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首页> 外文期刊>Agricultural Economics Research Review >Technical Change and Efficiency of Rice Production in India: A Malmquist Total Factor Productivity Approach
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Technical Change and Efficiency of Rice Production in India: A Malmquist Total Factor Productivity Approach

机译：印度大米的技术变化和生产效率：Malmquist全要素生产率方法

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摘要

This paper has studied the trends in the total factor productivity (TFP) growth of rice in India for the period 1980-81 to 2009-10 and has decomposed the TFP growth into its constituent components, viz. change in technical progress and technical efficiency. The study has used Malmquist Productivity Index approach through data envelopment analysis to estimate the TFP. The analysis has also been carried out for two sub-periods, viz. 1980-81 to 1994-95 (period I) and 1995-96 to 2009-10 (period II) as well. For the overall period, the TFP change has been at a moderate rate of 0.2 per cent per year, with large interstate variations. The positive TFP growth has been associated with a mean technical progress of 0.3 per cent and a deterioration of the meantechnical efficiency by -0.1 per cent per year. Across the states, Andhra Pradesh, Punjab, Tamil Nadu and Uttar Pradesh have exhibited positive TFP growths during the overall period. The revival of the mean TFP to the level of 1.8 per cent per year during period II has mainly been effected by the positive technical change during this period. However, a matter of concern is the decline in technical efficiency. It is also observed that over the years the less-progressive states with respect to TFP growthduring the period-I have caught up with the progressive states, mainly propelled by high rate of technical progress. The study has identified that during period-II the share of current and capital inputs in total cost of cultivation has reduced and inputintensification has slowed down. The results have revealed that the recent yield stagnation in rice is not due to technology fatigue, but could be due to the sluggish input intensification. The study calls for policy initiatives for strengthening investments on research and extension for furthering fhe TFP growth and steps for sustainable input intensification.
机译：本文研究了1980-81年至2009-10年间印度大米全要素生产率（TFP）增长的趋势，并将TFP增长分解为其组成部分，即。技术进步和技术效率的变化。该研究通过数据包络分析使用了Malmquist生产率指数方法来估计TFP。还针对两个子时期进行了分析。 1980-81年至1994-95年（第一期）和1995-96年至2009-10年（第二期）。在整个期间，全要素生产率的变化每年以0.2％的中等速度变化，州际差异很大。全要素生产率的正增长与平均技术进步0.3％和平均技术效率每年下降-0.1％有关。在整个州中，安得拉邦，旁遮普邦，泰米尔纳德邦和北方邦在整个时期内均显示出全要素生产率的正增长。在第二阶段，平均全要素生产率恢复到每年1.8％的水平主要是由于这一时期积极的技术变革所致。但是，令人关注的是技术效率的下降。还可以观察到，多年来，在此期间，相对于全要素生产率增长而言，进步程度较小的国家已经赶上了进步状态，这主要是由于技术进步率很高。研究表明，在第二阶段，当前和资本投入在种植总成本中所占的份额已经减少，投入的集约化速度有所放缓。结果表明，近期水稻单产停滞不是由于技术疲劳，而是由于投入强度下降。该研究呼吁采取政策举措，以加强对研究和推广的投资，以促进全要素生产率的增长，并采取步骤加强可持续投入。

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