Evaluating Adoption Impacts To examine the impacts of adoption on yields, pesticide use and returns we need to control for other factors like input and output prices,weather/infestation levels,farm size,managerial ability,and other production practices. To do this we use an econometric model. ●●a ●●● ●●●Evaluating Adoption Impacts ♦ To examine the impacts of adoption on yields, pesticide use and returns we need to control for other factors like input and output prices, weather/infestation levels, farm size, managerial ability, and other production practices. ♦ To do this we use an econometric model