Measuring pesticide overuse and its determinants: Evidence from Vietnamese rice and fruit farms

Lan Tran, Theodoros Skevas and Laura McCann

Australian Journal of Agricultural and Resource Economics, 2023, vol. 67, issue 3, 417-437

Abstract: Pesticides have long been important for the development of agricultural production. However, improper use of pesticides may result in inefficiency with respect to farm profitability, in addition to external effects of pesticide use on environmental and human health. This paper employs a production function that explicitly accounts for the role of damage abatement inputs (i.e. pesticides) in the production process, to examine the optimal use of pesticides. It then investigates determinants of pesticide overuse versus underuse and the intensity of overuse. The empirical application uses data on Vietnamese rice and fruit farms drawn from the 2016 Vietnamese Household Living Standards Survey. Results show about 95% of farmers overused pesticides for both rice and fruit farming systems. The Mekong Delta, also known as the ‘Rice Bowl’ of Vietnam, has higher levels of overuse on rice farms than two other regions. Overuse intensity is lower for female and poorer rice farmers while intensity is higher for those with more income and more family members. For fruit farms, younger farmers or those with more family members were more likely to overuse versus underuse pesticides.

Date: 2023
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