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        養(yǎng)老保險(xiǎn)對(duì)土地流轉(zhuǎn)促進(jìn)作用的實(shí)證分析

        2014-09-21 16:06:29趙光李放
        關(guān)鍵詞:Logit模型養(yǎng)老保險(xiǎn)

        趙光 李放

        摘要 基于2011年中國(guó)健康與養(yǎng)老追蹤調(diào)查(CHARLS)中社區(qū)及微觀個(gè)體兩個(gè)維度的數(shù)據(jù),對(duì)養(yǎng)老保險(xiǎn)與農(nóng)村土地流轉(zhuǎn)之間的關(guān)系進(jìn)行了實(shí)證分析,研究結(jié)果表明,目前農(nóng)村地區(qū)的農(nóng)地流轉(zhuǎn)率普遍偏低,且仍有部分農(nóng)村地區(qū)未覆蓋任何養(yǎng)老保險(xiǎn)制度,而實(shí)施新農(nóng)?;蚶限r(nóng)保以及對(duì)65歲以上老人發(fā)放補(bǔ)助等養(yǎng)老保障政策措施的社區(qū)土地流轉(zhuǎn)比例較高,因此養(yǎng)老保險(xiǎn)等政策對(duì)社區(qū)土地流轉(zhuǎn)比例的提高具有積極的促進(jìn)作用。微觀個(gè)體數(shù)據(jù)表明農(nóng)村地區(qū)土地流轉(zhuǎn)行為并不活躍,發(fā)生了土地流出行為與土地流入行為的比重均在10%左右,但農(nóng)民是否領(lǐng)取到了養(yǎng)老金無(wú)論是在土地流出還是土地流入方面,都是有正向的促進(jìn)作用的。一方面,養(yǎng)老金的收入具有穩(wěn)定性,一定程度上滿(mǎn)足老年農(nóng)民必要的貨幣支出需要,對(duì)土地的養(yǎng)老保障功能具有替代作用,進(jìn)而促進(jìn)土地流轉(zhuǎn)供給的增加;另一方面,有養(yǎng)老金的土地轉(zhuǎn)入者家庭生存的擔(dān)憂(yōu)又得到有效緩解,又可以促進(jìn)其大規(guī)模轉(zhuǎn)入土地進(jìn)行開(kāi)發(fā),促進(jìn)了土地流轉(zhuǎn)的有效需求,因此從供給和需求兩個(gè)方面來(lái)看,養(yǎng)老保險(xiǎn)對(duì)農(nóng)村土地流轉(zhuǎn)市場(chǎng)的促進(jìn)都是十分有效的。農(nóng)民年齡也是影響土地流轉(zhuǎn)的重要因素,但對(duì)土地轉(zhuǎn)出或轉(zhuǎn)入的影響方向不盡相同。年齡較大的農(nóng)民一般缺乏技能,非農(nóng)就業(yè)就會(huì)較少,相對(duì)于青壯年可能不愿意土地流轉(zhuǎn),但對(duì)于那些年齡很大的農(nóng)民來(lái)說(shuō),受到勞動(dòng)能力的限制,可能愿意流出土地,而不會(huì)流入土地?cái)U(kuò)大土地經(jīng)營(yíng)規(guī)模。進(jìn)一步將社區(qū)變量和個(gè)人特征變量同時(shí)納入到分層模型內(nèi)分析可以發(fā)現(xiàn),社區(qū)是否對(duì)65歲以上老人發(fā)放補(bǔ)助對(duì)個(gè)體土地轉(zhuǎn)出、是否有養(yǎng)老金對(duì)個(gè)體土地轉(zhuǎn)入都具有正向的顯著作用,也表明本文模型分析結(jié)果是較為穩(wěn)健的?;谶@些結(jié)論,本研究的政策含義是很明顯的,即建立健全農(nóng)村養(yǎng)老保險(xiǎn)等社會(huì)保障制度體系是有效促進(jìn)農(nóng)村土地流轉(zhuǎn)的現(xiàn)實(shí)途徑。

        關(guān)鍵詞 養(yǎng)老保險(xiǎn);土地轉(zhuǎn)出行為;土地轉(zhuǎn)入行為;Logit模型

        中圖分類(lèi)號(hào) F32 文獻(xiàn)標(biāo)識(shí)碼 A 文章編號(hào) 1002-2104(2014)09-0118-11

        土地流轉(zhuǎn)是指土地使用權(quán)流轉(zhuǎn),其含義為擁有土地承包經(jīng)營(yíng)權(quán)的農(nóng)戶(hù)將土地經(jīng)營(yíng)權(quán)(使用權(quán))轉(zhuǎn)讓給其他農(nóng)戶(hù)或經(jīng)濟(jì)組織,即保留承包權(quán),轉(zhuǎn)讓使用權(quán)。大量的經(jīng)驗(yàn)表明,中國(guó)的土地使用權(quán)流轉(zhuǎn)在實(shí)現(xiàn)土地資源優(yōu)化配置、提高土地經(jīng)濟(jì)效率、維護(hù)集體和農(nóng)民利益、保護(hù)土地生產(chǎn)力等方面意義重大[1-2]。此外,從近幾年中央一號(hào)文件可以看出,政府的政策導(dǎo)向也為農(nóng)地流轉(zhuǎn)提供了制度基礎(chǔ)。然而一個(gè)基本的觀察是,中國(guó)農(nóng)地流轉(zhuǎn)的發(fā)生率嚴(yán)重滯后。據(jù)農(nóng)業(yè)部統(tǒng)計(jì)資料顯示,1999年,全國(guó)只有2.53%的耕地發(fā)生了流轉(zhuǎn),2006年為4.57%,2010年仍只有12%。理論上農(nóng)地流轉(zhuǎn)市場(chǎng)上的需求是大于供給的[3],只要農(nóng)戶(hù)愿意出租土地,總能找到租入土地的人[4],那么我國(guó)農(nóng)地承包經(jīng)營(yíng)權(quán)市場(chǎng)流轉(zhuǎn)發(fā)生率偏低的深層次原因到底是什么?相關(guān)研究指出,土地社會(huì)保障功能作用遠(yuǎn)遠(yuǎn)超出農(nóng)業(yè)本身[5],農(nóng)地對(duì)農(nóng)民所具有的就業(yè)、養(yǎng)老等基本生活保障的功能價(jià)值是其直接經(jīng)濟(jì)效用的4倍[6],反過(guò)來(lái)正是因?yàn)檗r(nóng)村社會(huì)保障制度的相對(duì)不健全又不足以替代土地在農(nóng)民養(yǎng)老、基本生活等方面的功能,進(jìn)而導(dǎo)致農(nóng)民參與土地流轉(zhuǎn)的積極性受到抑制[7]。

        我國(guó)農(nóng)村傳統(tǒng)養(yǎng)老保障的形式是家庭養(yǎng)老,家庭土地的保障作用更多的是因?yàn)槠渚哂叙B(yǎng)老功能,因此,土地具有獨(dú)特的養(yǎng)老保險(xiǎn)替代作用。那么不難理解,如果存在可以替代土地養(yǎng)老保障功能的機(jī)制,農(nóng)民對(duì)土地的依賴(lài)將大大減弱,土地流轉(zhuǎn)的障礙性因素也將得以消除。這樣的判斷也得到了一些實(shí)證研究的支持:首先宏觀層面,有學(xué)者通過(guò)對(duì)江蘇省農(nóng)村社會(huì)養(yǎng)老保險(xiǎn)參保率與土地流轉(zhuǎn)率之間相關(guān)性分析表明,農(nóng)村社會(huì)保障水平與土地流出率和土地流入率之間的相關(guān)系數(shù)達(dá)到了0.96和0.58[8]。農(nóng)戶(hù)層面,有學(xué)者對(duì)浙江省農(nóng)戶(hù)的問(wèn)卷調(diào)查顯示47.8%的農(nóng)戶(hù)認(rèn)為如果政府能夠?yàn)樗麄兲峁┻m當(dāng)?shù)酿B(yǎng)老保障,他們會(huì)愿意流轉(zhuǎn)并放棄承包地[9]。還有學(xué)者也指出,養(yǎng)老保障水平較高的農(nóng)民,更傾向于進(jìn)行土地流轉(zhuǎn)[10-11],且在目前的農(nóng)民收入水平上,有社會(huì)保障的人群比沒(méi)有社會(huì)保障的人群愿意流轉(zhuǎn)土地的概率要高很多,當(dāng)前建立農(nóng)村社會(huì)保障對(duì)農(nóng)戶(hù)土地流轉(zhuǎn)意愿的影響已接近了最優(yōu)水平[12]。

        本文的目的仍然是考察養(yǎng)老保險(xiǎn)對(duì)土地流轉(zhuǎn)的影響。但與以往研究不同的是,第一,本文的研究對(duì)象更側(cè)重于中老年群體,一方面,考慮到我國(guó)農(nóng)村人口、農(nóng)業(yè)人口老齡化已成為不爭(zhēng)的事實(shí),這類(lèi)群體相對(duì)于年輕農(nóng)民的養(yǎng)老問(wèn)題更為凸顯;另一方面,鼓勵(lì)農(nóng)業(yè)老齡人口進(jìn)行土地流轉(zhuǎn)、實(shí)現(xiàn)土地的相對(duì)集中有利于提高土地資源效率。因此,本文重點(diǎn)考察了中老年農(nóng)民的土地流轉(zhuǎn)行為以及養(yǎng)老保險(xiǎn)在其土地流轉(zhuǎn)行為是否發(fā)揮了促進(jìn)效用。第二,既從宏觀層面考察養(yǎng)老保障政策變量對(duì)社區(qū)土地流轉(zhuǎn)規(guī)模的影響,又運(yùn)用微觀農(nóng)民層面數(shù)據(jù)分析農(nóng)民是否有養(yǎng)老保險(xiǎn)在其土地流轉(zhuǎn)行為上是否也具有顯著差異,以此來(lái)較為準(zhǔn)確的驗(yàn)證養(yǎng)老保險(xiǎn)對(duì)土地流轉(zhuǎn)的促進(jìn)作用。

        1 分析框架與模型選擇

        農(nóng)戶(hù)是農(nóng)村土地流轉(zhuǎn)最重要的主體,而農(nóng)戶(hù)土地流轉(zhuǎn)的決策是多種因素共同作用的結(jié)果。但一個(gè)不爭(zhēng)的事實(shí)是,中國(guó)長(zhǎng)期實(shí)行的城鄉(xiāng)二元制度,導(dǎo)致農(nóng)村居民缺乏社會(huì)保障,土地為農(nóng)村居民提供養(yǎng)老保障的功能被極大強(qiáng)化。我國(guó)農(nóng)村社會(huì)養(yǎng)老保障的探索興起于20世紀(jì)90年代(老農(nóng)保),2009年9月《國(guó)務(wù)院關(guān)于開(kāi)展新型農(nóng)村社會(huì)養(yǎng)老保險(xiǎn)試點(diǎn)的指導(dǎo)意見(jiàn)》(國(guó)發(fā)[2009]32號(hào))發(fā)布,新農(nóng)保政策開(kāi)始試點(diǎn)并逐步在各地推廣實(shí)施。基于此,本文首先從社區(qū)層面考察養(yǎng)老政策的實(shí)施與農(nóng)地承包經(jīng)營(yíng)權(quán)市場(chǎng)流轉(zhuǎn)發(fā)生率之間的關(guān)系。

        模型設(shè)定方面,首先,社區(qū)土地流轉(zhuǎn)率以社區(qū)農(nóng)地被轉(zhuǎn)包或者出租的比重來(lái)反映。社區(qū)的土地流轉(zhuǎn)比例是一個(gè)連續(xù)性變量,本文運(yùn)用多元線(xiàn)性模型,應(yīng)用普通最小二乘法對(duì)回歸參數(shù)進(jìn)行估計(jì),模型具體形式為:

        自變量的選擇主要包括以下四個(gè)方面:①地權(quán)穩(wěn)定性。本研究選取社區(qū)最近5年內(nèi)是否進(jìn)行了農(nóng)地確權(quán)來(lái)標(biāo)識(shí)地權(quán)的穩(wěn)定性。經(jīng)驗(yàn)表明,我國(guó)農(nóng)地承包經(jīng)營(yíng)權(quán)的不完全性是現(xiàn)階段農(nóng)地市場(chǎng)發(fā)育緩慢的原因,不完全的農(nóng)地承包經(jīng)營(yíng)權(quán)最終減弱了農(nóng)戶(hù)的農(nóng)地需求和供給[13],因此地權(quán)穩(wěn)定性對(duì)土地流轉(zhuǎn)可能具有一定影響。②社會(huì)保障政策變量。主要選取是否實(shí)施新型農(nóng)村社會(huì)養(yǎng)老保險(xiǎn)(新農(nóng)保)或農(nóng)村社會(huì)養(yǎng)老保險(xiǎn)(老農(nóng)保)、是否對(duì)65歲以上老人發(fā)放補(bǔ)助、是否實(shí)行糧食直補(bǔ),良種補(bǔ)貼,農(nóng)機(jī)具購(gòu)置補(bǔ)貼和農(nóng)資綜合補(bǔ)貼等在內(nèi)的農(nóng)業(yè)補(bǔ)貼、是否實(shí)行失業(yè)補(bǔ)助。③人口文化與年齡結(jié)構(gòu)。本研究以社區(qū)的成年人中初中及以上人數(shù)所占比例來(lái)標(biāo)識(shí)文化程度的高低;相關(guān)研究表明農(nóng)業(yè)勞動(dòng)力老齡化與土地流轉(zhuǎn)存在著必然的關(guān)系[14],因此,此處以社區(qū)成年人中65歲以上人數(shù)所占比例來(lái)反映社區(qū)年齡結(jié)構(gòu)的影響。④非農(nóng)就業(yè)變量??紤]到國(guó)內(nèi)外的許多學(xué)者通過(guò)對(duì)中國(guó)農(nóng)村大量實(shí)證研究發(fā)現(xiàn)農(nóng)村的剩余勞動(dòng)力的轉(zhuǎn)移、非農(nóng)就業(yè)因素都對(duì)農(nóng)戶(hù)參與土地流轉(zhuǎn)有顯著的影響[15-16],本研究采用社區(qū)成年人中外出務(wù)工超過(guò)3個(gè)月人數(shù)所占比例、在本村從事非農(nóng)就業(yè)戶(hù)數(shù)比例即外出務(wù)工和本地非農(nóng)就業(yè)兩個(gè)指標(biāo)來(lái)反映。

        微觀農(nóng)民層面,農(nóng)民的農(nóng)地流轉(zhuǎn)決策選擇往往通過(guò)小農(nóng)理論行為進(jìn)行成本收益分析來(lái)判斷,然而事實(shí)上中國(guó)的農(nóng)民農(nóng)地流轉(zhuǎn)決策行為不僅受到農(nóng)戶(hù)經(jīng)濟(jì)利益最大化的影響,更受到農(nóng)民面臨的不確定性環(huán)境下心理因素的作用,因?yàn)檗r(nóng)民越來(lái)越難以對(duì)其未來(lái)有較穩(wěn)定的預(yù)期,社會(huì)心態(tài)具有高度的不確定性[17]。社會(huì)保障事業(yè)的發(fā)展可以有效地降低日常生活中相關(guān)不確定性已是不爭(zhēng)的事實(shí),具體到農(nóng)民土地流轉(zhuǎn)行為上,那些參保的農(nóng)民尤其是具有相對(duì)穩(wěn)定養(yǎng)老金的收入者,土地的養(yǎng)老保障功能在這類(lèi)群體心理中地位將大大降低,進(jìn)而其進(jìn)行土地轉(zhuǎn)出的障礙性因素得到一定程度的消除。同時(shí),那些有養(yǎng)老金的農(nóng)民未來(lái)家庭生存、養(yǎng)老等不確定風(fēng)險(xiǎn)又會(huì)得到有效緩解,可以促進(jìn)其敢于轉(zhuǎn)入土地進(jìn)行規(guī)模經(jīng)營(yíng),擴(kuò)大收入來(lái)源。由此可見(jiàn),養(yǎng)老保險(xiǎn)降對(duì)低農(nóng)民前景的不確定性進(jìn)而對(duì)農(nóng)地的轉(zhuǎn)出與轉(zhuǎn)入均可能會(huì)產(chǎn)生一定的促進(jìn)效應(yīng)。

        模型設(shè)定方面,首先將個(gè)體發(fā)生土地轉(zhuǎn)出賦值為1,未發(fā)生則賦值為0。由于模型因變量的取值范圍僅限于0或1,因此使用Logit計(jì)量模型。其基本形式為:

        對(duì)于自變量的選擇,土地轉(zhuǎn)出方面,首先選取個(gè)體過(guò)去一年收入中是否有養(yǎng)老金收入來(lái)考察養(yǎng)老保險(xiǎn)對(duì)農(nóng)民土地流出的影響(在CHARLS的調(diào)查數(shù)據(jù)中,這里的養(yǎng)老金收入主要包括政府和事業(yè)單位、企業(yè)基本養(yǎng)老金,企業(yè)補(bǔ)充養(yǎng)老金、農(nóng)村、城鄉(xiāng)、城鎮(zhèn)居民養(yǎng)老金、商業(yè)養(yǎng)老金、高齡老人養(yǎng)老補(bǔ)助等)。其次選取個(gè)體特征中的年齡、性別、受教育程度、婚姻狀況、健康狀況自評(píng)、家庭經(jīng)濟(jì)水平以及地區(qū)虛擬變量等,此外,考慮到年齡因素可能與其土地流轉(zhuǎn)行為呈現(xiàn)“U 型”關(guān)系,在研究中還加入了年齡平方項(xiàng),以期得到較準(zhǔn)確的系數(shù)值。個(gè)體土地轉(zhuǎn)入模型的設(shè)計(jì)方法以及自變量的選擇與土地流出模型類(lèi)似。

        考慮到社區(qū)層面相關(guān)變量,尤其是社區(qū)相應(yīng)政策會(huì)影響個(gè)人決策,本文期望將該層次的變量與個(gè)人層面變量一起納入到模型內(nèi),但如果直接簡(jiǎn)單的將各變量帶入回歸模型,不考慮調(diào)查數(shù)據(jù)的層次結(jié)構(gòu),得出的結(jié)果在通常情況下是有偏的,而分層模型(multilevel model)可以解決這一問(wèn)題。將樣本分為兩層:社區(qū)和個(gè)體,因變量仍是農(nóng)民是否流轉(zhuǎn)土地這一個(gè)二分變量。

        首先采用無(wú)條件平均模型來(lái)分析分層數(shù)據(jù)中的各個(gè)層次是否對(duì)因變量具有顯著的影響。無(wú)條件平均模型也稱(chēng)空模型,即不含任何自變量的回歸分析。模型合并兩個(gè)連接:微觀層次的個(gè)體和宏觀層次的社區(qū)。雖然是沒(méi)有任何自變量的“空模型”,模型分析結(jié)果依然傳遞大量信息,而且可以作為診斷模型,決定是否必須將隨機(jī)參數(shù)包括在模型中[18]。仍然以個(gè)體農(nóng)地轉(zhuǎn)出為例,其方程式為:

        2 數(shù)據(jù)說(shuō)明

        2.1 數(shù)據(jù)來(lái)源

        本文使用的數(shù)據(jù)來(lái)源于中國(guó)健康與養(yǎng)老追蹤調(diào)查(CHARLS)數(shù)據(jù)庫(kù),該調(diào)查由北京大學(xué)國(guó)家發(fā)展研究院實(shí)施。本文使用的是數(shù)據(jù)庫(kù)中2011年的全國(guó)基線(xiàn)調(diào)查數(shù)據(jù),包括了450個(gè)村/社區(qū)、1萬(wàn)余戶(hù)家庭以及1萬(wàn)7千余個(gè)體數(shù)據(jù)

        (http://charls.ccer.edu.cn/zh-CN.)

        。為了便于研究,在社區(qū)數(shù)據(jù)中,本文選取2010年年底社區(qū)中有耕地的樣本,共獲得298個(gè)社區(qū)樣本。微觀數(shù)據(jù)方面,本研究主要考察的是農(nóng)地流轉(zhuǎn)情況,因此剔除數(shù)據(jù)中個(gè)人家中未從集體分配耕地的樣本,共得到11 866個(gè)個(gè)體數(shù)據(jù),本文主要以這1萬(wàn)多個(gè)數(shù)據(jù)作為分析樣本,所選取的調(diào)查對(duì)象中80%以上為農(nóng)村地區(qū)的人群。

        2.2 數(shù)據(jù)描述

        社區(qū)層面。土地權(quán)益方面,最近5年內(nèi)進(jìn)行了農(nóng)地確權(quán)的僅有31.1%,有68.9%的地區(qū)沒(méi)有任何形式的確權(quán),目前仍沒(méi)有領(lǐng)到土地承包經(jīng)營(yíng)權(quán)證的村占23.3%。樣本中約有一半的村農(nóng)地被轉(zhuǎn)包或者出租的比例在10%以下,樣本地區(qū)的農(nóng)地流轉(zhuǎn)率偏低。社會(huì)保障方面,調(diào)查中46.1%的樣本地區(qū)實(shí)行了新農(nóng)保政策,仍然有超過(guò)一半的地區(qū)還沒(méi)有實(shí)施該政策,另外有16.7%的地區(qū)實(shí)施了農(nóng)村社會(huì)養(yǎng)老保險(xiǎn)(老農(nóng)保)??傮w來(lái)說(shuō),有約一半的樣本地區(qū)沒(méi)有實(shí)施任何養(yǎng)老保險(xiǎn)政策。此外,養(yǎng)老方面,有23.6%的村給65歲以上老人發(fā)放養(yǎng)老補(bǔ)助(見(jiàn)表1)。

        個(gè)體層面。養(yǎng)老保險(xiǎn)情況,本文使用的絕大部分樣本數(shù)據(jù)來(lái)自與農(nóng)村地區(qū),包括了全國(guó)28個(gè)?。ㄖ陛犑校瑥男罗r(nóng)保分地區(qū)參保情況來(lái)看(見(jiàn)表2),這一比例僅占27%,其中西部地區(qū)的參保率最低,為18.7%,中部地區(qū)最高,比例為36.3%。參加商業(yè)保險(xiǎn)、城鄉(xiāng)養(yǎng)老保險(xiǎn)等的比例東部地區(qū)最高,為9.1%,西部地區(qū)僅為4%。去年領(lǐng)取過(guò)各種形式養(yǎng)老保險(xiǎn)金的比例總體來(lái)說(shuō)較低,僅占總體調(diào)查對(duì)象的12.7%。農(nóng)地流轉(zhuǎn)情況。分地區(qū)看,農(nóng)地流出方面,西部、中部和東部地區(qū)發(fā)生農(nóng)地流出行為的個(gè)體占各地區(qū)總?cè)藬?shù)比例從低到高,分別為10.4%、11.7%和12.3%。農(nóng)地流入方面,也是西部地區(qū)最低,發(fā)生農(nóng)地流入行為的占10.7%,中部和西部地區(qū)這一比例分別為13.2%和11.0%??傮w來(lái)說(shuō),我國(guó)農(nóng)地流轉(zhuǎn)行為并不活躍,土地流轉(zhuǎn)市場(chǎng)發(fā)展滯緩,全部樣本中發(fā)生了農(nóng)地流轉(zhuǎn)行為的僅占22.9%。3 實(shí)證分析結(jié)果

        3.1 社區(qū)農(nóng)地流轉(zhuǎn)比例的影響因素分析

        首先運(yùn)用STATA11.0統(tǒng)計(jì)軟件對(duì)298個(gè)社區(qū)樣本的相關(guān)數(shù)據(jù)進(jìn)行多元線(xiàn)性回歸處理。從表3的回歸結(jié)果可

        以看出,F(xiàn) 檢驗(yàn)值在1%水平上顯著,說(shuō)明模型的整體線(xiàn)性關(guān)系是顯著的。

        在影響土地流轉(zhuǎn)的因素中,相關(guān)的研究指出,“確權(quán)”是土地流轉(zhuǎn)的前提與基礎(chǔ),集體土地制度產(chǎn)權(quán)的模糊以及農(nóng)民與集體、集體與政府行為邊界的不清晰對(duì)土地流轉(zhuǎn)產(chǎn)生嚴(yán)重的負(fù)面影響,但從表5的結(jié)果看,農(nóng)地是否確權(quán)并未通過(guò)顯著性檢驗(yàn),但其回歸系數(shù)符號(hào)為正,說(shuō)明是否確

        權(quán)是和土地流轉(zhuǎn)呈正相關(guān)的關(guān)系。

        社區(qū)是否實(shí)施了新農(nóng)?;蚶限r(nóng)保影響的在10%的水平上顯著,對(duì)社區(qū)的土地流轉(zhuǎn)比例具有正向作用。在農(nóng)村養(yǎng)老保障缺失的情況下,土地保障作用尤其重要,而農(nóng)村社會(huì)養(yǎng)老保險(xiǎn)制度的實(shí)施使得部分農(nóng)民能夠享有社會(huì)保 障權(quán),那么一定程度上使土地承擔(dān)的養(yǎng)老保障功能減弱,勢(shì)必會(huì)加快農(nóng)村土地流轉(zhuǎn)。這一點(diǎn)在是否對(duì)65歲以上老人發(fā)放補(bǔ)助變量上體現(xiàn)的更為明顯,該變量在1%的水平上顯著,是重要的影響因素。對(duì)于農(nóng)村老人而言,土地的養(yǎng)老保障功能體現(xiàn)在如果自己有耕種能力,則可通過(guò)耕種土地?fù)Q取收益作為養(yǎng)老收入;如果因年老、疾病而喪失勞動(dòng)能力,則可以依靠自己年輕時(shí)耕作收入的積蓄,為養(yǎng)老提供一定的經(jīng)濟(jì)基礎(chǔ),由此來(lái)保障自己的養(yǎng)老資金[19],正因如此,老人補(bǔ)助政策的實(shí)施對(duì)土地的養(yǎng)老功能具有一定的替代作用,相應(yīng)老年農(nóng)民群體更愿意進(jìn)行土地流轉(zhuǎn)。

        是否實(shí)行農(nóng)業(yè)補(bǔ)貼這一變量的顯著水平達(dá)到了0.000,且其回歸系數(shù)符號(hào)為負(fù),說(shuō)明農(nóng)業(yè)補(bǔ)貼政策的實(shí)施會(huì)極大降低社區(qū)土地流轉(zhuǎn)行為的發(fā)生,這也反應(yīng)出當(dāng)前農(nóng)村政策目標(biāo)出現(xiàn)沖突,主要表現(xiàn)為扶農(nóng)政策與農(nóng)地流轉(zhuǎn)政策的矛盾。類(lèi)似的研究得出這樣的結(jié)論,因此,化解扶農(nóng)政策與農(nóng)地流轉(zhuǎn)政策的目標(biāo)沖突需要慎重[20]。

        非農(nóng)就業(yè)方面,是否實(shí)行失業(yè)補(bǔ)助這一變量在1%的水平上顯著,對(duì)社區(qū)的土地流轉(zhuǎn)比例具有積極的正向作用。這可能的原因是,實(shí)行失業(yè)補(bǔ)助的社區(qū)會(huì)極大地促進(jìn)勞動(dòng)力就業(yè),農(nóng)民的非農(nóng)就業(yè)意愿更強(qiáng)烈,因此對(duì)土地生產(chǎn)經(jīng)營(yíng)活動(dòng)依賴(lài)性降低,相應(yīng)社區(qū)的土地流轉(zhuǎn)的比例更高。非農(nóng)就業(yè)的另外兩個(gè)變量,成年人中外出務(wù)工超過(guò)3個(gè)月人數(shù)比例和本村從事非農(nóng)就業(yè)戶(hù)數(shù)比例并未通過(guò)顯著性檢驗(yàn)。有研究也指出當(dāng)非農(nóng)就業(yè)機(jī)會(huì)出現(xiàn)后,農(nóng)戶(hù)是否流轉(zhuǎn)土地家庭勞動(dòng)者的勞動(dòng)能力、農(nóng)業(yè)與非農(nóng)業(yè)的綜合比較利益等,結(jié)果可能是盡管存在家庭成員的非農(nóng)就業(yè),

        但并不發(fā)生土地流轉(zhuǎn)[21]。因此,要推斷勞動(dòng)力非農(nóng)就業(yè)促進(jìn)土地流轉(zhuǎn)可能更多的要考慮到外部就業(yè)環(huán)境和農(nóng)業(yè)經(jīng)營(yíng)環(huán)境。

        3.2 個(gè)體土地流轉(zhuǎn)行為的影響因素分析

        3.2.1 養(yǎng)老金對(duì)個(gè)體土地轉(zhuǎn)出行為的影響

        從個(gè)體農(nóng)地流出模型1的結(jié)果看,個(gè)人是否有養(yǎng)老金與其土地流出行為呈現(xiàn)正相關(guān)關(guān)系,并在10%的水平上通過(guò)顯著性檢驗(yàn)。說(shuō)明養(yǎng)老保險(xiǎn)對(duì)土地保障功能的替代使得農(nóng)民對(duì)土地的依賴(lài)得到降低,因此,領(lǐng)取養(yǎng)老金的群體其土地流出意愿更強(qiáng)烈。年齡因素也在10%的水平上通過(guò)顯著性檢驗(yàn),與土地流出行為正相關(guān),即年齡越大者土地流出的概率越大。這與一些學(xué)者的研究正好相反,有研究通過(guò)對(duì)全國(guó)15省的調(diào)查,認(rèn)為戶(hù)主年齡可以代表一個(gè)家庭從事農(nóng)業(yè)活動(dòng)的經(jīng)驗(yàn),年齡越大,其從事農(nóng)業(yè)活動(dòng)的經(jīng)驗(yàn)越豐富,越善于經(jīng)營(yíng)土地,年齡大的戶(hù)主,其從事非農(nóng)活動(dòng)的可能性也較小,對(duì)土地的依賴(lài)性較強(qiáng),土地租出率較小[22]。研究結(jié)論不一致的原因可能是本文的研究對(duì)象年齡普遍偏大,以中老年為主,因此隨著個(gè)體年齡增大,從事農(nóng)業(yè)生產(chǎn)體力不足,土地產(chǎn)出率較低,更傾向于轉(zhuǎn)出土地。地區(qū)虛擬變量中,相對(duì)于參照組西部地區(qū)的群體,東部地區(qū)的農(nóng)民發(fā)生土地轉(zhuǎn)出的概率更高,這符合我國(guó)的國(guó)情,農(nóng)業(yè)部的統(tǒng)計(jì)也顯示國(guó)內(nèi)以各種形式流動(dòng)耕地使用權(quán)行為多數(shù)發(fā)生在東部沿海發(fā)達(dá)省份,市場(chǎng)化水平較高的沿海地區(qū)高于市場(chǎng)化水平較低的內(nèi)陸地區(qū)。

        從個(gè)體農(nóng)地流出模型2的結(jié)果看,當(dāng)加入其它個(gè)人特征變量后,是否有養(yǎng)老金變量對(duì)土地流出行為的影響關(guān)系依然存在,并在5%水平上顯著。另外,個(gè)人年齡因素和地區(qū)分組為東部地區(qū)這兩個(gè)變量也均通過(guò)了顯著性檢驗(yàn)。在加入的個(gè)人特征變量中,性別為男性的個(gè)體更不傾向于土地流出,即男性更傾向于保留土地。在個(gè)人受教育程度的分組變量中,相對(duì)于參照組文化水平是小學(xué)及以下的群體,文化水平為初中、高中/中專(zhuān)和中專(zhuān)及以上這三組變量均達(dá)到了非常顯著和比較顯著的水平,與土地流出行為顯著正相關(guān),這表明文化水平較高的農(nóng)民對(duì)土地的依賴(lài)性越低,越傾向于轉(zhuǎn)出土地。個(gè)人婚姻狀況,相對(duì)于與配偶同居的老人而言,婚姻狀況為未與配偶同居和喪偶的老人發(fā)生土地流出行為的概率更高,且在1%水平上通過(guò)顯著性檢驗(yàn)。這可能的原因是未與配偶同居和喪偶的老人由于受到家庭勞動(dòng)力的限制,使得農(nóng)業(yè)生產(chǎn)經(jīng)營(yíng)活動(dòng)受到影響,尤其是獨(dú)居的老人,可能更愿意流轉(zhuǎn)土地獲得一定的租金保證其生活來(lái)源。個(gè)人的健康狀況并未通過(guò)顯著性檢驗(yàn),對(duì)其土地流出行為沒(méi)有顯著性差異。

        模型3是在模型2的基礎(chǔ)上加入了家庭特征中的家庭經(jīng)濟(jì)水平分組變量。從模型3可以看出,在模型2中通過(guò)顯著性檢驗(yàn)的變量如是否有養(yǎng)老金、年齡、受教育程度等與土地轉(zhuǎn)出行為的影響關(guān)系依然通過(guò)了顯著性檢驗(yàn)。在新加入的家庭收入水平分組變量中,家庭經(jīng)濟(jì)水平在一般以上者相對(duì)于參照組(家庭經(jīng)濟(jì)水平為一般以下)土地轉(zhuǎn)出的概率更高。這主要原因是一方面,高收入家庭本身對(duì)土地的依賴(lài)性較弱,另一方面,高收入家庭中的的中非農(nóng)收入占了相當(dāng)一部分比例,農(nóng)民更傾向與獲得更高的非農(nóng)收入放棄傳統(tǒng)土地收入。

        模型4在模型3的基礎(chǔ)上繼續(xù)加入了年齡的平方項(xiàng),細(xì)化年齡因素對(duì)土地流出行為的影響。年齡與土地流轉(zhuǎn)

        意愿之間可能呈現(xiàn)出非線(xiàn)性的關(guān)系:在青壯年農(nóng)民中,可能愿意土地流轉(zhuǎn)的比例較大,該年齡段的農(nóng)民比較容易在城市中找到工作,實(shí)現(xiàn)穩(wěn)定的向城市移民,因而可能有較強(qiáng)的土地流轉(zhuǎn)可能性;在年齡較大的農(nóng)民中,可能不愿意

        土地流轉(zhuǎn)的比例較大,這是由于年齡較大的農(nóng)民一般缺乏技能,靠體力在城市中打工謀生,在城市中找到工作的概率較小,因而在這部分人中大部分人可能不愿意土地流轉(zhuǎn);對(duì)于那些年齡很大的農(nóng)民來(lái)說(shuō),基本喪失了勞動(dòng)能力,如果土地流轉(zhuǎn)獲得的資金能夠維持其余生的話(huà),他們有可能愿意流出土地。模型4的結(jié)果也顯示,年齡平方項(xiàng)在5%的水置信水平上顯著,系數(shù)為正,即與土地流出行為呈現(xiàn)“U 型”的關(guān)系。

        3.2.2 養(yǎng)老金對(duì)個(gè)體土地轉(zhuǎn)入行為的影響

        對(duì)于個(gè)體農(nóng)地轉(zhuǎn)入的研究,繼續(xù)運(yùn)用農(nóng)地轉(zhuǎn)出模型的研究方法進(jìn)行逐步回歸,個(gè)體農(nóng)地轉(zhuǎn)入的四組模型估計(jì)結(jié)果見(jiàn)表5。

        在模型5中,仍然只加入是否有養(yǎng)老金、年齡以及地區(qū)分組變量,考察其對(duì)個(gè)體農(nóng)地轉(zhuǎn)入的影響。從模型5結(jié)果看,首先,個(gè)體是否有養(yǎng)老金在5%的水平上通過(guò)顯著性檢驗(yàn),且回歸系數(shù)符號(hào)仍為正,與土地流入行為正相關(guān)??梢园l(fā)現(xiàn),個(gè)體是否有養(yǎng)老金無(wú)論是在農(nóng)地轉(zhuǎn)出還是農(nóng)地轉(zhuǎn)入方面,都是有正向的促進(jìn)作用。關(guān)于個(gè)體是否有養(yǎng)老金對(duì)農(nóng)地流入影響可能的原因,相關(guān)的研究也認(rèn)為,如果有健全的農(nóng)村社會(huì)保障制度作基礎(chǔ),使得土地流轉(zhuǎn)供給穩(wěn)定、充足,土地轉(zhuǎn)入者可以進(jìn)行規(guī)模經(jīng)營(yíng),另一方面,有社會(huì)保障作后盾,土地轉(zhuǎn)入者家庭生存保障得以解決,又可促進(jìn)其大規(guī)模轉(zhuǎn)入土地進(jìn)行開(kāi)發(fā),形成土地流轉(zhuǎn)的有效需求[23]。年齡因素在1%的水平上通過(guò)顯著性檢驗(yàn),與土地流入行為顯著負(fù)相關(guān),即年齡越大者越不傾向于流入土地。這主要是因?yàn)槟挲g大的戶(hù)主勞動(dòng)能力不足,且逐漸喪失從事非農(nóng)工作的年齡優(yōu)勢(shì),年齡的增長(zhǎng)伴隨著農(nóng)業(yè)生產(chǎn)能力下降,更傾向縮小農(nóng)業(yè)生產(chǎn)規(guī)模。地區(qū)虛擬變量中,相對(duì)于參照組西部地區(qū)的個(gè)體,中部地區(qū)的農(nóng)民流入土地的概率更高。

        在模型5的基礎(chǔ)上加入其它個(gè)人特征,得到模型6。從模型6的結(jié)果可以看出,是否有養(yǎng)老金、年齡兩個(gè)變量依然通過(guò)顯著性檢驗(yàn),且回歸系數(shù)符號(hào)和模型5一致,分別與土地流如行為正相關(guān)和負(fù)相關(guān)。個(gè)體受教育程度方面,相對(duì)于參照組文化程度為小學(xué)及以下者,受教育程度為初中、高中/中專(zhuān)、中專(zhuān)及以上三個(gè)分組變量均達(dá)到了非常顯著的水平,回歸系數(shù)符號(hào)為負(fù),即文化程度較高者相對(duì)于文化程度較低者轉(zhuǎn)入土地的概率更低。農(nóng)民受教育年限越高,其勞動(dòng)力機(jī)會(huì)成本越高,外出打工從事非農(nóng)活動(dòng)的機(jī)會(huì)也越多,因此,更有可能放棄傳統(tǒng)土地經(jīng)營(yíng),并減少農(nóng)地的轉(zhuǎn)入?;橐鰻顩r方面,與個(gè)體土地流出模型正好相反,相對(duì)于和配偶同居者,未與配偶同居、喪偶者發(fā)生土地轉(zhuǎn)入的概率更低,由于受到家庭勞動(dòng)力的限制使得這類(lèi)人群可能更愿意轉(zhuǎn)出土地而不是轉(zhuǎn)入土地。個(gè)人健康狀況分組變量中,健康狀況自評(píng)為非常好這一變量在5%的水平上通過(guò)顯著性檢驗(yàn),即相對(duì)于健康狀況較差者,健康狀況較好者轉(zhuǎn)入土地的概率更高。

        3.2.3 個(gè)體土地流轉(zhuǎn)影響因素的分層模型進(jìn)一步分析

        農(nóng)民土地流轉(zhuǎn)至少受到兩個(gè)層面的影響:個(gè)人層面和社區(qū)層面。在此運(yùn)用前文所述方法,一方面加入個(gè)人層面的個(gè)人特征變量,另一方面,加入社區(qū)層面的社區(qū)是否農(nóng)地確權(quán)、是否實(shí)施新農(nóng)?;蚶限r(nóng)保、是否對(duì)65歲以上老人發(fā)放補(bǔ)助、是否實(shí)行農(nóng)業(yè)補(bǔ)貼、是否實(shí)行失業(yè)補(bǔ)助等政策變量。采用分層模型對(duì)模型進(jìn)一步估計(jì)。

        土地轉(zhuǎn)入模型方面,無(wú)條件平均模型中群間變異系數(shù)(1.153)也遠(yuǎn)大于其標(biāo)準(zhǔn)誤(0.077),說(shuō)明個(gè)體土地流入與否仍一定程度上是與其所在社區(qū)特征有關(guān)。從土地流入隨機(jī)截距模型結(jié)果看,個(gè)人層面中的變量與前文模型8也基本一致。是否有養(yǎng)老金仍然對(duì)個(gè)體土地轉(zhuǎn)入行為具有比較顯著的影響,對(duì)農(nóng)民土地轉(zhuǎn)入具有積極的促進(jìn)作用。但社區(qū)層面的幾個(gè)政策變量并未通過(guò)檢驗(yàn),對(duì)個(gè)體土地流入行為并無(wú)顯著性影響。

        4 簡(jiǎn)要結(jié)論及政策含義

        本文基于中國(guó)健康與養(yǎng)老追蹤調(diào)查中社區(qū)及農(nóng)民兩個(gè)維度的數(shù)據(jù),實(shí)證分析了養(yǎng)老保險(xiǎn)與農(nóng)村土地流轉(zhuǎn)之間的關(guān)系,主要得出這樣幾點(diǎn)結(jié)論:①目前農(nóng)村地區(qū)的農(nóng)地流轉(zhuǎn)率普遍偏低,且仍有部分農(nóng)村地區(qū)未覆蓋任何養(yǎng)老保險(xiǎn)制度,而實(shí)施新農(nóng)保或老農(nóng)保以及對(duì)65歲以上老人發(fā)放補(bǔ)助等養(yǎng)老保障政策措施的社區(qū)土地流轉(zhuǎn)比例較高,因此養(yǎng)老保險(xiǎn)等政策對(duì)社區(qū)土地流轉(zhuǎn)比例的提高具有積極的促進(jìn)作用。②微觀個(gè)體數(shù)據(jù)表明農(nóng)村地區(qū)土地流轉(zhuǎn)行為并不活躍,發(fā)生了土地流出行為與土地流入行為的比重均在10%左右,但農(nóng)民是否領(lǐng)取到了養(yǎng)老金無(wú)論是在土地流出還是土地流入方面,都是有正向的促進(jìn)作用的。一方面,養(yǎng)老金的收入具有穩(wěn)定性,一定程度上滿(mǎn)足老年農(nóng)民必要的貨幣支出需要,對(duì)土地的養(yǎng)老保障功能具有替代作用,進(jìn)而促進(jìn)土地流轉(zhuǎn)供給的增加;另一方面,有養(yǎng)老金的土地轉(zhuǎn)入者家庭生存的擔(dān)憂(yōu)又得到有效緩解,又可以促進(jìn)其大規(guī)模轉(zhuǎn)入土地進(jìn)行開(kāi)發(fā),促進(jìn)了土地流轉(zhuǎn)的有效需求,因此從供給和需求兩個(gè)方面來(lái)看,養(yǎng)老保險(xiǎn)對(duì)農(nóng)村土地流轉(zhuǎn)市場(chǎng)的促進(jìn)都是十分有效的。③農(nóng)民年齡也是影響土地流轉(zhuǎn)的重要因素,但對(duì)土地轉(zhuǎn)出或轉(zhuǎn)入的影響方向不盡相同。年齡較大的農(nóng)民一般缺乏技能,非農(nóng)就業(yè)就會(huì)較少,相對(duì)于青壯年可能不愿意土地流轉(zhuǎn),但對(duì)于那些年齡很大的農(nóng)民來(lái)說(shuō),受到勞動(dòng)能力的限制,可能愿意流出土地,而不會(huì)流入土地?cái)U(kuò)大土地經(jīng)營(yíng)規(guī)模。④進(jìn)一步將社區(qū)變量和個(gè)人特征變量同時(shí)納入到分層模型內(nèi)分析可以發(fā)現(xiàn),社區(qū)是否對(duì)65歲以上老人發(fā)放補(bǔ)助對(duì)個(gè)體土地轉(zhuǎn)出、是否有養(yǎng)老金對(duì)個(gè)體土地轉(zhuǎn)入都具有正向的顯著作用,也表明本文模型分析結(jié)果是較為穩(wěn)健的。

        基于以上結(jié)論,本研究的政策含義是很明顯的:建立健全農(nóng)村養(yǎng)老保險(xiǎn)等社會(huì)保障制度體系是有效促進(jìn)農(nóng)村土地流轉(zhuǎn)的現(xiàn)實(shí)途徑。目前中國(guó)農(nóng)村土地流轉(zhuǎn)面臨著很大的制約和困難,最主要的就是農(nóng)村土地的社保功能和土地的生產(chǎn)功能難以相剝離。因此現(xiàn)階段的任務(wù)是要逐步完善新型農(nóng)村養(yǎng)老保險(xiǎn)制度,促進(jìn)農(nóng)村養(yǎng)老保障制度的健全,并逐步提高農(nóng)村養(yǎng)老保險(xiǎn)的待遇水平,以此弱化土地的養(yǎng)老保障功能,減少農(nóng)民流轉(zhuǎn)土地的后顧之憂(yōu),為土地向單純的生產(chǎn)資料過(guò)渡創(chuàng)造條件。

        (編輯:于 杰)

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        [1]Van Dijk T. Scenarios of Central European Land Fragmentation [J]. Land Use Policy, 2003,2: 149-158.

        [2]曹建華,王紅英,黃小梅.農(nóng)村土地流轉(zhuǎn)的供求意愿及其流轉(zhuǎn)效率的評(píng)價(jià)研究[J].中國(guó)土地科學(xué).2007,(5):55-60. [Cao Jian hua, Wang Hongying,Huang Xiaomei. Study on Supply and Demand Willingness of Rural Land Transaction and Evaluation of Transaction Efficiency [J]. China Land Sciences.2007,(5):55-60.]

        [3]錢(qián)忠好.農(nóng)地承包經(jīng)營(yíng)權(quán)市場(chǎng)流轉(zhuǎn):理論與實(shí)證分析:基于農(nóng)戶(hù)層面的經(jīng)濟(jì)分析[J].經(jīng)濟(jì)研究,2003,(2):83-90. [Qian Zhonghao. The Market Liquidity of Contracting and Operating Right to Rural Land:A Theoretical and Empirical Study[J]. Economic Research,2003,(2):83-90.]

        [4]姚洋.土地、制度和農(nóng)業(yè)發(fā)展 [M]-北京大學(xué)出版社,2004.[Yao Yang. Land, System and Agricultural Delevopment[M]-The Peking University Publishing House. 2004.]

        [5]姚洋.中國(guó)農(nóng)地制度:一個(gè)分析框架[J].中國(guó)社會(huì)科學(xué),2000,(2):54-62. [Yao Yang. The System of Farmland in China: An Analytical Framework[J]. Social Sciences in China,2000,(2):54-62. ]

        [6]王克強(qiáng).土地對(duì)農(nóng)民基本生活保障效用的實(shí)證研究——以江蘇省為例[J].四川大學(xué)學(xué)報(bào):哲學(xué)社會(huì)科學(xué)版,2005,(3):5-11.[Wang Keqiang. An Empirical Study of Subsistence Effectiveness of Rural Collective Land on Peasants in Jiangsu Province, China[J]. Journal of Sichuan University:Social Science Edition,2005,(3):5-11.]

        [7]黃祖輝,王朋.基于我國(guó)農(nóng)村土地制度創(chuàng)新視角的社會(huì)保障問(wèn)題探析[J].浙江社會(huì)科學(xué),2009,(2):39-42.[Huang Zuhui, Wang Peng. Social Security Problems Analysis: Based on the Perspective of Farmland System Innovation in Rural China[J]. Zhe Jiang Social Sciences,2009,(2):39-42.]

        [8]包宗順,徐志明,高珊,等.農(nóng)村土地流轉(zhuǎn)的區(qū)域差異與影響因素——以江蘇省為例[J].中國(guó)農(nóng)村經(jīng)濟(jì),2009,(4):23-29.[Bao Zongshun, Xu Zhiming, Gao Shan, et al. Regional Difference and Influence Factors of Rural Land Circulation: Taking Jiang Su as an Example[J]. Chinese Rural Economy,2009,(4):23-29.]

        [9]黃祖輝,王朋.農(nóng)村土地流轉(zhuǎn)現(xiàn)狀、問(wèn)題及對(duì)策:兼論土地流轉(zhuǎn)對(duì)現(xiàn)代農(nóng)業(yè)發(fā)展的影響[J].浙江大學(xué)學(xué)報(bào):人文社會(huì)科學(xué)版,2008,(2):45-46.[Huang Zuhui, Wang Peng. Farmland Transfer and Its Impacts on the Development of Modern Agriculture: Status, Problems and Solutions[J].Journal of Zhejiang University:Humanities and Social Sciences,2008,(2):45-46.]

        [10]許恒周,郭忠興,郭玉燕.農(nóng)民職業(yè)分化、養(yǎng)老保障與農(nóng)村土地流轉(zhuǎn):基于南京市 372 份農(nóng)戶(hù)問(wèn)卷調(diào)查的實(shí)證研究[J]. 農(nóng)業(yè)技術(shù)經(jīng)濟(jì),2011,(1):84-85.[Xu Hengzhou, Guo Zhongxin, Guo Yuyan. Empirical Research on Farmers Occupational Differentiation, Oldage Security and Land Transfer: Based on 372 Farmers in Nanjing City[J]. Journal of Agro Technical Economics,2011,(1):84-85.]

        [11]趙光,李放.非農(nóng)就業(yè)、社會(huì)保障與農(nóng)戶(hù)土地轉(zhuǎn)出:基于30鎮(zhèn)49村476個(gè)農(nóng)民的實(shí)證分析[J].中國(guó)人口·資源與環(huán)境.2012,(10):102-108. [Zhao Guang LI Fang. Nonagricultural Employment,Social Security and Farmers Land Transfer:An Empirical Analysis Based on 476 Farmers in 30 Towns and 49 Villages[J].China Population Resources and Environment.2012,(10):102-108.]

        [12]何國(guó)俊,徐沖.城郊農(nóng)戶(hù)土地流轉(zhuǎn)意愿分析:基于北京郊區(qū) 6 村的實(shí)證研究[J].經(jīng)濟(jì)科學(xué),2007, (5):111-122 .[He Guojun, Xu Chong. Analysis of Suburban Farmers Land Transfer Willingness: Empirical Research Based on the Outskirts of Beijing 6 Village[J].Economic Science,2007, (5):111-122 .]

        [13]錢(qián)忠好.農(nóng)村土地承包經(jīng)營(yíng)權(quán)產(chǎn)權(quán)殘缺與市場(chǎng)流轉(zhuǎn)困境:理論與政策分析[J].管理世界,2002, (6):35-44.[Qian Zhonghao. The Incompleteness of Contracting and Operating Right to Rural Land, and the Dilemma of Market Liquidity: An Analysis of the Theory and Policy[J].Management World,2002, (6):35-44.]

        [14]JK Kung. Offfarm Labor Markets and the Emergence of Land Rental Markets in Rural China [J]. Joural of Comparative Economic,2002,30:395-414.

        [15]Yao Y. The Development of Land Lease Market in Rural China[J]. Land Economics, 2002, 76(2): 252-266.

        [16]Brandt L, Huang J K, Li G,et al. Land Rights in China: Facts, Fictions and Less Use[J]. China Journal, 2002,47: 67-97.

        [17]陸益龍.流動(dòng)的村莊:鄉(xiāng)土社會(huì)的雙二元格局與不確定性:皖東T村的社會(huì)形態(tài)[J].中國(guó)農(nóng)業(yè)大學(xué)學(xué)報(bào):社會(huì)科學(xué)版, 2008,(3):146-153.[Lu Yilong. A Village in Migrating: Double Duality and Indefiniteness of Rural Society:Social Condition of T Village in East Anhui Province[J].China Agricultural University Journal: Social Sciences Edition , 2008,(3):146-153.]

        [18]楊菊華.多層模型在社會(huì)科學(xué)領(lǐng)域的應(yīng)用[J].中國(guó)人口科學(xué),2006,(3):44-51.[Yang Juhua. Application of Multilevel Modeling Techniques in Social Science Research[J]. China Population Sciences,2006,(3):44-51.]

        [19]李放,趙光.現(xiàn)階段農(nóng)村養(yǎng)老保險(xiǎn)制度能有效提高農(nóng)民土地流轉(zhuǎn)意愿嗎?——來(lái)自江蘇沭陽(yáng)縣30鎮(zhèn)49村的初步證據(jù)[J].南京農(nóng)業(yè)大學(xué)學(xué)報(bào):社會(huì)科學(xué)版,2012,(4):44-49.[Li Fang, ZhaoGuang. Can Rural Oldage Insurance System Effectively Improve the Famers Land Circulating Intention at the Present Age?:Preliminary Evidence from 30 Towns 49 Villages in Shuyang Jiangsu[J].Journal of Nanjing Agricultural University:Social Sciences Edition,2012,(4):44-49.]

        [20]羅必良,何應(yīng)龍,汪沙,等.土地承包經(jīng)營(yíng)權(quán):農(nóng)戶(hù)退出意愿及其影響因素分析——基于廣東省的農(nóng)戶(hù)問(wèn)卷[J].中國(guó)農(nóng)村經(jīng)濟(jì),2012,(6):4-19.[Luo Biliang, He Yinlong, Wang Sha, et al. Contractual Right of Land: Influence Factors Analysis on Famers Quit Intention[J].Chinese Rural Economy,2012,(6):4-19.]

        [21]錢(qián)忠好.非農(nóng)就業(yè)是否必然導(dǎo)致農(nóng)地流轉(zhuǎn)——基于家庭內(nèi)部分工的理論分析及其對(duì)中國(guó)農(nóng)戶(hù)兼業(yè)化的解釋[J].中國(guó)農(nóng)村經(jīng)濟(jì),2008,(10):13-20.[Qian Zhonghao. Does Employment Lead to Farmland Circulation or not:Based on the Analysis of Family Internal Division of Labor Theory and Its Explanation for Chinas Farmers Concurrentbusiness[J].Chinese Rural Economy,2008,(10):13-20.]

        [22]張丁,萬(wàn)蕾.農(nóng)戶(hù)土地承包經(jīng)營(yíng)權(quán)流轉(zhuǎn)的影響因素分析:基于 2004 年的 15 ?。▍^(qū))調(diào)查[J].中國(guó)農(nóng)村經(jīng)濟(jì),2007,(2):29-32.[Zhang Ding,Wan Lei. Influence Factors Analysis Farmers Contracted Management of Land Circulation:Based on 15 Provinces Survey in 2004[J]. Chinese Rural Economy, 2007,(2):29-32.]

        [23]王銀梅,劉語(yǔ)瀟. 從社會(huì)保障角度看我國(guó)農(nóng)村土地流轉(zhuǎn)[J].宏觀經(jīng)濟(jì)研究,2009,(11):40-45.[Wan Yinmei, Liu Yuxiao.From the Perspective of Social Security in China Rural Land Circulation[J]. Macroeconomic Study,2007,(2):29-32.]

        Abstract Based on two dimensions community data and micro individual data in 2011 China Health and Retirement Longitudinal Study(CHARLS),this paper carried out an empirical analysis about the relationship between oldage insurance and farmland circulation. And the result shows that the incidence of farmland circulation is generally very low, and some rural areas don't have any endowment insurance system. But the new rural oldage insurance or old one and the grants for people over the age 65 would have a positive effect on scale of community farmland conversion. So the endowment insurance policy has a positive effect in promoting the community land circulation ratio. The analysis of the micro individual data shows that the proportion of the farmers who had transferred outward or inward their farmland is very low, and the proportion is about 10%. But if famers had been drawing pensions, it would have a positive effect on their outward farmland transferring behavior and inward farmland transferring behavior. The pension income has stability and it can replace the oldage security function that land bears itself, and then promote the supply of farmland circulation. On the other hand, the pensions liberate farmland transfer people from survival and retirement worry so that it can promote famer to transfer land inward in order to achieve scale management of agricultural production and form the effective demand of farmland circulation. So we can see that oldage insurance is a very effective measure of promoting farmland circulation market supply and demand. In addition, the age of farmer is also an important factor of land circulation, but the effect is not the same in farmers outward farmland transferring behavior and inward farmland transferring behavior. Old farmers may not want to transfer farmland compared with the young adults because old farmers generally lacks skills and employment opportunity. But on the other hand, older farmers may want to transfer farmland outward rather than transfer farmland inward and enlarge the scale of land management because of the limit of work ability. Then we put the community variables and the personal characteristics variables into a hierarchical model and the result of the model shows that the grants for people over the age 65 and famers pensions are still have positive effects on their outward farmland transferring behavior and inward farmland transferring behavior, the result also shows that the models of this paper are very stable. Based on the above conclusions, the policy implications of this research is obvious, and establishing and perfecting the rural endowment insurance and other social security systems is the practical way to effectively promote the rural land circulation.

        Key words oldage insurance; outward farmland transferring behavior; inward farmland transferring behavior; logit model

        [15]Yao Y. The Development of Land Lease Market in Rural China[J]. Land Economics, 2002, 76(2): 252-266.

        [16]Brandt L, Huang J K, Li G,et al. Land Rights in China: Facts, Fictions and Less Use[J]. China Journal, 2002,47: 67-97.

        [17]陸益龍.流動(dòng)的村莊:鄉(xiāng)土社會(huì)的雙二元格局與不確定性:皖東T村的社會(huì)形態(tài)[J].中國(guó)農(nóng)業(yè)大學(xué)學(xué)報(bào):社會(huì)科學(xué)版, 2008,(3):146-153.[Lu Yilong. A Village in Migrating: Double Duality and Indefiniteness of Rural Society:Social Condition of T Village in East Anhui Province[J].China Agricultural University Journal: Social Sciences Edition , 2008,(3):146-153.]

        [18]楊菊華.多層模型在社會(huì)科學(xué)領(lǐng)域的應(yīng)用[J].中國(guó)人口科學(xué),2006,(3):44-51.[Yang Juhua. Application of Multilevel Modeling Techniques in Social Science Research[J]. China Population Sciences,2006,(3):44-51.]

        [19]李放,趙光.現(xiàn)階段農(nóng)村養(yǎng)老保險(xiǎn)制度能有效提高農(nóng)民土地流轉(zhuǎn)意愿嗎?——來(lái)自江蘇沭陽(yáng)縣30鎮(zhèn)49村的初步證據(jù)[J].南京農(nóng)業(yè)大學(xué)學(xué)報(bào):社會(huì)科學(xué)版,2012,(4):44-49.[Li Fang, ZhaoGuang. Can Rural Oldage Insurance System Effectively Improve the Famers Land Circulating Intention at the Present Age?:Preliminary Evidence from 30 Towns 49 Villages in Shuyang Jiangsu[J].Journal of Nanjing Agricultural University:Social Sciences Edition,2012,(4):44-49.]

        [20]羅必良,何應(yīng)龍,汪沙,等.土地承包經(jīng)營(yíng)權(quán):農(nóng)戶(hù)退出意愿及其影響因素分析——基于廣東省的農(nóng)戶(hù)問(wèn)卷[J].中國(guó)農(nóng)村經(jīng)濟(jì),2012,(6):4-19.[Luo Biliang, He Yinlong, Wang Sha, et al. Contractual Right of Land: Influence Factors Analysis on Famers Quit Intention[J].Chinese Rural Economy,2012,(6):4-19.]

        [21]錢(qián)忠好.非農(nóng)就業(yè)是否必然導(dǎo)致農(nóng)地流轉(zhuǎn)——基于家庭內(nèi)部分工的理論分析及其對(duì)中國(guó)農(nóng)戶(hù)兼業(yè)化的解釋[J].中國(guó)農(nóng)村經(jīng)濟(jì),2008,(10):13-20.[Qian Zhonghao. Does Employment Lead to Farmland Circulation or not:Based on the Analysis of Family Internal Division of Labor Theory and Its Explanation for Chinas Farmers Concurrentbusiness[J].Chinese Rural Economy,2008,(10):13-20.]

        [22]張丁,萬(wàn)蕾.農(nóng)戶(hù)土地承包經(jīng)營(yíng)權(quán)流轉(zhuǎn)的影響因素分析:基于 2004 年的 15 ?。▍^(qū))調(diào)查[J].中國(guó)農(nóng)村經(jīng)濟(jì),2007,(2):29-32.[Zhang Ding,Wan Lei. Influence Factors Analysis Farmers Contracted Management of Land Circulation:Based on 15 Provinces Survey in 2004[J]. Chinese Rural Economy, 2007,(2):29-32.]

        [23]王銀梅,劉語(yǔ)瀟. 從社會(huì)保障角度看我國(guó)農(nóng)村土地流轉(zhuǎn)[J].宏觀經(jīng)濟(jì)研究,2009,(11):40-45.[Wan Yinmei, Liu Yuxiao.From the Perspective of Social Security in China Rural Land Circulation[J]. Macroeconomic Study,2007,(2):29-32.]

        Abstract Based on two dimensions community data and micro individual data in 2011 China Health and Retirement Longitudinal Study(CHARLS),this paper carried out an empirical analysis about the relationship between oldage insurance and farmland circulation. And the result shows that the incidence of farmland circulation is generally very low, and some rural areas don't have any endowment insurance system. But the new rural oldage insurance or old one and the grants for people over the age 65 would have a positive effect on scale of community farmland conversion. So the endowment insurance policy has a positive effect in promoting the community land circulation ratio. The analysis of the micro individual data shows that the proportion of the farmers who had transferred outward or inward their farmland is very low, and the proportion is about 10%. But if famers had been drawing pensions, it would have a positive effect on their outward farmland transferring behavior and inward farmland transferring behavior. The pension income has stability and it can replace the oldage security function that land bears itself, and then promote the supply of farmland circulation. On the other hand, the pensions liberate farmland transfer people from survival and retirement worry so that it can promote famer to transfer land inward in order to achieve scale management of agricultural production and form the effective demand of farmland circulation. So we can see that oldage insurance is a very effective measure of promoting farmland circulation market supply and demand. In addition, the age of farmer is also an important factor of land circulation, but the effect is not the same in farmers outward farmland transferring behavior and inward farmland transferring behavior. Old farmers may not want to transfer farmland compared with the young adults because old farmers generally lacks skills and employment opportunity. But on the other hand, older farmers may want to transfer farmland outward rather than transfer farmland inward and enlarge the scale of land management because of the limit of work ability. Then we put the community variables and the personal characteristics variables into a hierarchical model and the result of the model shows that the grants for people over the age 65 and famers pensions are still have positive effects on their outward farmland transferring behavior and inward farmland transferring behavior, the result also shows that the models of this paper are very stable. Based on the above conclusions, the policy implications of this research is obvious, and establishing and perfecting the rural endowment insurance and other social security systems is the practical way to effectively promote the rural land circulation.

        Key words oldage insurance; outward farmland transferring behavior; inward farmland transferring behavior; logit model

        [15]Yao Y. The Development of Land Lease Market in Rural China[J]. Land Economics, 2002, 76(2): 252-266.

        [16]Brandt L, Huang J K, Li G,et al. Land Rights in China: Facts, Fictions and Less Use[J]. China Journal, 2002,47: 67-97.

        [17]陸益龍.流動(dòng)的村莊:鄉(xiāng)土社會(huì)的雙二元格局與不確定性:皖東T村的社會(huì)形態(tài)[J].中國(guó)農(nóng)業(yè)大學(xué)學(xué)報(bào):社會(huì)科學(xué)版, 2008,(3):146-153.[Lu Yilong. A Village in Migrating: Double Duality and Indefiniteness of Rural Society:Social Condition of T Village in East Anhui Province[J].China Agricultural University Journal: Social Sciences Edition , 2008,(3):146-153.]

        [18]楊菊華.多層模型在社會(huì)科學(xué)領(lǐng)域的應(yīng)用[J].中國(guó)人口科學(xué),2006,(3):44-51.[Yang Juhua. Application of Multilevel Modeling Techniques in Social Science Research[J]. China Population Sciences,2006,(3):44-51.]

        [19]李放,趙光.現(xiàn)階段農(nóng)村養(yǎng)老保險(xiǎn)制度能有效提高農(nóng)民土地流轉(zhuǎn)意愿嗎?——來(lái)自江蘇沭陽(yáng)縣30鎮(zhèn)49村的初步證據(jù)[J].南京農(nóng)業(yè)大學(xué)學(xué)報(bào):社會(huì)科學(xué)版,2012,(4):44-49.[Li Fang, ZhaoGuang. Can Rural Oldage Insurance System Effectively Improve the Famers Land Circulating Intention at the Present Age?:Preliminary Evidence from 30 Towns 49 Villages in Shuyang Jiangsu[J].Journal of Nanjing Agricultural University:Social Sciences Edition,2012,(4):44-49.]

        [20]羅必良,何應(yīng)龍,汪沙,等.土地承包經(jīng)營(yíng)權(quán):農(nóng)戶(hù)退出意愿及其影響因素分析——基于廣東省的農(nóng)戶(hù)問(wèn)卷[J].中國(guó)農(nóng)村經(jīng)濟(jì),2012,(6):4-19.[Luo Biliang, He Yinlong, Wang Sha, et al. Contractual Right of Land: Influence Factors Analysis on Famers Quit Intention[J].Chinese Rural Economy,2012,(6):4-19.]

        [21]錢(qián)忠好.非農(nóng)就業(yè)是否必然導(dǎo)致農(nóng)地流轉(zhuǎn)——基于家庭內(nèi)部分工的理論分析及其對(duì)中國(guó)農(nóng)戶(hù)兼業(yè)化的解釋[J].中國(guó)農(nóng)村經(jīng)濟(jì),2008,(10):13-20.[Qian Zhonghao. Does Employment Lead to Farmland Circulation or not:Based on the Analysis of Family Internal Division of Labor Theory and Its Explanation for Chinas Farmers Concurrentbusiness[J].Chinese Rural Economy,2008,(10):13-20.]

        [22]張丁,萬(wàn)蕾.農(nóng)戶(hù)土地承包經(jīng)營(yíng)權(quán)流轉(zhuǎn)的影響因素分析:基于 2004 年的 15 省(區(qū))調(diào)查[J].中國(guó)農(nóng)村經(jīng)濟(jì),2007,(2):29-32.[Zhang Ding,Wan Lei. Influence Factors Analysis Farmers Contracted Management of Land Circulation:Based on 15 Provinces Survey in 2004[J]. Chinese Rural Economy, 2007,(2):29-32.]

        [23]王銀梅,劉語(yǔ)瀟. 從社會(huì)保障角度看我國(guó)農(nóng)村土地流轉(zhuǎn)[J].宏觀經(jīng)濟(jì)研究,2009,(11):40-45.[Wan Yinmei, Liu Yuxiao.From the Perspective of Social Security in China Rural Land Circulation[J]. Macroeconomic Study,2007,(2):29-32.]

        Abstract Based on two dimensions community data and micro individual data in 2011 China Health and Retirement Longitudinal Study(CHARLS),this paper carried out an empirical analysis about the relationship between oldage insurance and farmland circulation. And the result shows that the incidence of farmland circulation is generally very low, and some rural areas don't have any endowment insurance system. But the new rural oldage insurance or old one and the grants for people over the age 65 would have a positive effect on scale of community farmland conversion. So the endowment insurance policy has a positive effect in promoting the community land circulation ratio. The analysis of the micro individual data shows that the proportion of the farmers who had transferred outward or inward their farmland is very low, and the proportion is about 10%. But if famers had been drawing pensions, it would have a positive effect on their outward farmland transferring behavior and inward farmland transferring behavior. The pension income has stability and it can replace the oldage security function that land bears itself, and then promote the supply of farmland circulation. On the other hand, the pensions liberate farmland transfer people from survival and retirement worry so that it can promote famer to transfer land inward in order to achieve scale management of agricultural production and form the effective demand of farmland circulation. So we can see that oldage insurance is a very effective measure of promoting farmland circulation market supply and demand. In addition, the age of farmer is also an important factor of land circulation, but the effect is not the same in farmers outward farmland transferring behavior and inward farmland transferring behavior. Old farmers may not want to transfer farmland compared with the young adults because old farmers generally lacks skills and employment opportunity. But on the other hand, older farmers may want to transfer farmland outward rather than transfer farmland inward and enlarge the scale of land management because of the limit of work ability. Then we put the community variables and the personal characteristics variables into a hierarchical model and the result of the model shows that the grants for people over the age 65 and famers pensions are still have positive effects on their outward farmland transferring behavior and inward farmland transferring behavior, the result also shows that the models of this paper are very stable. Based on the above conclusions, the policy implications of this research is obvious, and establishing and perfecting the rural endowment insurance and other social security systems is the practical way to effectively promote the rural land circulation.

        Key words oldage insurance; outward farmland transferring behavior; inward farmland transferring behavior; logit model

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