China has an estimated 120-150 million internal migrants from the countryside living in its cities. These people are the engine that has been driving China’s high rate of economic growth. However, until recently, little or no attention has been given to the establishment of a social protection...

Studies in the economics of crime literature have reached mixed conclusions on the deterrence hypothesis. One explanation that has been offered for the failure to find evidence of a deterrent effect in the long run is the natural rate of crime. This article applies univariate unit root tests to...