El-Osta, Hisham S.; Mishra, Ashok K. - Agricultural and Applied Economics Association - AAEA - 2001
A Heckman's two-stage method is used in conjunction with data from the 1998 Agricultural Resource Management Study to estimate the likelihood of adopting a variable rate application technology (VRT) and the impact of such adoption on the per-acre costs of fertilizers and lime in cash grain...