In this paper we argue that different preferences in a decentralized system lead to under provision of public goods. We analyze the provision of public primary education in nineteenth-century Prussia which was characterized by a linguistically polarized society and a decentralized education...

Gravity models of international trade have been frequently applied to estimate the impact of common (official or spoken) language on bilateral trade. This study provides a meta-analysis based on 701 language effects collected from 81 academic articles. On average, a common (official or spoken)...