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  • Your search results: "Achim Wambach"
Showing 1 - 20 results of 274 for search '"Achim Wambach"', query time: 1.47s Narrow search
  • 1
    Cover Image eBook
    Digitaler Wohlstand für alle: Ein Update der Sozialen Marktwirtschaft ist möglich
    by Wambach, Achim   Müller, Hans Christian
    2018
    “...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
    Cover Image Journal Article
    Trust in Procurement Interactions
    by Fugger, Nicolas   Katok, Elena   Wambach, Achim Published in Management science (01.11.2019)
    “...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
    Cover Image Journal Article
    Sequential information disclosure in auctions
    by Bergemann, Dirk   Wambach, Achim Published in Journal of economic theory (01.09.2015)
    “...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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  • 4
    Cover Image Journal Article
    Contract withdrawals and equilibrium in competitive markets with adverse selection
    by 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
    Cover Image Journal Article
    Endogenous Insolvency in the Rothschild–Stiglitz Model
    by Mimra, Wanda   Wambach, Achim Published in The Journal of risk and insurance (01.03.2019)
    “...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
    Cover Image Journal Article
    Procurement under public scrutiny: auctions versus negotiations
    by Vitali Gretschko   Achim Wambach Published in The Rand journal of economics (01.12.2016)
    “...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
    Cover Image Journal Article
    Optimal incentive contracts under inequity aversion
    by Englmaier, Florian   Wambach, Achim Published in Games and economic behavior (2010)
    “...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
    Cover Image Journal Article
    A note on uniqueness in game-theoretic foundations of the reactive equilibrium
    by Mimra, Wanda   Wambach, Achim Published in Economics letters (01.04.2016)
    “...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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  • 9
    Cover Image Publication
    China: zur Notwendigkeit eines neuen Wettbewerbsinstruments
    by Wambach, Achim
    2020
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  • 10
    Cover Image Journal Article
    The fog of fraud – Mitigating fraud by strategic ambiguity
    by Lang, Matthias   Wambach, Achim Published in Games and economic behavior (01.09.2013)
    “...•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
    Cover Image Journal Article
    New Developments in the Theory of Adverse Selection in Competitive Insurance
    by Wanda Mimra   Achim Wambach Published in The Geneva risk and insurance review (01.09.2014)
    “...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
    Cover Image Journal Article
    Information acquisition during a descending auction
    by Vitali Gretschko   Achim Wambach Published in Economic theory (01.04.2014)
    “...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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  • 13
    Cover Image Journal Article
    Wettbewerbsregeln für das digitale Zeitalter
    by 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
    Cover Image Journal Article
    Investment coordination in network industries: the case of electricity grid and electricity generation
    by Höffler, Felix   Wambach, Achim Published in Journal of regulatory economics (01.12.2013)
    “...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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  • 15
    Cover Image Journal Article
    Bid Pooling in Reverse Multi-Unit Dutch Auctions - An Experimental Investigation
    by 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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  • 16
    Cover Image Journal Article
    Sektorübergreifende Konzentrations- und Margenzunahme: Bestandsaufnahme, Ursachen und Folgen
    by 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
    Cover Image Journal Article
    Internal decision-making rules and collusion
    by Rasch, Alexander   Wambach, Achim Published in Journal of economic behavior & organization (2009)
    “...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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  • 18
    Cover Image Journal Article
    Survival at the center—The stability of minimum differentiation
    by 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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  • 19
    Cover Image Journal Article
    In kleinen Schritten zu mehr Wettbewerb auf dem Krankenkassenmarkt
    by 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
    Cover Image Journal Article
    Das wettbewerbliche Risikopotenzial institutioneller Anleger
    by Wambach, Achim   Weche, John P Published in Wirtschaftsdienst (Hamburg) (01.08.2019)
    “...Weltweit diskutieren Wissenschaftler und Politiker sowie Vertreter von Wettbewerbsbehörden und Finanzmarktregulierern die Bedeutung indirekter...”
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