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Citation: Mc. Marra et al., Information quality, technology depreciation, and Bt cotton adoption in the Southeast, J AGR RESOU, 26(1), 2001, pp. 158-175

Authors: Alston, JM Marra, MC Pardey, PG Wyatt, TJ

Citation: Jm. Alston et al., Research returns redux: a meta-analysis of the returns to agricultural R&D, AUST J A R, 44(2), 2000, pp. 185-215

Authors: Marra, MC Kaval, P

Citation: Mc. Marra et P. Kaval, The relative profitability of sustainable grain cropping systems: a meta-analytic comparison, J SUST AGR, 16(4), 2000, pp. 19-32

Authors: Hubbell, BJ Marra, MC Carlson, GA

Citation: Bj. Hubbell et al., Estimating the demand for a new technology: Bt cotton and insecticide policies, AM J AGR EC, 82(1), 2000, pp. 118-132