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- Semih Koray, Arkadii M. Slinko
- Social Choice and Welfare
- 2008

It is not uncommon that a society facing a choice problem has also to choose the choice rule itself. In such situations, when information about voters' preferences is complete, the voters' preferences on alternatives induce voters' preferences over the set of available voting rules. Such a setting immediately gives rise to a natural question concerning… (More)

- Semih Koray, Bulent Unel
- Social Choice and Welfare
- 2003

- KEMAL YILDIZ, Sean Horan, +4 authors Yusufcan Masatlioglu
- 2015

A choice function is list rational(izable), if there is a fixed list such that for each choice set, successive comparison of the alternatives by following the list retrieves the chosen alternative. We extend the formulation of list rationality to stochastic choice setup. We say two alternatives are related if the stochastic path independence condition is… (More)

- Eray Cumbul, Paulo Barelli, +12 authors Mihkel M. Tombak
- 2014

In this paper, we compare an n-firm Cournot game with a Stackelberg model, where n-firms choose outputs sequentially, in a stochastic demand environment with private information. The Stackelberg perfect revealing equilibrium expected output and total surplus are lower while expected price and total profits are higher than the Cournot equilibrium ones… (More)

- Semih Koray, Kemal Yildiz
- 2016

In the last four decades, implementation has been playing a steadily growing role in economic theory, whose importance we can hardly deny on our part. Every modern society is familiar with several institutional “real life” mechanisms as constitutions, legal codes, rules of corporate culture and social norms that aim to rule out socially undesirable outcomes… (More)

- Battal Dogan, Semih Koray
- Social Choice and Welfare
- 2015

We characterize which scoring rules are Maskin-monotonic for each social choice problem as a function of the number of agents and the number of alternatives. We show that a scoring rule is Maskin-monotonic if and only if it satisfies a certain unanimity condition. Since scoring rules are neutral, Maskin-monotonicity turns out to be equivalent to… (More)

- S Koray
- Nüfusbilim dergisi
- 1997

This article examines the influence of demographic trends and economic development within Turkey on emigration to Europe. Turkey negotiated migration recruitment agreements with Germany in 1961; with the Netherlands, Belgium, Austria, France, and Sweden during 1964-67. About 3 million Turks presently live in Western Europe, which is the largest foreign… (More)

In many real-life applications of house allocation problems, whenever an existing tenant wants to move, he needs to give up his current house before getting another one. This practice discourages existing tenants from such attempts and results in loss of potentially large gains from trade. Motivated by this observation, we propose a simple mechanism that is… (More)

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