Authors: Hopkins, JW Lal, R Wiebe, KD Tweeten, LG

Citation: Jw. Hopkins et al., Dynamic economic management of soil erosion, nutrient depletion, and productivity in the north central USA, LAND DEGR D, 12(4), 2001, pp. 305-318

Authors: Makki, SS Tweeten, LG Miranda, MJ

Citation: Ss. Makki et al., Storage-trade interactions under uncertainty - Implications for food security, J POLICY M, 23(2), 2001, pp. 127-140

Authors: Makki, SS Tweeten, LG Thraen, CS

Citation: Ss. Makki et al., Investing in research and education versus commodity programs: Implications for agricultural productivity, J PROD ANAL, 12(1), 1999, pp. 77-94

Authors: Makki, SS Thraen, CS Tweeten, LG

Citation: Ss. Makki et al., Returns to American agricultural research: Results from a cointegration model, J POLICY M, 21(2), 1999, pp. 185-211