Social interactions are considered pivotal to agglomeration economies. We explore a unique dataset on mobile phone calls to examine how distance and population density shape the structure of social interactions. Exploiting an exogenous change in travel times, we show that distance is highly...

A cross-sectional relationship between price dispersion among Russian regions and per capita income dispersion is used to measure the degree of integration between regional commodity markets. The sequence of cross-sectional estimations for each month of the period spanning 1992 through 2000...

This paper examines the impact of floods on firms' capital accumulation, employment growth and productivity by using a difference-in-difference approach and considering firms' asset structure. We find evidence that companies in flooding regions show higher growth of total assets and employment...

In this paper we find evidence that the new economic geography approach is able to describe and explain the spatial characteristics of an economy, in our case the German economy. Using German district data we estimate the structural parameters of a new economic geography model as developed by...

Recent studies of border effects have focused on the intra-country and inter-country comparison of trade flows. It is found that borders have a negative impact on the size of cross-border trade. In order to estimate border effects on a regional level one needs not only data on inter-country but...

In many situations the applied researcher wants to combine different data sources without knowing the exact link and merging rule. This paper introduces a theoretical framework how two different regional administrative data sources can be merged. It presents different merging schemes based on...

Our research, based on the ZEW-Foundation Panel East, examines whether high-tech start-ups are mainly founded in scientific and infrastructural well suited regions or not. Estimation results on the level of postcode areas confirm the hypothesis that specific human capital, knowledge spillovers...

We analyze the effect of industry, region and time on new-business survival rates by means of a multi-dimensional approach. The data relate to West German districts in the 1983-2000 period. The survival chances of start-ups tend to be relatively low in industries characterized by a high minimum...

In diesem Beitrag werden die Auswirkungen sektoraler, regionaler sowie betrieblicher Determinanten auf das Scheitern junger Betriebe mit Hilfe eines ökonometrischen Überlebensdauer-Ansatzes analysiert. Dabei findet ein accelerated failure time model mit zugrunde liegender log-logistischer...

Financial constraints affecting new firms are some of the factors most cited for impeding entrepreneurial dynamics from flourishing. This article introduces the problem of regional patterns of financial constraints. The research is conducted with regard to the French regions and the new French...