Kuosmanen, Timo; Pemsl, Diemuth; Wesseler, Justus - In: American Journal of Agricultural Economics 88 (2006) 2, pp. 499-511
Productivity assessment of damage control inputs (such as pesticides) is complicated because their effect depends on the exposure to damage agents (such as pests). We discuss some open specification and estimation issues. The contribution is threefold. First, we elaborate the separability...