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Study on Vertical Coordination and Quality Control of Chinese Wolfberry Grower in Ningxia Hui Autonomous Region

Author: LiuQingBo
Tutor: LiuJunChang
School: Beijing Forestry University
Course: Forestry Economics and Management
Keywords: Chinese wolfberry Vertical coordination Unified prevention andcontrol Quality control behavior
CLC: F326.12
Type: PhD thesis
Year: 2013
Downloads: 116
Quote: 0
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Abstract


In this study, the research object is Chinese wolfberry growers in Ningxia; research the effect of their quality control behavior in planting process by the situation of Chinese wolfberry growers participate in vertical coordination and unified prevention and control for pests and diseases. And further research the effect of transaction costs for Chinese wolfberry growers selecting the mode of transaction or vertical coordination. Final, analysis the willingness and related factors of Chinese wolfberry growers participate in closely vertical coordination assumed. And put forward corresponding recommendations according to the conclusions.First of all. we build analytical framework of this study on foundation of the literature review, laid a theoretical foundation for later empirical research by constructing theoretical research model. Then, analyze the situation of quality and problems of the various aspects of Chinese wolfberry industry chain in Ningxia on the investigation and research. And found that the most serious problem is in planting link; which pointed out the direction for the analysis below. And further analysis the main causes in planting link from Chinese wolfberry growers are not appropriate choice and unscientific used pesticides. And then use the investigation data analyzed the situation of the surveyed Chinese wolfberry growers participate in vertical coordination and unified prevention and control for pests and diseases, application of used pesticides and fertilizers behavior, quality control for safe production to technology, as well as the quality control behavior indifferent vertical coordination forms.Secondly, we choose the explanatory variables based on the main reason of quality and safety in planting link; used the OLS model,2SLS model and ordered Logistic regression model, we researched the effect of their quality control behavior in planting process by the situation of Chinese wolfberry growers participate in vertical coordination and unified prevention and control for pests and diseases based on the investigation data.Again, we used the ordered Probit regression model, researched factors for Chinese wolfberry growers selecting the mode of transaction or vertical coordination from transaction costs after found closely vertical coordination could improve the quality of Chinese wolfberry. And further analysis the direct or indirect function of these facts to control the quality of Chinese wolfberry.Finally, we assumed a specific form of closely vertical collaboration by relaxed some places do not have closely vertical coordination; using binary Logistic regression model, the paper analysis the willingness and related factors of Chinese wolfberry growers participate in closely vertical coordination assumed.The main conclusions by empirical Analysis are:(1) It is that vertical collaboration is an effective way to protect the quality and safety of Chinese wolfberry by constructing theoretical models.(2) And found that the most serious problem is in planting link of Chinese wolfberry industry chain in Ningxia; further analysis the main causes in planting link from Chinese wolfberry growers are not appropriate choice and unscientific used pesticides.(3) At present, there is a low proportion of Chinese wolfberry growers to participate in vertical coordination and unified prevention and control for pests and diseases, and the quality control behavior also needs to be further improved; the quality control behavior of Chinese wolfberry growers in closely vertical coordination form is better than in loosely vertical coordination situation.(4) The closer vertical coordination form has more excellent level of quality control of Chinese wolfberry in planting and marketing links of Chinese wolfberry; and the quality control has a good performance that wolfberry growers involved in unified prevention and control for pests and diseases.(5) In order to reduce costs, avoid risks and to obtain reliable market information, transaction costs have a significant impact for wolfberry growers choose vertical coordination form as well as quality control behavior.(6) The Chinese wolfberry growers that wolfberry income account for a large proportion of family gross income and large-scale production are tend to participate in closely vertical coordination; wolfberry growers willing to participate in closely vertical coordination mainly because the advantage of closely vertical coordination which can link markets, and provide technology, financial support and other aspects. Based on the above conclusions, the paper put forward following recommendations to enhance the quality and safety of wolfberry:(1) to enhance production technology training of safe and standardization production;(2) to enhance the regulatory of quality and safety of wolfberry cultivation;(3) support the development of1closely vertical coordination form actively;(4) reduce the transaction costs of vertical coordination and other contract forms.

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CLC: > Economic > Agricultural economy > China 's agricultural economy > Agricultural sector economy > Farming > Economic crops
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