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Do output-dependent prizes alleviate the sabotage problem in tournaments?

Glökler, Thomas; Pull, Kerstin; Stadler, Manfred - In: Games 13 (2022) 5, pp. 1-20

We investigate whether tournament prizes that depend on joint output ("variable prize tournaments") can alleviate the sabotage problem which is otherwise inherent in tournament struc- tures. In a game-theoretical model with three contestants, we compare fixed-prize tournaments with tournaments...

Persistent link: https://www.econbiz.de/10014418051

Formalizing opponent modeling with the rock, paper, scissors game

Brockbank, Erik; Vul, Edward - In: Games 12 (2021) 3, pp. 1-19

In simple dyadic games such as rock, paper, scissors (RPS), people exhibit peculiar sequential dependencies across repeated interactions with a stable opponent. These regularities seem to arise from a mutually adversarial process of trying to outwit their opponent. What underlies this process,...

Persistent link: https://www.econbiz.de/10012649176

A choice prediction competition for a social preferences in simple extensive form games : an introduction

Ert, Eyal; Erev, Ido; Roth, Alvin E. - In: Games 2 (2011) 3, pp. 257-276

competition experiment. The two experiments use the same methods and subject pool, and examine games randomly selected from the …, and derive the predicted behavior as an output. The submission deadline is 1 December 2011, the results of the competition …

Persistent link: https://www.econbiz.de/10009752422

Consistent beliefs in extensive form games

Barelli, Paulo - In: Games 1 (2010) 4, pp. 415-421

We introduce consistency of beliefs in the space of hierarchies of conditional beliefs (Battigalli and Siniscalchi) and use it to provide epistemic conditions for equilibria in finite multi-stage games with observed actions.

Persistent link: https://www.econbiz.de/10009752453

Competitive centipede games : zero-end payoffs and payoff inequality deter reciprocal cooperation

Krockow, Eva M.; Pulford, Briony D.; Colman, Andrew M. - In: Games 6 (2015) 3, pp. 262-272

Reciprocal cooperation can be studied in the Centipede game, in which two players alternate in choosing between a cooperative GO move and a non-cooperative STOP move. GO sustains the interaction and increases the player pair's total payoff while incurring a small personal cost; STOP terminates...

Persistent link: https://www.econbiz.de/10011316544

The unanimity rule under a two-agent fixed sequential order voting

Bánnikova, Marina; Giménez-Gómez, José Manuel - In: Games 13 (2022) 6, pp. 1-8

This paper studies how the cost of delay and voting order affect agents' decisions in a unanimity voting mechanism. Specifically, we consider two-voter conclaves with commonly known preferences over two alternatives, the cost of delay, and the following novelty: each voter has a subjective...

Persistent link: https://www.econbiz.de/10014418159

Shapley polygons in 4 x 4 games

Hahn, Martin - In: Games 1 (2010) 3, pp. 189-220

We study 4 x 4 games for which the best response dynamics contain a cycle. We give examples in which multiple Shapley polygons occur for these kinds of games. We derive conditions under which Shapley polygons exist and conditions for the stability of these polygons. It turns out that there is a...

Persistent link: https://www.econbiz.de/10009751973

Monte Carlo methods for the Shapley-Shubik power index

Ushioda, Yuto; Tanaka, Masato; Matsui, Tomomi - In: Games 13 (2022) 3, pp. 1-14

This paper deals with the problem of calculating the Shapley-Shubik power index in weighted majority games. We propose an efficient Monte Carlo algorithm based on an implicit hierarchical structure of permutations of players. Our algorithm outputs a vector of power indices preserving the...

Persistent link: https://www.econbiz.de/10013252753

Dynamic programming for computing power indices for weighted voting games with precoalitions

Staudacher, Jochen; Wagner, Felix; Filipp, Jan - In: Games 13 (2022) 1, pp. 1-17

We study the efficient computation of power indices for weighted voting games with precoalitions amongst subsets of players (reflecting, e.g., ideological proximity) using the paradigm of dynamic programming. Starting from the state-of-the-art algorithms for computing the Banzhaf and...

Persistent link: https://www.econbiz.de/10013171847

Analysis of the competition of the South-Eastern Railway of Peru through a timetable auction

Aliaga-Miranda, Augusto; Flores-Vilcapoma, Luis Ricardo; … - In: Games 16 (2025) 2, pp. 1-19

promote competition in railway transportation through timetable auctions and infrastructure access. However, the concession … has resulted in a vertically integrated structure that favors PeruRail, which faces minimal direct competition, controls … address these distortions, we propose reforming the auction mechanism to neutralize these advantages and enhance competition …

Persistent link: https://www.econbiz.de/10015408245