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Inge van den Bijgaart (Utrecht University School of Economics)
Toulouse : TSE, 12 septembre 2022, 11h00–12h15, salle T 430
Green innovation is essential for climate change mitigation, but not all innovative projects deliver equal social value. We consider innovator heterogeneity in a model where the policy maker cannot observe innovation quality and directly subsidize the socially most valuable green innovations. We nd...
Joel Waldfogel (University of Minnesota and NBER)
6 septembre 2022, 14h00–15h00, Zoom Meeting
Using data on 4.1 million apps at the Google Play Store from 2016 to 2019, we document that GDPR induced the exit of about a third of available apps; and in the quarters following implementation, entry of new apps fell by half. We estimate a structural model of demand and entry in the app market....
Simon Mayer
6 septembre 2022
We model the dynamic competition among national fiat currencies, cryptocurrencies, and Central Bank Digital Currencies (CBDCs), whereby a country’s fiscal strength and currency strength are mutually reinforcing. The rise of cryptocurrencies hurts stronger fiat currencies, but can benefit weaker...
Gaston Chaumont
29 août 2022, 11h30–12h30, salle 4 espace Conference & Online
We propose a model of sovereign default where investors trade bonds and credit default swaps (CDS) contracts of a country, with both assets being traded over the counter. We model the over-the-counter market with directed search, where dealers post the terms of trade and investors choose which...
TSE Building, 25–26 août 2022
Ulrich Laitenberger (Telecom Paris, Institut Polytechnique de Paris)
26 juillet 2022, 14h00–15h00, Zoom Meeting
We study seller and product recommendations of the hybrid e-commerce platform Amazon. Using web-scraped data, we find that Amazon makes the visibility of offers of third-party suppliers in the "buybox" dependent on prices on competing marketplaces like Walmart and eBay. Amazon’s own offers are...
Leonardo Madio (University of Padova)
12 juillet 2022, 14h00–15h00, Zoom Meeting
We study a platform’s incentives to delist IP-infringing products and the effects of holding the platform liable for the presence of such products on innovation and consumer welfare. The impact of platform liability on innovation can be either positive or negative and critically depends on the...
Sevilla, 8 juillet 2022
TSE, 7–8 juillet 2022, salle Auditorium 6
Germain Gaudin (University of Freiburg)
TSE & IAST, 4 juillet 2022, 12h30–13h30, Auditorium A4
We study the relationship between market power and quality supply. We develop a flexible approach to imperfect competition in product qualities and prices (or quantities), which encompasses several existing models. We uncover sucient statistics, including our quality parameter, which can be...
