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This report provides an overview of the relevant economic research literature on platforms or multi-sided online markets. It discusses platforms from a regulatory policy angle, including potential market failures in platforms, the extent of self-regulation and possible regulatory responses...
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-home (marketplaces, app stores, social networks and online advertising). Hence, the appropriate competitive framework is the "competitive …
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valorem sales tax on Web services (so-called Web Tax) that are provided free of charge to users, and produce advertising space …-neutral preferences and Web companies compete in a Cournot-Nash fashion on the advertising market but enjoy monopolistic power in the …
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Computational methods to gauge investor sentiment from commonly used online data sources that rely on machine learning classifiers and lexicons have shown considerable promise, but suffer from measurement and classification errors. In our work, we develop a simple, direct and unambiguous...
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Wie viele Kinder wünschen sich junge Frauen und Männer? Wie hoch ist der Anteil der Haushalte, die für ihre Kinder ein familienergänzendes Betreuungsangebot nutzen? Wie unterstützen sich erwachsene Kinder und ihre Eltern gegenseitig? Die vorliegende Publikation präsentiert die ersten...
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