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Backward induction and the game-theoretic analysis of chess

The paper scrutinizes various stylized facts related to the minmax theorem for chess. We first point out that, in contrast to the prevalent understanding, chess is actually an infinite game, so that backward induction does not apply in the strict sense. Second, we recall the original
argument for the minmax theorem of chess – which is forward rather than backward looking. Then...

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English / 01/01/2002

Iterated weak dominance in strictly competitive games of perfect information

We prove that any strictly competitive perfect-information two-person game with n outcomes is solvable in n−1 steps of elimination of weakly dominated strategies— regardless of the length of the game tree. The given bound is shown to be tight using a variant of Rosenthal's centipede game.

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English / 01/01/2002

Why Social Preferences Matter - The Impact of Non-Selfish Motives on Competition, Cooperation and Incentives

A substantial number of people exhibit social preferences, which means they are not solely motivated by material self-interest but also care positively or negatively for the material payoffs of relevant reference agents. We show empirically that economists fail to understand fundamental economic questions when they disregard social preferences, in particular, that without taking...

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English / 01/01/2002

Soft Landing of a Stock Market Bubble - An Experimental Study

The paper investigates the effect of interest policy on price bubbles, trading behavior and portfolio choice in experimental stock markets. Anseries of experiments has 8 participants trade an asset over 15 periods. Alternatively, the participants can invest money in interest-bearing bonds. Treatment groups are subjected to an endogenous interest policy, while control groups...

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English / 01/01/2002

"Excess Demand Functions with Incomplete Markets — A Global Result"

"The purpose of this paper is to give a global characterization of excess demand functions in a two period exchange economy with in-completenreal asset markets. We show that continuity, homogeneity and Walras’ law characterize the aggregate excess demand functions on any compact price set which maintains the dimension of the budget set."

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English / 01/01/2002

Measuring social norms and preferences using experimental games: A guide for social scientists

Experimental games turned out to be remarkably productive tools for examining the nature of social preferences and social norms. This paper describes the methods and tools of experimental game theory and provides a selection of games that have been useful. We also discuss the role of evolutionary explanations of and social preference theory in organizing the data in a coherent way....

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English / 01/01/2002

Trust Breeds Trust: How Taxpayers Are Treated

"Tax compliance has been studied in economics by analysing the individual decision of a representative person between paying and evading taxes. A neglected aspect of tax compliance is the interaction of taxpayers and tax authorities. The relationship between the two actors can be understood as an implicit or ""psychological"" contract. Studies on tax evasion...

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English / 01/01/2002

Money and Information

This paper investigates the role of fiat money in decentralized markets, where producers have private information about the quality of the goods they supply. Money is divisible, terms of trade are determined endogenously, and agents can finance their consumption with money or with real production. When the fraction of high quality producers in the economy is given, money promotes the...

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English / 01/01/2002

Money and the Gains from Trade

"This paper studies the role of money in environments where in each meeting there isna double coincidence of real wants. Traders who meet at random finance their purchases through current production, the sale of divisible money or both. It is shown that in the absence of valued money if traders have asymmetric tastes for each other’s good, they produce and exchange...

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English / 01/01/2002

On the Efficiency of Monetary Exchange: How Divisibility of Money Matters.

"We use alternative assumptions about the divisibility of goods and money and thenability of agents to use lotteries on money to investigate to what extent the indivisi-bilitynof money is the cause for the typically ine .cient production and consumption decisions in search-theoretic models of money. Our framework potentially generates three types of inefficiencies: the no-trade...

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English / 01/01/2002

How Government Bond Prices Reflect Wartime Events. The Case of the Stockholm Market

How are political events reflected in financial asset prices? Break points in sovereign debt prices are analyzed for Denmark, Norway, Finland, Sweden, Germany and Belgium during 1930-1948, using unique data from the Stockholm Stock Exchange. Unlike in countries in-volved in WWII, this market was unregulated. The outbreak of World War II heavily depressed prices of government bonds....

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English / 01/01/2002

Selfish and Indoctrinated Economists?

Many people believe that economists in general are more selfish than other people and that this greater selfishness is due to economics education. This paper offers empirical evidence against this widely held belief. Using a unique data set on giving behaviour in connection with two social funds at the University of Zurich, it is shown that economics education does not make people...

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English / 01/01/2002

Two Concerns about Rational Choice: Indoctrination and Imperialism

Rational Choice Theory is often criticized to indoctrinate students in a negative, which is supported by some laboratory experiments. But do students of Rational Choice Theory really behave more selfishly? This paper presents evidence from a natural decision on voluntary donation at the University of Zurich. The analysis of the very large panel data set reaches significant different...

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English / 01/01/2002

Benefit Entitlement and the Labor Market: Evidence from a Large-Scale Policy Change

This paper analyzes the impact of the Austrian Regional Extended Benefit Program (REBP) on the labor market outcomes for elderly workers in Austria. The REBP extended entitlement to regular unemployment benefits from 30 weeks to a maximum of 209 weeks for elderly individuals in certain regions. This policy change created a large-scale quasi-experimental situation from which a lot can...

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English / 01/01/2002

Moral Property Rights in Bargaining

"In many business transactions, in labor-management relations, in international conflicts, and welfare state reforms bargainers seem to hold strong entitlements that shape negotiations. Despite their importance, the role of entitlements in negotiations has not received much attention. We fill the gap by designing an experiment that allows us to measure the entitlements and to...

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English / 01/01/2002

Efficiency in Auctions with Private and Common Values: An Experimental Study

Auctions are generally not efficient when the object’s expected value depends on
private and common value information. We report a series of first-price auction
experiments to measure the degree of inefficiency that occurs with financially
motivated bidders. While some subjects fall prey to the winner’s curse, they
weigh their private and common value...

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English / 01/01/2002

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