Age data frequently display excess frequencies at attractive numbers, such as multiples of five. We use this "age heaping" to measure cognitive ability in quantitative reasoning, or "numeracy". We construct a database of age heaping estimates with exceptional geographic and temporal coverage,...

Do empires affect attitudes towards the state long after their demise? We hypothesize that the Habsburg Empire with its localized and well-respected administration increased citizens’ trust in local public services. In several Eastern European countries, communities on both sides of the...