Competition for Access and Full Revelation of Evidence

A decision maker must divide a prize between multiple agents. The prize may be divisible (e.g., a budget, pork-barrel spending) in which case he prefers to award larger shares of the prize to relatively more-qualified agents, or it may be non-divisible (e.g., jobs, college admissions) in which case he prefers to award the limited number of prizes to the most-qualified agents. He is, however, ex ante uncertain about agent qualications. Agents may directly reveal verifiable evidence about their qualifications to the decision maker only if the decision maker grants them \access" (e.g., he takes time to review their applications, hold interviews, or conduct an investigation). The time-constrained decision maker must decide which agents receive access, as he cannot grant access to everyone. One way to award access is through a competition, where agents submit payments (e.g., time, money) and higher payments correspond to a greater likelihood of receiving access. The analysis shows that there always exists competition for access mechanisms in which the decision maker becomes fully informed about the qualifications of all agents (even though only some agents reveal their qualifications through access). That is, the decision maker can award access in such a way that he always becomes fully informed and chooses his preferred prize allocation. The paper derives such full-revelation mechanisms, and determines when awarding access through a traditional all-pay auction is sufficient for full revelation.Verifiable evidence disclosure, hard information, all-pay auction, handicap auction, access, lobbying

The lifeboat problem

We study an all-pay contest with multiple identical prizes ("lifeboat seats"). Prizes are partitioned into subsets of prizes ("lifeboats"). Players play a twostage game. First, each player chooses an element of the partition ("a lifeboat"). Then each player competes for a prize in the subset chosen ("a seat"). We characterize and compare the subgame perfect equilibria in which all players employ pure strategies or all players play identical mixed strategies in the first stage. We find that the partitioning of prizes allows for coordination failure among players when they play nondegenerate mixed strategies and this can shelter rents and reduce rent dissipation compared to some of the less efficient pure strategy equilibria

Choice of Prizes Allocated by Multiple Lotteries with Endogenously Determined Probabilities

We study a class of interactive decision making situations in which each agent must choose to participate in one of several lotteries with commonly known prizes. In contrast to the widely studied paradigm of choice between gambles in individual decision making under risk, the probability of winning a prize in each of the lotteries in our study is endogenously determined. In particular, for each lottery, it is known to decrease in the number of agents choosing to play that lottery. We construct the Nash equilibrium solution to this game and then test it experimentally in the special case where each lottery yields only a single prize. The results show a remarkable degree of tacit coordination that supports the equilibrium solution under the assumption of common risk-aversion. However, this coordination is not achieved via individual level randomization. Rather, the entry decisions of most of the subjects can be characterized by local adjustments to the outcome of the previous iteration of the same game along the lines suggested by anticipatory learning models.Coordination, Endogenously Determined Probabilities

A Permit Allocation Contest for a Tradable Pollution Permit Market

In this paper we advocate a new initial allocation mechanism for a tradable pollution permit market. We outline a Permit Allocation Contest (PAC) that distributes permits to firms based on their rank relative to other firms. This ranking is achieved by ordering firms based on an observable 'external action' where the external action is an activity or characteristic of the firm that is independent of their choice of emissions in the tradeable permit market. We show that this mechanism efficiently allocates permits and, as a result, the tradeable permit market is cost-effective. We determine the symmetric equilibrium strategy of each firm in choosing their external action and find the choice is influenced by the firm's cost structure and the regulator's choice of permit allocation schedule (distribution of permits to the market). Furthermore, we investigate the factors that determine the regulator's choice of optimal permit allocation schedules.Rank-order contests, pollution permits, initial allocation

Auctions: Theory and Practice

Governments use them to sell everything from oilfields to pollution permits, and to privatize companies; consumers rely on them to buy baseball tickets and hotel rooms, and economic theorists employ them to explain booms and busts. Auctions make up many of the world's most important markets; and this book describes how auction theory has also become an invaluable tool for understanding economics. Auctions: Theory and Practice provides a non-technical introduction to auction theory, and emphasises its practical application. Although there are many extremely successful auction markets, there have also been some notable fiascos, and Klemperer provides many examples. He discusses the successes and failures of the one-hundred-billion dollar "third-generation" mobile-phone license auctions; he, jointly with Ken Binmore, designed the first of these. Klemperer also demonstrates the surprising power of auction theory to explain seemingly unconnected issues such as the intensity of different forms of industrial competition, the costs of litigation, and even stock trading 'frenzies' and financial crashes. Engagingly written, the book makes the subject exciting not only to economics students but to anyone interested in auctions and their role in economics.markets, industrial competition, litigation, stock trading, financial crashes

Ambiguous correlation

Many decisions are made in environments where outcomes are determined by the realization of multiple random events. A decision maker may be uncertain how these events are related. We identify and experimentally substantiate behavior that intuitively reflects a lack of confidence in their joint distribution. Our findings suggest a dimension of ambiguity which is different from that in the classical distinction between risk and "Knightian uncertainty"

The lifeboat problem

We study an all-pay contest with multiple identical prizes (lifeboat seats). Prizes are partitioned into subsets of prizes (lifeboats). Players play a two-stage game. First, each player chooses an element of the partition (a lifeboat). Then each player competes for a prize in the subset chosen (a seat). We characterize and compare the subgame perfect equilibria in which all players employ pure strategies or all players play identical mixed strategies in the first stage. We find that the partitioning of prizes allows for coordination failure among players when they play nondegenerate mixed strategies and this can shelter rents and reduce rent dissipation compared to some of the less efficient pure strategy equilibria. --All-pay contest,multiple prizes,rent dissipation,lifeboat

Tax Arbitrage with Risk and Effort Aversion - Swedish Lottery Bonds 1970-1990

Swedish lottery bonds are valuable tax shelters before the tax reform of 1991. By trading around the coupon lottery, high-tax investors with capital gains from the stock market shift their tax liability to low-tax investors. The uncertainty of the coupon lottery and the effort of verifying the winning lottery bond numbers are a nuisance to tax traders. We investigate how the Treasury (issuer), market makers (banks), and lottery bond investors respond to those frictions.Tax arbitrage; Coupon lottery; Lottery number checking; Ex-dividend day; Turn-of-the-year effect; Rationing; Underpricing