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Behavior of subsistence producers in response to technological change- The elasticity of cassava production and home consumption in Benin AgEcon
Takeshima, Hiroyuki.
The welfare effects of GM (genetic modification)-led productivity growth for cassava producers are partly affected by the characteristics of individual cassava producing households. Those household characteristics include the elasticity of production and home consumption of cassava. Some studies assume the inelastic home consumption when conducting ex-ante welfare effects analysis for subsistence crops. This study modifies the estimation methods used in the past literature to estimate both elasticities using the dataset from Benin. Several assumptions are also tested regarding the heterogeneity of cassava producers. On estimation of elasticities, the paper tests the hypothesis that on-farm sellers are characteristically different from off-farm sellers by...
Tipo: Conference Paper or Presentation Palavras-chave: Cassava; Subsistence; Double-hurdle; Non-nested test; Crop Production/Industries; Research and Development/Tech Change/Emerging Technologies; Q11; Q12.
Ano: 2008 URL: http://purl.umn.edu/6108
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A DOUBLE-HURDLE MODEL OF FOOD DEMAND WITH ENDOGENOUS UNIT VALUES AgEcon
Dong, Diansheng; Gould, Brian W..
This study develops a unique double-hurdle model of demand for composite food commodities which endogenizes unit values. The model structure allows us to account for the inability to observe such values for non-purchasing households and simultaneously adjusts for quality demand effects reflected in these unit values. Application to Mexican household food expenditure data shows the importance of controlling for the quality of composite goods. We find that poultry and pork expenditures depend on both quantity demanded and quality desired.
Tipo: Conference Paper or Presentation Palavras-chave: Double-hurdle; Unit value; Household survey data; Composite commodity; Food demand; Quality effects; Consumer/Household Economics; Demand and Price Analysis.
Ano: 1999 URL: http://purl.umn.edu/21635
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The Impact of Access to Credit on the Adoption of hybrid maize in Malawi: An Empirical test of an Agricultural Household Model under credit market failure AgEcon
Simtowe, Franklin; Zeller, Manfred.
Guided by the frame work of a household model under credit market failure, this paper aims at investigating the impact of access to credit on the adoption of hybrid maize among households that vary in their credit constraints. The data used in the study is from Malawi collected by the International Food Policy Research Institute (IFPRI).Using the direct elicitation approach; households are classified into constrained and unconstrained regimes. The impact of access to credit is estimated using a switching regression in a Double-Hurdle model. Results reveal that while access to credit increases adoption among credit constrained households, it has no effect among unconstrained households. Results also show that factors that affect adoption among credit...
Tipo: Conference Paper or Presentation Palavras-chave: Credit constraints; Double-hurdle; Hybrid maize; Adoption; Malawi; Agricultural and Food Policy; Agricultural Finance; Demand and Price Analysis; Environmental Economics and Policy; Farm Management; Food Consumption/Nutrition/Food Safety; Food Security and Poverty; International Relations/Trade; Labor and Human Capital; Marketing; Productivity Analysis; Research and Development/Tech Change/Emerging Technologies; Resource /Energy Economics and Policy.
Ano: 2008 URL: http://purl.umn.edu/52076
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