Supermarkets are gaining ground in the agri-food systems of many developing countries. While recent research has analyzed income effects in the small farm sector, impacts on productivity and efficiency have hardly been studied. We use a meta-frontier approach and combine this with propensity...

The purpose of this study is to investigate regional differences in the business characteristics of Japanese agricultural cooperatives (JAs), which have been widely criticized for depending on non-agricultural activities, contradictory to cooperative principles. We construct a panel data set...

The purpose of this study is to evaluate and compare the efficiency of healthcare systems among 28 countries around the world by applying the data envelopment analysis (DEA) method. Two output variables are used: life expectancy at birth and infant mortality rate. Four input variables are used:...