張兆同,熊燕華,李穎卓,彭 露
基于不同農(nóng)業(yè)經(jīng)營主體的農(nóng)業(yè)綠色生產(chǎn)機(jī)械購置行為
張兆同,熊燕華,李穎卓,彭 露
(南京農(nóng)業(yè)大學(xué)信息管理學(xué)院,南京 211800)
農(nóng)業(yè)綠色生產(chǎn)是農(nóng)業(yè)綠色發(fā)展的重要內(nèi)容,而綠色生產(chǎn)機(jī)械的購置與運(yùn)用是農(nóng)業(yè)綠色生產(chǎn)的關(guān)鍵,基于不同農(nóng)業(yè)經(jīng)營主體的農(nóng)業(yè)綠色生產(chǎn)機(jī)械購置行為研究,有助于提升相關(guān)政策的有效性和針對性。該研究基于計(jì)劃行為理論,提出了理論假設(shè),構(gòu)建了結(jié)構(gòu)方程模型,通過社會調(diào)查獲得數(shù)據(jù),運(yùn)用AMOS軟件,對模型進(jìn)行了檢驗(yàn),對假設(shè)進(jìn)行了驗(yàn)證。計(jì)算結(jié)果顯示,“行為態(tài)度”、“主觀規(guī)范”、“知覺行為控制”3個潛變量和“購置意愿”潛變量之間的路徑系數(shù)分別為-0.208、0.5、0.434,“購置意愿”和“購置行為”之間的路徑系數(shù)為0.693,“身份”、“經(jīng)營規(guī)?!眰€體特征變量和“購置意愿”之間的路徑系數(shù)分別為0.146、0.053。研究認(rèn)為,農(nóng)業(yè)經(jīng)營主體購置農(nóng)業(yè)綠色生產(chǎn)機(jī)械的行為意愿受主觀規(guī)范影響最大;感知行為控制的影響次之,行為態(tài)度和購置意愿關(guān)系失調(diào)。購置意愿和購置行為呈顯著正向關(guān)系。農(nóng)業(yè)經(jīng)營主體的個性特征對購置意愿的影響存在差異,其中,身份和經(jīng)營規(guī)模顯著影響購置意愿,文化程度和年齡對購置意愿的影響不顯著。因此,應(yīng)培育農(nóng)業(yè)綠色生產(chǎn)機(jī)械購置與使用主體,強(qiáng)化綠色生產(chǎn)宣傳和典型示范,完善綠色生態(tài)導(dǎo)向的補(bǔ)貼政策,形成綠色生產(chǎn)機(jī)械有效需求和有效供給,推動綠色生產(chǎn)機(jī)械的購置與使用,助力農(nóng)業(yè)綠色發(fā)展。
農(nóng)業(yè)機(jī)械;行為;結(jié)構(gòu)方程模型;綠色生產(chǎn)機(jī)械;計(jì)劃行為理論;農(nóng)業(yè)經(jīng)營主體
黨的十九大報(bào)告提出了鄉(xiāng)村振興戰(zhàn)略,2018年中央一號文件提出要深入推進(jìn)農(nóng)業(yè)綠色化,助推鄉(xiāng)村振興戰(zhàn)略,農(nóng)業(yè)綠色發(fā)展成為了國家戰(zhàn)略要求。而農(nóng)業(yè)綠色生產(chǎn)是農(nóng)業(yè)綠色發(fā)展的重要內(nèi)容,綠色生產(chǎn)機(jī)械又是農(nóng)業(yè)綠色生產(chǎn)的關(guān)鍵[1]。因此,綠色生產(chǎn)機(jī)械的購置與使用就成為了農(nóng)業(yè)綠色發(fā)展戰(zhàn)略目標(biāo)實(shí)現(xiàn)的保障。依據(jù)農(nóng)業(yè)農(nóng)村部發(fā)布的《農(nóng)業(yè)綠色發(fā)展技術(shù)導(dǎo)則(2018—2030年)》,本文將農(nóng)業(yè)綠色生產(chǎn)技術(shù)實(shí)施需要的農(nóng)業(yè)機(jī)械稱為綠色生產(chǎn)機(jī)械,包括深耕深松機(jī)械、有機(jī)肥撒施機(jī)械、高效植保機(jī)械、秸稈離田還田機(jī)械、農(nóng)業(yè)廢棄物處理機(jī)械等?!秶鴦?wù)院關(guān)于加快推進(jìn)農(nóng)業(yè)機(jī)械化和農(nóng)機(jī)裝備產(chǎn)業(yè)轉(zhuǎn)型升級的指導(dǎo)意見》[國發(fā)〔2018〕42號]提出,要大力支持保護(hù)性耕作、精量播種、精準(zhǔn)施藥、高效施肥等綠色高效機(jī)械裝備的示范推廣,推動綠色生產(chǎn)機(jī)械的購置和使用。
在農(nóng)機(jī)購置補(bǔ)貼政策推動下,國內(nèi)農(nóng)機(jī)裝備水平不斷提高。自2004年黨的十八大以來,中央財(cái)政累計(jì)安排農(nóng)機(jī)購置補(bǔ)貼資金1 116億元[2],全國農(nóng)機(jī)裝備總動力達(dá)到了10.27億kw。但農(nóng)業(yè)綠色生產(chǎn)機(jī)械購置與使用明顯不足,如秸稈的離田還田,往往需要政府大量行政力量介入,才基本解決秸稈焚燒問題。部分地區(qū)實(shí)施了綠色生產(chǎn)機(jī)械的應(yīng)補(bǔ)盡補(bǔ)的補(bǔ)貼政策,但農(nóng)業(yè)經(jīng)營主體的購置響應(yīng)并不理想。因此,有必要對農(nóng)業(yè)經(jīng)營主體的綠色生產(chǎn)機(jī)械購置行為進(jìn)行研究,分析農(nóng)業(yè)綠色生產(chǎn)機(jī)械購置行為特征,為推動綠色生產(chǎn)機(jī)械使用提供理論參考。
目前,已有文獻(xiàn)主要是對傳統(tǒng)農(nóng)業(yè)機(jī)械購置行為的研究[3-6],只有部分文獻(xiàn)涉及綠色生產(chǎn)機(jī)械,認(rèn)為農(nóng)戶購置農(nóng)機(jī)首先考慮功能性、耐久性、安全性[7],其次才考慮綠色功能。而且,隨著時間的推移,農(nóng)戶農(nóng)機(jī)購買行為趨于理性化,因此,應(yīng)增加農(nóng)機(jī)購置補(bǔ)貼種類,合理確定補(bǔ)貼額度[8],動態(tài)調(diào)整農(nóng)機(jī)產(chǎn)品的補(bǔ)貼范圍,重點(diǎn)補(bǔ)貼新型高效和應(yīng)用于關(guān)鍵作業(yè)環(huán)節(jié)的農(nóng)業(yè)機(jī)械,才能推動更多生產(chǎn)環(huán)節(jié)使用綠色生產(chǎn)機(jī)械,助力農(nóng)業(yè)綠色發(fā)展[9-10]。已有研究表明,綠色生產(chǎn)機(jī)械購置需要綠色生態(tài)導(dǎo)向的農(nóng)機(jī)購置補(bǔ)貼政策,補(bǔ)貼政策的有效性和針對性,需要了解農(nóng)業(yè)經(jīng)營主體的綠色生產(chǎn)機(jī)械購置行為特征。因此,農(nóng)業(yè)經(jīng)營主體的綠色生產(chǎn)機(jī)械購置行為特征的研究具有理論價(jià)值和現(xiàn)實(shí)意義。
本文引入計(jì)劃行為理論,結(jié)合農(nóng)業(yè)生產(chǎn)實(shí)際,通過社會調(diào)查,構(gòu)建結(jié)構(gòu)方程模型,分析農(nóng)業(yè)經(jīng)營主體購買綠色生產(chǎn)機(jī)械的意愿和行為特征及其影響因素,研究結(jié)果將豐富農(nóng)機(jī)化發(fā)展理論,有助于創(chuàng)新農(nóng)機(jī)購置補(bǔ)貼政策,推動綠色生產(chǎn)機(jī)械購置和使用,助力農(nóng)業(yè)綠色發(fā)展。
計(jì)劃行為理論(Theory of Planned Behavior)是研究個體行為決策的重要理論,能很好地預(yù)測和解釋個體行為[11]。該理論認(rèn)為,行為態(tài)度、主觀規(guī)范、感知行為控制三者共同對行為意愿和實(shí)際行為產(chǎn)生影響。其中,行為意愿是決定個體行為的最直接因素,而行為意愿受到行為態(tài)度、主觀規(guī)范、知覺行為控制的影響。個體行為的態(tài)度越正面,主觀規(guī)范越有利,知覺行為控制越強(qiáng),個體行為意愿會越強(qiáng)烈,執(zhí)行行為的可能性越大[12]。
農(nóng)業(yè)經(jīng)營主體綠色生產(chǎn)機(jī)械購置行為研究涉及社會學(xué)、經(jīng)濟(jì)學(xué)、心理學(xué)等領(lǐng)域,一般理論很難準(zhǔn)確分析這一行為,運(yùn)用計(jì)劃行為理論,可以較好地解釋農(nóng)業(yè)經(jīng)營主體的綠色生產(chǎn)購置行為特征。計(jì)劃行為理論應(yīng)用于農(nóng)業(yè)經(jīng)營主體行為研究,其有效性得到了一些研究的驗(yàn)證,該理論在農(nóng)業(yè)經(jīng)營主體耕地面源污染治理參與、綠色生產(chǎn)技術(shù)采納、有機(jī)肥施用、農(nóng)藥使用控制以及可再生能源使用等方面已有運(yùn)用[13-19]。也有學(xué)者運(yùn)用計(jì)劃行為理論對農(nóng)機(jī)擴(kuò)散的影響因素進(jìn)行了研究,認(rèn)為農(nóng)戶最終的農(nóng)機(jī)采納行為不僅依賴于行為態(tài)度和他人的看法,還依賴于自身是否具備足夠的購買力[20]。
農(nóng)業(yè)綠色生產(chǎn)機(jī)械的購置與使用,涉及政府、農(nóng)業(yè)機(jī)械生產(chǎn)廠商和農(nóng)業(yè)經(jīng)營主體。其中,政府的綠色宣傳、補(bǔ)貼政策、培訓(xùn)推廣、條件改善會影響農(nóng)業(yè)綠色生產(chǎn)機(jī)械的使用效益、使用環(huán)境和農(nóng)業(yè)經(jīng)營主體對資源環(huán)境的控制能力和水平,廠商生產(chǎn)的產(chǎn)品種類和產(chǎn)品質(zhì)量會影響農(nóng)業(yè)綠色生產(chǎn)機(jī)械購置的吸引力。農(nóng)業(yè)經(jīng)營主體的綠色生產(chǎn)機(jī)械購置行為具有群體特征,不同個體特征的農(nóng)業(yè)經(jīng)營主體會產(chǎn)生不同的政策反應(yīng)[21]。年齡、受教育程度、農(nóng)戶類型、種植規(guī)模、政策認(rèn)知、農(nóng)業(yè)收入、融資能力等對農(nóng)機(jī)購置決策存在顯著影響[22],農(nóng)機(jī)購置補(bǔ)貼也會影響農(nóng)機(jī)購置行為[23]。這些因素通過影響綠色生產(chǎn)機(jī)械購置意愿,進(jìn)而影響購置行為?;谏鲜隼碚摲治龊陀?jì)劃行為理論,構(gòu)建農(nóng)業(yè)經(jīng)營主體綠色生產(chǎn)機(jī)械購置行為分析框架,如圖1所示。
1.2.1 行為態(tài)度
行為態(tài)度有正向和反向兩種表現(xiàn),分別反映了農(nóng)業(yè)經(jīng)營主體對購置綠色生產(chǎn)機(jī)械的喜愛和厭惡程度。農(nóng)業(yè)經(jīng)營主體對綠色生產(chǎn)機(jī)械購置行為具有正面評價(jià),則對購置行為產(chǎn)生積極態(tài)度;具有負(fù)面評價(jià),則體現(xiàn)為消極態(tài)度。行為態(tài)度受到購置行為可能帶來的預(yù)期效益的影響,預(yù)期效益和綠色生產(chǎn)成本是農(nóng)業(yè)經(jīng)營主體行為決策的關(guān)鍵影響因素[24]。農(nóng)業(yè)經(jīng)營主體預(yù)期綠色生產(chǎn)機(jī)械購置行為可以帶來效益,感知到購置行為可以減輕勞動強(qiáng)度、提高作業(yè)效率和彌補(bǔ)勞動力不足,會增強(qiáng)購置意愿[25-26];農(nóng)業(yè)經(jīng)營主體的生態(tài)價(jià)值觀也會影響其綠色生產(chǎn)機(jī)械購置行為[27]?;谏鲜龇治?,提出假設(shè):
H1:農(nóng)業(yè)經(jīng)營主體行為態(tài)度正向影響購置意愿。
1.2.2 主觀規(guī)范
主觀規(guī)范是農(nóng)業(yè)經(jīng)營主體綠色生產(chǎn)機(jī)械購置行為決策受到的外界影響或外部壓力。Cialdini將主觀規(guī)范分為指令性規(guī)范和示范性規(guī)范[28]。指令性規(guī)范是指政府部門對綠色生產(chǎn)機(jī)械購置的要求和引導(dǎo)性宣傳。農(nóng)業(yè)經(jīng)營主體對政府的信任程度比較高,地方政府工作人員的要求和村干部的宣傳,會顯著影響農(nóng)業(yè)經(jīng)營主體對綠色生產(chǎn)機(jī)械的評價(jià),進(jìn)而對購置意愿產(chǎn)生重要影響。示范性規(guī)范是指親友近鄰對綠色生產(chǎn)機(jī)械購置行為的監(jiān)督和約束作用,親朋好友示范和家人意見必然會成為農(nóng)業(yè)經(jīng)營主體決策的參考依據(jù)[5,29]。另一方面,農(nóng)業(yè)經(jīng)營主體通過各類媒體感受到綠色發(fā)展的社會氛圍,了解到農(nóng)業(yè)綠色發(fā)展的必然趨勢,會強(qiáng)化其購置綠色生產(chǎn)機(jī)械的意愿?;谏鲜龇治?,提出下述假設(shè):
H2:農(nóng)業(yè)經(jīng)營主體主觀規(guī)范正向影響購置意愿。
1.2.3 知覺行為控制
知覺行為控制是指過去的經(jīng)驗(yàn)和未來的預(yù)期對農(nóng)業(yè)經(jīng)營主體購置綠色生產(chǎn)機(jī)械行為的影響,包括感知強(qiáng)度和控制信念兩個方面。感知強(qiáng)度表現(xiàn)為農(nóng)業(yè)經(jīng)營主體感知到購置綠色生產(chǎn)機(jī)械的必要程度,控制信念表現(xiàn)為農(nóng)業(yè)經(jīng)營主體對綠色生產(chǎn)機(jī)械購置行為難易程度的認(rèn)知和控制能力??刂颇芰煞譃閮?nèi)外兩個層面,內(nèi)部控制能力是指農(nóng)業(yè)經(jīng)營主體所具備的響應(yīng)能力,包括技能、經(jīng)驗(yàn)和文化程度等,而外部控制能力是指外在的機(jī)會、資源等,包括綠色生產(chǎn)機(jī)械的性能、農(nóng)業(yè)生產(chǎn)管理與技術(shù)等??傊?,綠色生產(chǎn)機(jī)械購置會受到資源、環(huán)境、收入等多方面因素影響[30-31]。農(nóng)業(yè)經(jīng)營主體感知到購買價(jià)值高,認(rèn)為自身掌握的可控因素多,購置意愿會更強(qiáng)烈,會傾向于購置綠色生產(chǎn)機(jī)械?;谏鲜龇治?,提出如下假設(shè):
H3:農(nóng)業(yè)經(jīng)營主體知覺行為控制正向影響購置意愿。
1.2.4 購置意愿對購置行為的影響
農(nóng)業(yè)經(jīng)營主體購置意愿是購置行為的前提條件,購置行為是基于購置意愿的決策。購置意愿越強(qiáng)烈,越有可能轉(zhuǎn)化為購買行為。農(nóng)業(yè)經(jīng)營主體的購置意愿可以通過購買、進(jìn)一步購買、動員他人購買三個方面體現(xiàn)。而購置行為可以直接通過是否購買進(jìn)行測量?;谏鲜龇治觯岢鋈缦录僭O(shè)。
H4:農(nóng)業(yè)經(jīng)營主體購置意愿會正向影響購置行為。
1.2.5 農(nóng)業(yè)經(jīng)營主體行為態(tài)度、主觀規(guī)范、知覺行為控制之間的關(guān)系
首先,農(nóng)業(yè)經(jīng)營主體面臨的主觀規(guī)范越強(qiáng),行為態(tài)度越積極;購置行為態(tài)度越積極,對主觀規(guī)范越敏感,農(nóng)業(yè)經(jīng)營主體綠色生產(chǎn)機(jī)械購置行為態(tài)度和主觀規(guī)范之間存在相關(guān)性。其次,行為態(tài)度越積極,農(nóng)業(yè)經(jīng)營主體更加愿意完善購置行為所需要的條件,包括籌資、技術(shù)學(xué)習(xí)等;資源條件越可控,行為態(tài)度也越積極,農(nóng)業(yè)經(jīng)營主體行為態(tài)度和知覺行為控制明顯相關(guān)。第三,主觀規(guī)范越強(qiáng),農(nóng)業(yè)經(jīng)營主體感受到外界的影響力越大,完善購置行為所需資源條件更加積極;農(nóng)業(yè)經(jīng)營主體可以控制的資源條件越豐富,主觀規(guī)范的影響和作用力就越強(qiáng)。因此,主觀規(guī)范和知覺行為控制也具有相關(guān)性?;谏鲜龇治觯岢鋈缦录僭O(shè):
H5:行為態(tài)度、主觀規(guī)范、知覺行為控制兩兩相關(guān)。
1.2.6 不同類型農(nóng)業(yè)經(jīng)營主體的購置意愿和行為響應(yīng)存在差異
購置綠色生產(chǎn)機(jī)械的農(nóng)業(yè)經(jīng)營主體具有明顯的多元異質(zhì)特征,包括傳統(tǒng)小農(nóng)、種田大戶、家庭農(nóng)場主、農(nóng)業(yè)合作社等多元主體,同時,在年齡、文化程度及其經(jīng)營規(guī)模等方面具有異質(zhì)性。多元異質(zhì)農(nóng)業(yè)經(jīng)營主體購置意愿的影響因素及其影響程度會有所差異,購置意愿向購置行為轉(zhuǎn)化的可能性也會不同。文化程度、經(jīng)營規(guī)模、農(nóng)機(jī)組織等是影響農(nóng)機(jī)購買的重要因素[32-33]。基于上述分析,提出如下假設(shè)。
H6:不同年齡、文化程度、身份、經(jīng)營規(guī)模的農(nóng)業(yè)經(jīng)營主體,購置意愿和行為響應(yīng)不同。
根據(jù)圖1分析框架和研究假設(shè),構(gòu)建基于結(jié)構(gòu)方程模型分析方法的農(nóng)業(yè)經(jīng)營主體綠色生產(chǎn)機(jī)械購置行為分析模型,如圖2所示。包括行為態(tài)度(Attitude toward Behavior,AB)、主觀規(guī)范(Subjective Norms,SN)、知覺行為控制(Perceived Behavior Control,PBC)、購置意愿(Purchase Intention,PI)、購置行為(Purchase Response,PR)5個潛變量,購置意愿在購買行為與行為態(tài)度、主觀規(guī)范和知覺行為控制3個潛變量之間發(fā)揮中介作用?;诰G色生產(chǎn)機(jī)械購置與使用實(shí)際,個性特征選擇年齡(Age)、文化程度(Education Level,EL)、身份(Identity,ID)和經(jīng)營規(guī)模(Operation Scale,OS)4個變量,4個變量首先影響購置意愿形成,進(jìn)而影響購置行為。
本文研究選擇江蘇省作為樣本區(qū)域。一是因?yàn)榻K省農(nóng)機(jī)化發(fā)展較快,是全國農(nóng)機(jī)化發(fā)展典型省份。截止2020年底,農(nóng)機(jī)總動力達(dá)到了5 214萬kW,位列全國第7,可供研究的現(xiàn)實(shí)基礎(chǔ)好。二是江蘇省近年來大力推廣秸稈機(jī)械化還田、精準(zhǔn)施肥和深耕深松等綠色生產(chǎn)機(jī)械,進(jìn)一步的推廣應(yīng)用需要理論指導(dǎo),研究具有現(xiàn)實(shí)需要。
研究選擇生產(chǎn)稻麥的農(nóng)業(yè)經(jīng)營主體為研究對象,因?yàn)榻K省稻麥生產(chǎn)規(guī)模比較大,正在推進(jìn)全程機(jī)械化。同時,稻麥也是主要糧食作物,綠色生產(chǎn)機(jī)械使用對農(nóng)業(yè)綠色生產(chǎn)和農(nóng)業(yè)綠色發(fā)展意義重大。
研究以農(nóng)業(yè)經(jīng)營主體為調(diào)查對象,通過3個途徑進(jìn)行調(diào)查和數(shù)據(jù)收集:一是利用新型職業(yè)農(nóng)民和農(nóng)機(jī)職業(yè)技能等培訓(xùn)機(jī)會,對參加培訓(xùn)的農(nóng)業(yè)經(jīng)營主體進(jìn)行問卷調(diào)查;二是選擇部分地區(qū)通過農(nóng)業(yè)經(jīng)營主體座談會現(xiàn)場填寫調(diào)查問卷;三是選擇部分地區(qū)進(jìn)行入戶問卷調(diào)查。
區(qū)域樣本選擇基于2個基本原則:一是不同經(jīng)濟(jì)發(fā)達(dá)地區(qū)的全覆蓋;二是兼顧農(nóng)民、家庭農(nóng)場和農(nóng)業(yè)合作社等農(nóng)業(yè)經(jīng)營主體的全面性。由于江蘇省蘇南地區(qū)的大部分村鎮(zhèn)經(jīng)濟(jì)比較發(fā)達(dá),農(nóng)機(jī)配置主要是村鎮(zhèn)政府行為,為保障研究的應(yīng)用價(jià)值,主要選擇蘇中和蘇北以及蘇南非村鎮(zhèn)政府配置農(nóng)機(jī)的地區(qū)為樣本區(qū)域。研究樣本區(qū)域選擇常州的金壇區(qū)、南通的通州區(qū)、揚(yáng)州的高郵市、泰州的姜堰區(qū)、徐州的睢寧縣、淮安的淮陰區(qū)、鹽城的射陽縣、宿遷的沭陽縣、連云港的灌南縣。
調(diào)查累計(jì)發(fā)放問卷650份,剔除信息填寫不完整或不規(guī)范問卷,回收有效問卷560份,有效率為86.15%。樣本選擇和數(shù)據(jù)滿足研究需要。
2.2.1 量表設(shè)計(jì)
依據(jù)圖1分析框架和圖2分析模型,遵循Ajzen提出的計(jì)劃行為理論問卷設(shè)計(jì)方法[34],依據(jù)5個潛變量的內(nèi)涵及影響因素,設(shè)計(jì)20個觀測變量,各潛變量所包括的觀測變量如表1所示,行為態(tài)度、主觀規(guī)范、知覺行為控制、購置意愿和購置行為分別包含6個、4個、6個、3個和1個觀測變量。除購置行為外,觀測變量測定都采用李克特量表,5個選項(xiàng)及其賦值分別為“1-完全不贊同、2-不贊同、3-一般、4-贊同、5-完全贊同”?!百徶眯袨椤钡挠^測變量為二元的0-1變量,0表示購買行為為否,1則為是。由于“購置行為”潛變量只有1個觀測變量,依據(jù)結(jié)構(gòu)方程分析規(guī)則,可以直接按照觀測變量參與計(jì)算和分析。
表1 變量界定與描述性統(tǒng)計(jì)
Table 1 Variable definition and descriptive statistics
2.2.2 描述性統(tǒng)計(jì)
根據(jù)研究需要和現(xiàn)實(shí)情況分析,年齡、文化程度、經(jīng)營規(guī)模分為5個層次,農(nóng)業(yè)經(jīng)營主體身份分為4種類型。其中,農(nóng)機(jī)服務(wù)主體包括農(nóng)機(jī)大戶和農(nóng)機(jī)合作社。對調(diào)查數(shù)據(jù)統(tǒng)計(jì)分析,獲得樣本基本特征如表2所示,46~55歲的年齡占比最大,為40.54%;傳統(tǒng)小農(nóng)在主體類型中占比最多,為33.39%,其次是農(nóng)業(yè)合作社,為26.07%;文化程度變量特征是初中文化程度的主體占比最大,為40.54%;經(jīng)營規(guī)模變量特征是“≤3.33 hm2”和“13.34~33.33 hm2”規(guī)模的農(nóng)業(yè)經(jīng)營主體占比居多,分別為29.82%和28.04%。各個層次比例比較符合現(xiàn)實(shí)情況,滿足研究需要。
結(jié)構(gòu)方程模型分析方法(Structural Equation Model)整合了因素分析與路徑分析2種統(tǒng)計(jì)方法,在社會科學(xué)領(lǐng)域主要用于分析觀察變量間的復(fù)雜關(guān)系。首先,基于相關(guān)理論進(jìn)行研究假設(shè),并構(gòu)建結(jié)構(gòu)方程分析模型;其次,運(yùn)用相關(guān)軟件,進(jìn)行驗(yàn)證計(jì)算和分析。結(jié)構(gòu)方程模型由測量模型和結(jié)構(gòu)模型構(gòu)成。
測量模型通常表示為
結(jié)構(gòu)模型通常表示為
本文將運(yùn)用計(jì)劃行為理論構(gòu)建研究假設(shè),以多元異質(zhì)農(nóng)業(yè)經(jīng)營主體為調(diào)查對象,通過社會調(diào)查獲得數(shù)據(jù),運(yùn)用結(jié)構(gòu)方程模型分析方法,借助AMOS分析軟件,計(jì)算潛變量與觀測變量之間的載荷系數(shù)值和各潛變量之間的路徑系數(shù),進(jìn)行數(shù)據(jù)檢驗(yàn)和驗(yàn)證研究假設(shè),分析影響因素和影響程度。
表2 樣本基本特征
Table 2 Basic characteristics of samples
表3 變量信度與效度分析結(jié)果
Table 3 Analysis of reliability and validity of variables
注:≤0.001表示在1%的統(tǒng)計(jì)水平上顯著。
Note:≤0.001 means significance at the statistical level of 1%.
采用Amos軟件對圖2分析模型進(jìn)行擬合,發(fā)現(xiàn)模型擬合效果達(dá)不到要求,其中,個性特征中的“文化程度”和“年齡”變量與“購置意愿”潛變量之間路徑系數(shù)比較小,未能通過顯著性檢驗(yàn)。因此,刪除“文化程度”和“年齡”觀測變量,修正結(jié)構(gòu)方程分析模型,再次運(yùn)用AMOS軟件對修正后模型進(jìn)行檢驗(yàn),并對其中的e1和e6、e20和e23、e22和e24之間的共變關(guān)系進(jìn)行修正,模型卡方值小于3,達(dá)到了相應(yīng)的判斷標(biāo)準(zhǔn),如圖3和表 4所示。表明修正后模型可以用于對農(nóng)業(yè)經(jīng)營主體購置綠色生產(chǎn)機(jī)械行為進(jìn)行研究和分析。
進(jìn)一步對修正后模型進(jìn)行適配度檢驗(yàn),結(jié)果如表4所示。其中,絕對適配度指標(biāo)包括規(guī)范化的卡方值、擬合優(yōu)度指數(shù)、近似均方根誤差(Root Mean Square Error of Approximation,RMSEA);增值適配度指標(biāo)包括標(biāo)準(zhǔn)擬合指數(shù)(Normed Fit Index,NFI)、增值擬合指數(shù)(Incremental Fit Index,IFI)、比較擬合指數(shù)(Comparative Fit Index,CFI);簡約適配度指標(biāo)包括簡約擬合優(yōu)度指數(shù)(Parsimonious Goodness-of-Fit Index,PGFI)、簡約標(biāo)準(zhǔn)擬合指數(shù)(Parsimonious Normed Fit Index,PNFI)。各適配度檢驗(yàn)指標(biāo)的實(shí)際擬合值都達(dá)到判斷標(biāo)準(zhǔn),表明模型與數(shù)據(jù)的擬合度好,可以進(jìn)行模型分析。
運(yùn)用Amos軟件對修正后模型進(jìn)行擬合計(jì)算,結(jié)果如表5所示。計(jì)算結(jié)果表明,“主觀規(guī)范”、“知覺行為控制”與“購置意愿”,以及“購置意愿”與“購置行為”變量之間都為正向關(guān)系,個性特征中的“身份”和“經(jīng)營規(guī)?!币才c“購置意愿”呈正向關(guān)系;顯著性方面,臨界比的絕對值都大于1.96,且“經(jīng)營規(guī)?!迸c“購置意愿”之間通過了5%水平的顯著性檢驗(yàn),其他變量之間都通過了1%水平的顯著性檢驗(yàn),相關(guān)假設(shè)得到支持。而“行為態(tài)度”與“購置意愿”之間系數(shù)為負(fù)值,不是正相關(guān)關(guān)系,H1假設(shè)未得到支持。路徑系數(shù)值方面,“行為態(tài)度”、“主觀規(guī)范”、“知覺行為控制”3個變量之間的路徑系數(shù)值分別為0.842、0.816、0.918,三者與“購置意愿”的路徑系數(shù)值分別為-0.208、0.5、0.434,“購置意愿”與“購置行為”的路徑系數(shù)值為0.693,“身份”、“經(jīng)營規(guī)模”與“購置意愿”的系數(shù)值分別為0.146和0.053。
表4 模型適配度檢驗(yàn)結(jié)果
Table 4 Results of model fitness test
3.4.1 主觀規(guī)范對購置意愿的影響
農(nóng)業(yè)生產(chǎn)經(jīng)營主體綠色生產(chǎn)機(jī)械購置意愿受主觀規(guī)范影響最大,路徑系數(shù)為0.5。“主觀規(guī)范”潛變量與對應(yīng)的4個觀測變量的載荷系數(shù)都大于0.70,表明4個觀測變量都是解釋“主觀規(guī)范”潛變量的關(guān)鍵變量。而在這4個觀測變量中,“家庭成員支持”的解釋力最大,其載荷系數(shù)值為0.81;“親朋好友示范”影響其次,載荷系數(shù)值為0.78。這一結(jié)論驗(yàn)證了農(nóng)業(yè)生產(chǎn)主體經(jīng)營決策是由家庭主導(dǎo)并受示范影響較大的現(xiàn)實(shí)?!吧鐣諊瞥纭焙汀按甯刹恳蟆钡妮d荷系數(shù)略低,表明社會綠色生產(chǎn)氛圍營造和基層職能部門的宣傳還有提升空間。
表5 計(jì)算結(jié)果與假設(shè)檢驗(yàn)
Table 5 Results of path coefficient and conclusion of hypothesis test
注:***、**分別表示在1%、5%的統(tǒng)計(jì)水平上顯著。
Note: ***and**means significance at the statistical level of 1% and 5%, respectively.
3.4.2 知覺行為控制對購置意愿的影響
知覺行為控制對農(nóng)業(yè)經(jīng)營主體綠色生產(chǎn)機(jī)械購置意愿的影響略低于主觀規(guī)范的影響,路徑系數(shù)為0.434。其與對應(yīng)的6個觀測變量的載荷系數(shù)都在0.7以上,表明6個觀測變量都是潛變量的關(guān)鍵解釋因素。在所有觀測變量體現(xiàn)的影響因素中,綠色生產(chǎn)機(jī)械的“機(jī)械質(zhì)量與性能”以及“管理部門示范和推廣”兩變量的載荷系數(shù)比較大,都為0.8,表明這兩個因素的解釋力比較突出。而“經(jīng)濟(jì)上有能力”觀測變量在知覺行為控制方面解釋力稍弱,表明了現(xiàn)有補(bǔ)貼政策在推動綠色生產(chǎn)機(jī)械購置行為方面需要進(jìn)一步完善。事實(shí)上,傳統(tǒng)的農(nóng)機(jī)購置補(bǔ)貼政策并沒有突出綠色生產(chǎn)機(jī)械的含義,使得經(jīng)濟(jì)扶持的影響力并不明顯。
3.4.3 行為態(tài)度對購置意愿的影響
行為態(tài)度對農(nóng)業(yè)經(jīng)營主體綠色生產(chǎn)機(jī)械購置意愿的影響與假設(shè)不一致,其路徑系數(shù)為負(fù),表明行為態(tài)度對購置意愿不具有正向作用。由表1可知,行為態(tài)度各觀測變量的統(tǒng)計(jì)均值都在4.0以上,表明農(nóng)業(yè)經(jīng)營主體能感知到綠色生產(chǎn)機(jī)械使用可以保護(hù)環(huán)境,提升農(nóng)產(chǎn)品的質(zhì)量,降低成本和勞動強(qiáng)度,但并沒有形成購置綠色生產(chǎn)機(jī)械的意愿,呈現(xiàn)行為態(tài)度與購置意愿失調(diào)狀態(tài),其客觀原因可能是綠色生產(chǎn)機(jī)械購置需要增加額外成本,但不能確定綠色生產(chǎn)機(jī)械的購置是否能帶來與之相對應(yīng)的生產(chǎn)收益,如深耕深松、有機(jī)肥撒施機(jī)械的使用,有利于土壤改良,但并不一定能得到與投入相對應(yīng)的回報(bào),導(dǎo)致行為態(tài)度與購置意愿關(guān)系失調(diào)。行為態(tài)度和購置意愿之間的路徑系數(shù)為-0.208,系數(shù)值較小,表明存在的失調(diào)現(xiàn)象并不嚴(yán)重??陀^而言,其他經(jīng)濟(jì)行為也存在行為態(tài)度和行為意愿失調(diào)現(xiàn)象[35-37],如何改善失調(diào)狀態(tài),值得進(jìn)一步研究。
3.4.4 購置意愿和購置行為之間的關(guān)系
農(nóng)業(yè)生產(chǎn)經(jīng)營主體的購置意愿能顯著產(chǎn)生購置行為,兩者之間的路徑系數(shù)為0.693,表明農(nóng)業(yè)經(jīng)營主體的購置意愿具有明顯的中介作用。但農(nóng)業(yè)經(jīng)營主體購置綠色生產(chǎn)機(jī)械是有選擇性的,如表6所示,綠色生產(chǎn)機(jī)械的購買主要集中在精量噴藥施肥機(jī)械和秸稈還田與離田機(jī)械,而有機(jī)肥撒施機(jī)械、深松深耕機(jī)械、殘膜回收機(jī)械等購買較少,其原因是機(jī)械使用增加了成本,但收益增加具有不確定性。因此,綠色生產(chǎn)機(jī)械的使用能帶來生產(chǎn)收益是綠色生產(chǎn)機(jī)械購置的重要條件。
表6 不同農(nóng)業(yè)經(jīng)營主體購置綠色生產(chǎn)機(jī)械及其機(jī)械類型占比
Table 6 Proportion of green production machinery purchased by different agricultural operators and their types
3.4.5 潛變量之間及其個性特征對購置意愿的影響
“行為態(tài)度”、“主觀規(guī)范”和“知覺行為控制”3個潛變量之間的相關(guān)性比較強(qiáng),兩兩之間的路徑系數(shù)分別為0.842、0.918、0.816,支持假設(shè)。個性特征與購置意愿之間的關(guān)系呈現(xiàn)一定的差異。計(jì)算結(jié)果顯示,“身份”與“購置意愿”的關(guān)系通過了1%水平的顯著性檢驗(yàn),兩者之間的系數(shù)值為0.146。由表6可知,農(nóng)業(yè)合作社對綠色生產(chǎn)機(jī)械的購置占比最高,農(nóng)業(yè)合作社樣本中有79.45%購置了相關(guān)的綠色生產(chǎn)機(jī)械;傳統(tǒng)小農(nóng)的比例最低,為29.95%,主要集中在精量噴藥和秸稈離田和還田機(jī)械。經(jīng)營規(guī)模對購置意愿的影響通過了1%水平上的顯著性檢驗(yàn),系數(shù)值為0.05,表明了經(jīng)營規(guī)模對意愿形成影響不大,但比較一致。總體上是規(guī)模大的農(nóng)業(yè)經(jīng)營主體購置意愿強(qiáng)烈一些,購置行為占比多一些,如表7所示,33.34~66.67 hm2的規(guī)模經(jīng)營主體購買占比最大,為80.26%;≥66.68 hm2和≤3.33 hm2的規(guī)模經(jīng)營者購買占比有所降低。
表7 不同經(jīng)營規(guī)模情況下購置綠色生產(chǎn)機(jī)械主體占比
Table 7 Proportion of green production machinery purchasing entities under different operation scales
本文基于計(jì)劃行為理論,構(gòu)建了農(nóng)業(yè)經(jīng)營主體綠色生產(chǎn)機(jī)械購置行為的理論分析框架和結(jié)構(gòu)方程模型,通過社會調(diào)查獲得數(shù)據(jù),運(yùn)用AMOS軟件,對模型進(jìn)行了驗(yàn)證。研究表明,本文構(gòu)建的理論框架、結(jié)構(gòu)方程模型分析方法可以用于農(nóng)業(yè)經(jīng)營主體的綠色生產(chǎn)機(jī)械購置行為分析,能很好地解釋農(nóng)業(yè)經(jīng)營主體綠色生產(chǎn)機(jī)械購置行為特征和影響因素及其影響程度。研究認(rèn)為,農(nóng)業(yè)生產(chǎn)經(jīng)營主體購置綠色生產(chǎn)機(jī)械的意愿受主觀規(guī)范影響最大,也比較顯著;知覺行為控制的影響次之,行為態(tài)度和購置意愿關(guān)系失調(diào),購置意愿正向決定購置行為。農(nóng)業(yè)生產(chǎn)經(jīng)營主體的個性特征影響各不相同,其中,身份和經(jīng)營規(guī)模顯著影響購置意愿,但影響程度不高;文化程度和年齡影響不顯著,不是關(guān)鍵影響因素。
基于上述結(jié)論,為推動農(nóng)業(yè)經(jīng)營主體購置綠色生產(chǎn)機(jī)械,助力農(nóng)業(yè)綠色發(fā)展,應(yīng)從以下幾個方面開展工作:
1)完善土地流轉(zhuǎn)、農(nóng)民合作相關(guān)補(bǔ)貼與資助政策,推動新型農(nóng)業(yè)經(jīng)營主體形成;完善新型農(nóng)業(yè)經(jīng)營主體培訓(xùn)體系,融入綠色生產(chǎn)機(jī)械使用內(nèi)容,提升農(nóng)業(yè)經(jīng)營主體使用綠色生產(chǎn)機(jī)械能力,培育綠色生產(chǎn)機(jī)械購置與使用主體。
2)發(fā)揮村級組織和村干部的作用,強(qiáng)化農(nóng)業(yè)綠色發(fā)展和綠色生產(chǎn)宣傳,推動農(nóng)村社會綠色生產(chǎn)氛圍營造,發(fā)揮農(nóng)村社會規(guī)范對綠色生產(chǎn)機(jī)械購置行為的影響;樹立農(nóng)業(yè)綠色生產(chǎn)典型示范,發(fā)揮示范引領(lǐng)和帶動作用,推動農(nóng)業(yè)綠色生產(chǎn)機(jī)械購置與使用。
3)完善農(nóng)機(jī)購置補(bǔ)貼政策,強(qiáng)化綠色生態(tài)導(dǎo)向,科學(xué)設(shè)計(jì)綠色生產(chǎn)機(jī)械裝備補(bǔ)貼目錄、補(bǔ)貼形式和補(bǔ)貼額度,對經(jīng)濟(jì)效益、社會效益、生態(tài)效益影響不同的農(nóng)業(yè)機(jī)械裝備,進(jìn)行差別化補(bǔ)貼政策安排,提高農(nóng)業(yè)經(jīng)營主體購置綠色生產(chǎn)機(jī)械的經(jīng)濟(jì)能力和投入產(chǎn)出效益。
4)鼓勵土地規(guī)模經(jīng)營,適度擴(kuò)大生產(chǎn)規(guī)模,為綠色生產(chǎn)機(jī)械使用創(chuàng)造條件;完善農(nóng)業(yè)綠色產(chǎn)品認(rèn)證制度,強(qiáng)化綠色產(chǎn)品標(biāo)準(zhǔn)化生產(chǎn)過程管理,規(guī)范綠色機(jī)械產(chǎn)品市場和價(jià)格,消除行為態(tài)度與購置意愿失調(diào)現(xiàn)象,形成農(nóng)業(yè)生產(chǎn)經(jīng)營主體購置綠色生產(chǎn)機(jī)械的有效需求。
5)面向農(nóng)業(yè)綠色生產(chǎn)實(shí)際,完善稅收與補(bǔ)貼政策,推動農(nóng)業(yè)機(jī)械產(chǎn)學(xué)研合作,提升廠商的研發(fā)能力,提高綠色生產(chǎn)機(jī)械的質(zhì)量、可靠性與可操作性,方便農(nóng)業(yè)生產(chǎn)經(jīng)營主體使用和控制,形成農(nóng)業(yè)綠色生產(chǎn)機(jī)械的有效供給,提升綠色生產(chǎn)機(jī)械的吸引力。
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Purchase behavior of agricultural green production machinery based on different agricultural operation entities
Zhang Zhaotong, Xiong Yanhua, Li Yingzhuo, Peng Lu
(,,,211800,)
Green development has been a pressing requirement to the practical need of agricultural development in the national strategy. Green production machinery has also been one of the most important parts of agricultural green development. Therefore, the purchase and application of green production machinery have become a realistic activity in modern agriculture in recent years. However, there was an outstandingly insufficient matching between the purchase and use of agricultural green production machinery in practice. It is thus necessary to explore the purchase intention and behavior of agricultural operation entities, thereby promoting the application of green production machinery. Particularly, the existing research was mostly focused on the purchase of traditional agricultural machinery, rather than green production machinery. In this study, a theoretical framework was constructed to determine the purchase intention and behavior of green production machinery using different agricultural operation entities, according to the theory of planned behavior (TPB). Six theoretical hypotheses were also proposed in terms of the relationships between the purchase intention and the personality characteristics of agricultural operation entities, attitude toward behavior, subjective norms, perceived behavior control, as well as the relationship between purchase intention and purchase behavior. A structural equation was then established for the purchase behavior of green production machinery. Several economically developed regions in Jiangsu Province of China were selected as sample areas, and the social survey data was collected by means of questionnaire distribution, symposium, and household survey. The reliability and validity of the model were verified, as well as the theoretical hypotheses using AMOS software. The results support five hypotheses, but one hypothesis was rejected, namely, the relationship between attitude toward behavior and purchase intention. Among them, the intention of agricultural operation entities to purchase agricultural green production machinery was most affected by subjective norms, where the path coefficient was 0.5. The Followed was the perceived behavior control, where the path coefficient was 0.434. It was found that the relationship between the attitude toward behavior and purchase intention was maladjusted as a path coefficient of -0.208. There was a significant positive relationship between purchase intention and purchase behavior, where the path coefficient was 0.693. All the relationships above passed the 1% significance test. In addition, the personality characteristics of agricultural operation entities presented the different effects on the purchase intention. Specifically, the identity and operation scale presented a significant but small effect on the purchase intention, which were 0.146 and 0.053, respectively. The education level and age showed no significant effect on the purchase intention. Consequently, the theoretical framework and structural equation can be widely expected to explain the characteristics and influential factors of purchase behavior for the green production machinery in the agricultural operators. Some suggestions were also made to further strengthen the publicity of green production in a social atmosphere of green production, in order to guide the restrictive role of social norms. More importantly, it is necessary to improve the subsidy policy and guidance for the purchase of agricultural machinery, to encourage large-scale land operation, and to enhance the actual demand of agricultural production and operation entities for purchasing green production machinery. Moreover, it also requires the R & D capacity of manufacturers and the effective supply of agricultural green production machinery. The final goal is to achieve more and better use of agricultural green production machinery.
agricultural machinery; behavior; SEM; green production machinery; theory of planned behavior; agricultural operation entities
2021-07-09
2021-12-01
國家社科基金一般項(xiàng)目(20BGL168)
張兆同,博士,教授,研究方向?yàn)檗r(nóng)機(jī)化發(fā)展。Email:zzt5176@qq.com
10.11975/j.issn.1002-6819.2021.24.006
F323.3
A
1002-6819(2021)-24-0046-10
張兆同,熊燕華,李穎卓,等. 基于不同農(nóng)業(yè)經(jīng)營主體的農(nóng)業(yè)綠色生產(chǎn)機(jī)械購置行為[J]. 農(nóng)業(yè)工程學(xué)報(bào),2021,37(24):46-55. doi:10.11975/j.issn.1002-6819.2021.24.006 http://www.tcsae.org
Zhang Zhaotong, Xiong Yanhua, Li Yingzhuo, et al. Purchase behavior of agricultural green production machinery based on different agricultural operation entities[J]. Transactions of the Chinese Society of Agricultural Engineering (Transactions of the CSAE), 2021, 37(24): 46-55. (in Chinese with English abstract) doi:10.11975/j.issn.1002-6819.2021.24.006 http://www.tcsae.org