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Pierre Dubois (Toulouse School of Economics) et Malgorzata Majewska
Toulouse : TSE, 5 février 2021, 15h30–17h30, Online
Merger of firms with overlapping market activities reduces price competition that typically raise prices and producers' profits at the expense of immediate consumer welfare but the benefit on long term innovation in markets such as pharmaceuticals. The total welfare trade-off thus depends crucially...
Luigi Zingales (University of Chicago)
26 janvier 2021, 14h00–15h00, Zoom Meeting
We study why high-priced acquisitions of entrants by an incumbent do not necessarily stimulate more innovation and entry in an industry (like that of digital platforms) where customers face switching costs and enjoy network externalities. The prospect of an acquisition by the incumbent platform...
Van Lelyveld (VU Amsterdam)
19 janvier 2021, BDF, Paris, salle Visio
Oren Reshef (Washington University in Saint Louis)
12 janvier 2021, 14h00–15h00, Zoom Meeting
The entry of firms into a platform has an ambiguous effect on the profitabil- ity of incumbent firms’ operating on the platform: While entry increases competitive pressure on incumbents, supply-side expansion may attract new consumers—effectively increasing total platform size and presumably...
Online, 7–8 janvier 2021
Chiara Canta (Toulouse Business School)
TSE, 18 décembre 2020, 11h00–12h30, salle Zoom
We study optimal income taxation in a framework where the cost misreporting income is positively correlated with productivity. We show that allowing low-wage types to cheat leads to Pareto-superior outcomes as compared to deterring them, even if audits can be performed costlessly. When there is no...
Jean-Michel Zakoïan (CREST)
Toulouse : TSE, 17 décembre 2020, 11h00–12h15, salle Zoom
Jonathan De Quidt (Stockholm University)
17 décembre 2020, 11h00–12h30, salle Zoom
Market design has increased efficiency in complex reallocation problems in the developed world. Because reallocation may be necessary for development, there is potential for market design to contribute to reducing poverty. A key constraint is that low levels of literacy and numeracy may preclude...
Jean Tirole, Claude Crampes et Christian Gollier
Online, 16 décembre 2020, 17h00
Ozlem Bedre Defolie (ESMT-Berlin)
15 décembre 2020, 14h00–15h00, Zoom Meeting
We provide a canonical and tractable model of a trade platform which enables buyers and sellers to transact and charges commission for hosting third party products. We extend it for “hybrid" platforms (like Amazon), which also resell their own products. The hybrid platform controls both the number...
