SEQUENTIAL LABOR DECISIONS UNDER UNCERTAINTY: AN ESTIMABLE HOUSEHOLD MODEL OF WEST-AFRICAN FARMERS

This paper reports estimates of the primitive parameters of a stochastic control model describing the labor decisions of West African small farmers. Maximum likelihood estimates are computed although optimal labor decision rules cannot be derived analytically. Vuong's non-nested model specification test shows that this method yields estimates superior to those derived by assuming that farmers solve a deterministic control problem. Low levels of labor effort are shown to be a consequence of low labor productivity in archaic rain-fed agriculture and of farmers' awareness that, in the absence of a labor market, overly ambitious production plans lead to seasonal manpower shortages. Copyright 1993 by The Econometric Society.

[1]  John A. Nelder,et al.  A Simplex Method for Function Minimization , 1965, Comput. J..

[2]  Patricia M. Kristjanson,et al.  On the role of information in decision making: The case of sorghum yield in Burkina Faso , 1991 .

[3]  Bronwyn H Hall,et al.  Estimation and Inference in Nonlinear Structural Models , 1974 .

[4]  Nancy L. Stokey,et al.  Recursive methods in economic dynamics , 1989 .

[5]  Q. Vuong.  Likelihood Ratio Tests for Model Selection and Non-Nested Hypotheses , 1989 .

[6]  John McIntire,et al.  Behavioral and Material Determinants of Production Relations in Land-Abundant Tropical Agriculture , 1987, Economic Development and Cultural Change.

[7]  Larry G. Epstein.  A DISAGGREGATE ANALYSIS OF CONSUMER CHOICE UNDER UNCERTAINTY , 1975 .

[8]  G. Judge,et al.  The Theory and Practice of Econometrics , 1981 .

[9]  M. Carter.  Risk, Reciprocity and Conditional Self-Insurance in the Sahel: Measurement and Implications for the Trajectory of Agricultural Development in West Africa , 1991 .

[10]  C. Udry.  Risk, Insurance and Default in a Rural Credit Market: An Empirical Investigation in Northern Nigeria , 1991 .

[11]  P. Davis,et al.  Methods of Numerical Integration , 1985 .

[12]  John H. Cleave,et al.  African Farmers : Labor Use in the Development of Smallholder Agriculture , 1974 .

[13]  P. Matlon.  Local varieties, planting strategies and early season farming activities in two villages of Central Upper Volta , 1980 .

[14]  Kendall E. Atkinson.  An introduction to numerical analysis , 1978 .

[15]  K. Wolpin.  An Estimable Dynamic Stochastic Model of Fertility and Child Mortality , 1984, Journal of Political Economy.

[16]  Yves Coffi. Prudencio.  A VILLAGE STUDY OF SOIL FERTILITY MANAGEMENT AND FOOD CROP PRODUCTION IN UPPER VOLTA - TECHNICAL AND ECONOMIC ANALYSIS. , 1983 .

[17]  Leonard J. Mirman,et al.  Risk aversion with many commodities , 1974 .

[18]  L. Hansen,et al.  Generalized Instrumental Variables Estimation of Nonlinear Rational Expectations Models , 1982 .

[19]  S. Turnovsky.  Optimal Stabilization Policies for Stochastic Linear Systems: The Case of Correlated Multiplicative and Additive Disturbances , 1976 .

[20]  John Rust.  Optimal Replacement of GMC Bus Engines: An Empirical Model of Harold Zurcher , 1987 .

[21]  Philip E. Gill,et al.  Practical optimization , 1981 .

[22]  D. Pollard,et al.  Simulation and the Asymptotics of Optimization Estimators , 1989 .

[23]  M. J. Hartley.  Econometric Methods for Agricultural Supply under Uncertainty: Fertilizer Use and Crop Response , 1983 .

[24]  D. McFadden.  A Method of Simulated Moments for Estimation of Discrete Response Models Without Numerical Integration , 1989 .

[25]  Carl K. Eicher,et al.  Research on Agricultural Development in Sub-Saharan Africa: A Critical Survey , 1982 .

[26]  T. Reardon,et al.  Determinants and effects of income diversification amongst farm households in Burkina Faso , 1991 .

[27]  J. Stiglitz,et al.  Increases in risk and in risk aversion , 1974 .

[28]  T. Reardon,et al.  Coping with household-level food insecurity in drought-affected areas of Burkina Faso , 1988 .