The Dynamics of Agricultural Biotechnology Adoption: Lessons from rBST Use in Wisconsin, 1994‐2001
利用威斯康星州奶牛场面板数据,分析重组牛生长激素(rBST)的采用动态,区分非采用者、放弃者、早期和晚期采用者的特征,并确认大型农场更可能采用,非采用者不太可能成为采用者。
This article exploits panel data from Wisconsin dairy farmers to examine the dynamics of recombinant bovine somatotropin (rBST) adoption and to identify the characteristics that distinguish among nonadopters, disadopters, and early and late adopters. Panel methods are used to control for omitted variables and endogenous regressors that call into question coefficient estimates derived from cross‐section adoption models. The results, however, confirm previous findings that larger farms with complementary feeding technologies are more likely to adopt rBST, nonadopters appear quite unlikely to become adopters, and rBST adoption will remain at rather moderate levels in Wisconsin.