There is a debate about the labor market concentration being behind the anemic development of US wages over the past decades. The absence of exogenous variations for causal inference complicates this debate. Here, data from other countries can help. I exploit a variation from a quasi-natural...

Institutions take essential roles in the organization of social life. Ranging from institutionalized informal practices to strict laws and regulations and various public and private organizations, institutions have diffused to day- to- day activities. In this way they do not only regulate social...

The economic and social importance of administrative borders can be examined from the point of view of internal homogeneity and external heterogeneity of the delimited spatial units and from the point of view of the effect on the intensity of spatial interactions. This paper deals with the first...

The abolishment of passport and any other type of border controls at the German-Polish and German-Czech border in December 2007 provoked public concerns that open border would increase cross-border crime. Despite these widespread concerns, there is still little research on whether the public...