The objective of this paper is to analyze whether successful environmental policies spread across geographical space. We examine the existence of such environmental spatial policy spillovers using the example of wastewater treatment in Mexican municipalities. Untreated wastewater is a key...

We study the effect of international trade and freeness of trade on interregional inequality within countries. While most studies focus on single countries and only some use a small panel of countries, we use the two largest databases available to examine these issues. One database is provided...