Dieses Buch erläutert fundiert und pragmatisch alle entscheidenden Erfolgsfaktoren des Influencer Marketings IBM sowohl für Unternehmen als auch für Influencer. Marketingprofis erfahren, wie sie Influencer Marketing bestmöglich in ihre Kommunikationsstrategie integrieren, wie sie die...

An emerging economic literature over the past decade has made use of international tests of educational achievement to analyze the determinants and impacts of cognitive skills. The cross-country comparative approach provides a number of unique advantages over national studies: It can exploit...

Summary Cross-country evidence on student achievement might be hampered by omitted country characteristics such as language or legal differences. This paper uses cross-state variation in Germany, whose sixteen states share the same language and legal system, but pursue different education...

This paper develops empirical growth models suitable for dual economies, and studies the relationship between structural change and economic growth. Structural change matters because, if the marginal product of labour varies across sectors, changes in the structure of employment can raise...

This paper provides a documentation of the ifo Prussian Economic History Database (iPEHD), a county-level database covering a rich collection of variables for 19th-century Prussia. The Royal Prussian Statistical Office collected these data in several censuses over the years 1816-1901, with much...