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THE EFFECTS OF CLIMATIC VARIABLES AND CROP AREA ON MAIZE YIELD AND VARIABILITY IN GHANA

Authors
Publisher
Редакция журнала Russian Journal of Agricultural and Socio-Economic Sciences
Publication Date
Keywords
  • Climatic Variables
  • Mean Yield
  • Yield Variability
  • Production Function
  • Fixed Effect Model
  • Panel Data
Disciplines
  • Mathematics

Abstract

Climate change tends to have negative effects on crop yield through its influence on crop production. Understanding the relationship between climatic variables and crop area on the mean and variance of crop yield will facilitate development of appropriate policies to cope with climate change. This paper examines the effects of climatic variables and crop area on the mean and variance of maize yield in Ghana. The Just and Pope stochastic production function using the Cobb-Douglas functional form was employed. The results show that average maize yield is positively related to crop area and negatively related to rainfall and temperature. Furthermore, increase in crop area and temperature will enlarge maize yield variability while rainfall increase will decrease the variability in maize yield.

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