Genesis, governance, and efficiency of farmer cooperatives in China 并列题名：Genesis, governance, and efficiency of farmer cooperatives in China Development and role of farmers' cooperatives in China membership heterogeneity and growth path of farmers' cooperatives in China 并列题名：Development and role of farmers' cooperatives in China Institutional Analysis on Farmer Cooperatives in China Study on green efficiency of water resources in China Cost-Benefit and efficiency of broiler production in China Development of farmer cooperative in China Research on mechanism and efficiency of mobile payment market in China