We analyse trade between countries of the Council of Mutual Economic Assistance in Eastern Europe between 1950 and 1990. Despite central planning and political motivation of the CMEA, we show that trade could be explained by standard demand factors surprisingly well. Moreover, we document that...

Cultural factors and especially common languages are well-known determinants of trade. By contrast, the knowledge of foreign languages was not explored in the literature so far. We combine traditional gravity models with data on fluency in the main languages used in EU and candidate countries....