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供應鏈與服務管理系列前沿講座第149期

來源:電子科技大學經濟管理學院 | 2019-11-22 | 發布:經管之家

供應鏈與服務管理系列前沿講座第149期


講座題目:The Impact of Input- vs. Output-based Farm Subsidies on Farmer Welfare and Income Inequality in Developing Economies

主講人: 趙 明 教授

主持人: 潘景銘 教授

時間:2019年11月28日(周四),下午3:00

講座地點:清水河校區,經管樓C101

講座簡介:

To mitigate the farmer poverty and income inequality, many developing countries have introduced subsidy schemes to improve the incomes of farmers. Two commonly observed schemes are the input-based subsidies, which aim to reduce the input purchasing costs of farmers, and the output-based subsidies, which aim to lower farmers' output processing costs. However, the implications of these types of subsidies for farmers' welfare, production efficiency, income inequality, and consumer surplus remain unclear, especially when farmers are heterogeneous in their yield rates. In this paper, we develop a stylized model that captures the yield heterogeneity across farmers who are price takers, in which the government first determines the subsidy scheme and the corresponding subsidy level. Our analysis shows that the two schemes have quite different effects. First, we show that although both types of subsidies can reduce the aggregate income inequality in terms of the Gini coefficient, the input-based subsidy scheme can narrow the income gap between farmers under mild conditions, whereas the output-based scheme always widens this gap. Second, we show that low-yield farmers prefer input-based subsidies, while high-yield farmers prefer output-based subsidies. Lastly, we find that the output-based subsidy scheme outperforms the input-based subsidy scheme in terms of the total farmer income and farmer productivity, while the input-based subsidy scheme is more effective in reducing income inequality and increasing the consumer surplus.

主講人簡介:

趙明,電子科技大學特聘研究員,畢業于香港理工大學,主要從事供應鏈扶貧和醫療運營管理的研究,在Manufacturing and Service Operations Management、 Production and Operations Management等國際頂尖雜志上發表多篇文章,并多次擔任POM、EJOR、Omega、Decision Science、IIE Transactions 等國際期刊的審稿人。

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經濟與管理學院

供應鏈與服務管理研究所

2019年11月22日


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查看原文:http://www.mgmt.uestc.edu.cn/Document/ArticlePage?Id=42411

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