Semih Koray
Middle East Technical University
7 Papers
61 Citations
Semih Koray is an academic researcher from Middle East Technical University. The author has contributed to research in topics: Cournot competition & Semigroup. The author has an hindex of 4, co-authored 7 publications.
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Papers
Advances in economic design
Murat R. Sertel,Semih Koray +1 more
- 01 Jan 2003
Abstract: A: Social Choice and Electoral Systems.- Selecting a Social Choice Rule - An Exploratory Panel Study.- Weighted Scoring Rules That Maximize Condorcet Efficiency.- Incentive Contracts and Elections for Politicians and the Down-Up Problem.- B : Buyers and Sellers.- On Determination of Optimal Reserve Price in Auctions with Common Knowledge about Ranking of Valuations.- On Auctions with Interest Linkages among Bidders.- Substitutes, Complements, and Equilibrium in Two-Sided Market Models.- Core Convergence in Two-Sided Matching Markets.- C: Bargaining.- Can and Should the Nash Program Be Looked at as a Part of Mechanism Theory?.- Impossibility of a Walrasian Bargaining Solution.- Characterization of Competitive Allocations and the Nash Bargaining Problem.- Kalai-Smorodinsky and Maschler-Perles Solutions under Pre-donation.- D: Coalitional Stability and Efficiency.- Stable Cartel Structures in a Dismantling Game.- A Sequential Approach to the Characteristic Function and the Core in Games with Externalities.- Coalition Structural Games and the Voluntary Provision of Public Goods.- E: Regulating and Organizing Markets.- Regulation and Markets for Catastrophe Insurance.- Incentive Compatible Regulation of Quality Provision by Natural Monopolies - The Role of Technical Progress.- On the Importance of Sequencing of Markets in Monetary Economies.- F: Designing Rights.- The Stability and Efficiency of Economic and Social Networks.- Designing Severance Payments and Decision Rights for Efficient Plant Closure under Profit-Sharing.- Moral Hazard and Linear Contracts: Economies with Idiosyncratic Risks.- Equal Awards vs. Equal Losses: Duality in Bankruptcy.- G: Information.- Mechanism Design without Games.- Hierarchy Size and Environmental Uncertainty.
Regulating a duopoly by a Pretend-but-Perform Mechanism
Semih Koray,Murat R. Sertel +1 more
TL;DR: In this paper, the authors proposed the Pretend-but-Perform Mechanism (PPM) which enforces accordance of performance with pretended (declared) cost in a linear duopoly, where each firm's output in reaction to rival output is to maximize profit according to declared cost.
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The welfaristic characterization of two-person revelation equilibria under imputational government
Semih Koray,Murat R. Sertel +1 more
TL;DR: In this paper, the revelation game is defined as a Pareto game, and the Nash equilibria of the game always induce individually rational outcomes according to the true preferences, and for all such outcomes there is a Nash equilibrium declaration of preferences which induces precisely that outcome.
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Bisimple inverse semigroups whose idempotents are an interval
TL;DR: In this paper, the structure of locally compact topological inverse semigroups whose maximal subgroups are compact and whose set of idempotents is a real interval is studied.
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