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1“...DE Inhalt Vorwort 7 1. Ludwig Erhards Politik passt nicht mehr, seine Ideen schon 9 Die Digitalisierung verändert - fast - alles 11 Auf den Märkten von heute...”
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2“...When complex procurement projects are conducted, it is often not possible to write complete contracts. As a consequence, the relationship between buyer and...”
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3“...We propose a sequential auction mechanism for a single object in which the seller jointly determines the allocation and the disclosure policy. A sequential...”
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4by Mimra, Wanda Mimra, Wanda Wambach, Achim Wambach, Achim Published in Economic theory (01.06.2019)“...In competitive common value adverse selection markets, existence of a pure strategy equilibrium is often justified by appealing to Wilson’s (J Econ Theory...”
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5“...Even 30 years after Rothschild and Stiglitz's () seminal work on competitive insurance markets with adverse selection, existence and characterization of the...”
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6“...We compare two commonly used mechanisms in public procurement: auctions and negotiations. The execution of the procurement mechanism is delegated to an agent...”
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7“...We analyze the classic moral hazard problem with the additional assumption that agents are inequity averse. The presence of inequity aversion alters the...”
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8“...Riley (1979)’s reactive equilibrium concept addresses the problem of equilibrium existence in competitive markets with adverse selection. The game-theoretic...”
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10“...•Insurance fraud model with ambiguity-averse policyholders.•Insurers can choose between commitment and ambiguity about audits.•Insurers avoid commitment and...”
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11“...We provide an overview of the paths taken to understand existence and efficiency of equilibrium in competitive insurance markets with adverse selection since...”
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12“...We compare the effects of information acquisition during a descending auction with its static counterpart, the first-price sealed-bid auction. In a framework...”
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13by Wambach, Achim Published in Wirtschaftsdienst (Hamburg) (01.08.2016)“...Der Blick auf eine angemessene Wettbewerbsordnung hat sich im Laufe der Jahrzehnte vielfach gewandelt. Dazu trugen sowohl der technologische Wandel als auch...”
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14“...Liberalization of network industries frequently separates the network from the other parts of the industry. This is important in particular for the electricity...”
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15by Gillen, Philip Rasch, Alexander Wambach, Achim Werner, Peter Published in Theory and decision (01.11.2016)“...In this article we experimentally investigate reverse multi-unit Dutch auctions in which bidders compete to sell their single unit to a buyer who wants to...”
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16by Wambach, Achim Weche, John P Published in Perspektiven der Wirtschaftspolitik : PWP : eine Zeitschrift des Vereins für Socialpolitik (02.07.2020)“...Achim Wambach und John Weche liefern einen Überblick über den Forschungsstand zur Frage, ob die Wettbewerbsintensität auf Märkten sektorübergreifend abnimmt...”
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17“...We study the impact of internal decision-making structures on the stability of collusive agreements. To this end, we use a three-firm spatial competition model...”
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18by Hehenkamp, Burkhard Wambach, Achim Published in Journal of economic behavior & organization (2010)“...We model a Hotelling market with multidimensional product differentiation in an evolutionary framework. Both evolutionary stability (in the sense of Schaffer,...”
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19by Greer, Katja Wambach, Achim Published in Perspektiven der Wirtschaftspolitik : PWP : eine Zeitschrift des Vereins für Socialpolitik (30.04.2020)“...Am 13. März 2020 billigte der Bundesrat das vom Kabinett zuvor beschlossene Gesetz zur zielgenaueren Ausgestaltung des Wettbewerbs im gesetzlichen...”
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20“...Weltweit diskutieren Wissenschaftler und Politiker sowie Vertreter von Wettbewerbsbehörden und Finanzmarktregulierern die Bedeutung indirekter...”