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This study has estimated the technical efficiency of Non-BT cotton and BT cotton production in Pakistan. Those farmers were selected as the respondents for the study that used to cultivate Non-BT cotton and BT cotton varieties. In Pakistan, the NonBT cotton varieties have been promptly substituted with the BT-cotton varieties. This substitution of imported BT-cotton seed is taking into account without considering the local environmental conditions of Pakistan. Thus the main objective of the research was on the comparative efficiency and the productivity analysis of BT-Cotton varieties with those of the conventional non-BT-Cotton varieties. The population of this research covers the area of Rahim Yar Khan of Pakistan. Two hundred and fifteen farms were selected from each of the NonBT-cotton farms and BT-cotton farms. The Cobb-Douglas Stochastic Frontier Analysis (SFA) has been employed to determine the technical efficiency of these growers. Technical efficiency has been found dissimilar under both the situations. The estimated mean technical efficiency of NonBT cotton farmers has been found to be 0.70, and 0.90 is the technical efficiency found in that of the BT cotton farmers. Hence the average output of Non-BT cotton and BT-cotton farms could be increased by 30 and 10 percent, respectively by adopting the technology with an appropriate approach. The results of the inefficiency model reveal that the factors like education, experience and distance from the main market, are the most influential determinants of the technical efficiency in both NonBT and BT-cotton farms. Extension of cotton production required the development of cottonseed that will be suitable for environmental conditions of Pakistan. [ABSTRACT FROM AUTHOR]

The study was conducted to estimate the major determinants of farm income and technical efficiency in the districts of Bahawalpur and Rahim Yar Khan, Punjab, Pakistan during 2011-12. Data were collected from 201 farm managers using random sampling technique. For the estimation purpose, Stochastic Frontier Cobb Douglas production function was employed. The estimated result of technical efficiency was approximately 65 percent. It showed that on average farm managers are 65 percent efficient in managing farm income and there is still a room for increasing 35 percent farm income by fetching improvement in efficiency. The key farm specific factor that had negative impact on the farm income and efficiency was low prices of farm output relative to the prices of inputs. On the other side of the picture, farm markets' mechanism is quite poor and farmers are not getting due prices of farm output. There is mounting need of bringing development in the rural infrastructure by generating educational and technological facilities in rural areas, we can make farm manager more competitive in achieving new growth opportunities in agriculture sector. [ABSTRACT FROM AUTHOR]