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- Respectively Graduate Research Assistant, Department of Agricultural Economics, Ohio State University; Graduate Teaching Associate, Department of Economics, Ohio State University; Professor, Department of Agricultural Economics, Ohio State University: Principal Policy Analyst, Development Bank of Southern Africa: and Chair of the Department of Agricultural Economics, University of Stellenbosch. The authors are grateful to Simon Mpele and Dudley Homer of the South African Labour and Development Research Unit at the University of Cape Town for providing access to household survey data.