【摘要】：本文首先基于2013年國家花生產(chǎn)業(yè)體系對花生種植戶的問卷調(diào)查數(shù)據(jù),對應(yīng)用花生新品種所帶來的經(jīng)濟(jì)效益的變化進(jìn)行了研究分析,發(fā)現(xiàn)應(yīng)用花生新品種的種植戶花生收益相對較高。利用隨機(jī)前沿模型測度比較發(fā)現(xiàn)應(yīng)用花生新品種的樣本種植戶的技術(shù)效率要明顯高于應(yīng)用花生老品種的;在效率損失模型中,應(yīng)用花生新品種對種植戶生產(chǎn)水平的提高有顯著的促進(jìn)作用。本文通過建立VES生產(chǎn)函數(shù)模型計(jì)算發(fā)現(xiàn)應(yīng)用花生新品種的種植戶相較于應(yīng)用老品種的種植戶,在相同的資本與勞動投入下,花生產(chǎn)量有所增加,生產(chǎn)前沿面擴(kuò)大;并利用資本與勞動邊際生產(chǎn)率的變化,證明應(yīng)用花生新品種能夠給花生種植戶帶來非中性的勞動節(jié)約型技術(shù)進(jìn)步。隨后構(gòu)建超越對數(shù)生產(chǎn)函數(shù),比較分析了兩組種植戶在花生生產(chǎn)過程中種子、化肥、勞動力等投入要素的產(chǎn)出彈性,以及這些投入要素之間的替代彈性。發(fā)現(xiàn)應(yīng)用花生新品種提高了種植戶大部分投入要素的產(chǎn)出彈性,并使得化肥投入對勞動力投入由替代關(guān)系轉(zhuǎn)變?yōu)榛パa(bǔ)關(guān)系。在應(yīng)用花生新品種后,機(jī)械對其它投入要素的替代彈性值均有所增加;在普及花生新品種的同時(shí),加大機(jī)械及相關(guān)技術(shù)設(shè)施的投入,會對勞動力產(chǎn)生明顯的替代。此外其他要素投入之間的替代彈性值也均發(fā)生了不同程度的變化,說明應(yīng)用花生新品種在—定程度上起到了合理配置花生生產(chǎn)要素投入的作用。在本文研究的基礎(chǔ)上,對于推進(jìn)花生新品種的普及提出—系列對策建議。
[Abstract]:Based on the questionnaire survey data of peanut growers conducted by the National Peanut Industry system in 2013, this paper studies and analyzes the changes of economic benefits brought by the application of new peanut varieties. It was found that peanut farmers with new peanut varieties had relatively higher peanut income. Compared with the random frontier model, it is found that the technical efficiency of the sample growers using the new peanut varieties is significantly higher than that of the old peanut varieties, and in the efficiency loss model, The application of new peanut varieties can significantly promote the improvement of farmers' production level. Through the calculation of VES production function model, it is found that the peanut yield increases and the production frontier expands under the same capital and labor input compared with the old varieties. By using the change of capital and labor marginal productivity, it is proved that the application of new peanut varieties can bring non-neutral labor-saving technological progress to peanut growers. Then, the output elasticity of seed, chemical fertilizer, labor force and the substitution elasticity between the two groups of growers in peanut production process were compared and analyzed by constructing a logarithmic production function. It is found that the application of new peanut varieties can improve the output elasticity of most input elements of farmers and change the input of chemical fertilizer to labor input from substitution relationship to complementary relationship. After the application of new peanut varieties, the value of substitution elasticity of machinery to other input elements has been increased, while popularizing new peanut varieties, increasing the input of machinery and related technical facilities will obviously replace the labor force. In addition, the value of substitution elasticity among other factors also changed in different degrees, indicating that the application of new peanut varieties played a role in rational allocation of peanut production factor input in a certain degree. On the basis of the research in this paper, a series of countermeasures and suggestions are put forward to promote the popularization of new peanut varieties.
【學(xué)位授予單位】：南京農(nóng)業(yè)大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：F224;F326.12

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