JT03319905 Complete document available on OLIS in its original format This document and any map included herein are without prejudice to the status of or sovereignty over any territory, to the delimitation of international frontiers and boundaries and to the name of any territory, city or area.

Large variation in the estimated income premium of occupational licensing can be found in the existing literature. I revisit the natural experimental design of a change in the German crafts regulation in 2004, which removed the traditional licensing requirement for self-employment in certain trades, using official survey data and difference-in-differences estimation. Previous studies of this deregulation have found significant, yet small effects on the incomes of employees in deregulated trades. I focus on the incomes of the self-employed and find no robust effects. Multiple channels through which occupational licensing may affect incomes such as price and quality competition in the regulated market and possible competitive pressure from outsiders are identified, which may also explain why the effects of occupational licensing on incomes appear to be context-specific.

Decentralisation and economic growth Part 3: Decentralisation, infrastructure investment and educational performance Theories of fiscal competition between jurisdictions suggest that investment in productive relative to consumptive spending is higher in a decentralised setting, and that efficiency of the public sector is also higher. This paper empirically analyses the link between decentralisation and the composition of public spending as well as the relation between decentralisation and educational performance. The results suggest that fiscal decentralisation increases the share of public funds directed to capital spending and that the bulk of this shift is due to higher education spending. Using an education production function approach and PISA results (Programme of International Student Assessment) as an indicator of educational output, the results suggest that educational performance is significantly higher in decentralised countries, even when controlling for spending and other variables affecting education. A 10% point increase in decentralisation increases educational performance by four PISA points, thereby improving the PISA ranking by around four country positions on average. Decentralisation to lower government levels and decentralisation to the school level (school autonomy) have a similar impact on educational performance.

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Voluntary certification systems potentially reduce search costs in markets with imperfect information. Service markets with many heterogeneous firms – such as the crafts market – are prone to information imperfections and can therefore potentially benefit from such informational mechanisms. We examine if the Meister qualification in the German crafts sector improves service quality as perceived by consumers. We find a significant and positive relationship between the Meister title and consumer ratings and conclude that the certificate is a credible sign of quality.