Farm machinery use and maize yields in China: an analysis accounting for selection bias and heterogeneity

Zhou, XS; Ma, WL; Li, GC; Qiu, HG

Li, GC (corresponding author), Huazhong Agr Univ, Coll Econ & Management, Wuhan 430070, Peoples R China.

AUSTRALIAN JOURNAL OF AGRICULTURAL AND RESOURCE ECONOMICS, 2020; 64 (4): 1282