Summary The rise of the East-German economy in the 1950s and 1960s and its decline in the 1970s and 1980s is difficult to explain by neoclassical economics. However; the observed life cycle may be explained by the inclusion of concepts from old and new institutional economics and from functional...

Summary We analyze the spatial interaction among regions in North America and in Western Europe. We use a gravity model extended by a spatial correlation structure where data allows to evaluate the spatial interaction in two dimensions: level of impact and the length of the spatial tail. This...