The decline in annual rainfall, coupled with the growing demand for water in agricultural fields, triggered a new crisis in today's world. Thus, the focus is on finding solutions to new water resources. Taking a look at the normal daily life, most of the households' effluents can be ranked into...

This study examines whether the relationship between exports and productivity growth differs across firm size. Using panel data from three Sub-Saharan African countries, I use propensity score matching procedure to examine this relationship. This study finds evidence of productivity differences...

This study examines the spatial productivity and efficiency spillovers of Chinese provinces using a spatial Durbin production frontier model that accounts for persistent and transient efficiency using a panel dataset of Chinese provinces from 1985 to 2017. The role of spatial effects is often...