Rice farmers in developing countries need to increase production efficiency in order to meet a growing rice demand. To identify and compare the determinants of rice production efficiency at different stages of economic development, a one-stage stochastic frontier model is applied to a...

There is no internationally accepted definition of an internal migrant. Different surveys and academic papers use varied definitions that are open to subjectivity. Our paper stresses this issue and tests the sensitivity of results obtained by econometric analysis to the use of different defining...