2012 journal article
Measuring science interest: Rasch validation of the science interest survey
International Journal of Science and Mathematics Education, 10(3), 643–668.
2003 journal article
Fertilizer use, risk, and off-farm labor markets in the semi-arid tropics of India
American Journal of Agricultural Economics, 85(2), 359–371.
2003 journal article
Inverse productivity: land quality, labor markets, and measurement error
Journal of Development Economics, 71(1), 71–95.
2002 journal article
A market-forces policy for the new farm economy?
Review of Agricultural Economics, 24(1), 15.
2002 journal article
Weather risk, crop mix, and wealth in the semi-arid tropics
Annual Activity Report of Department of Agricultural and Resource Economics, (25).
2000 journal article
Food crops, exports, and the short-run policy response of agriculture in Africa
Agricultural Economics, 22(3), 271–298.