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Essays In Market And Mechanism Design
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Book Synopsis Essays in Market and Mechanism Design by : Fanqi Shi
Download or read book Essays in Market and Mechanism Design written by Fanqi Shi and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation demonstrates three works to understand how specific markets work and how we can devise the rules to improve market outcome. Chapter 1 studies a two-period matching model where one side of the market (e.g. workers) have an option to invest and delay matching in the first period. Chapter 2 explores the optimal ordering of heterogeneous items in sequential auctions with unit-demand buyers. Chapter 3 analyzes the optimal ``screening'' mechanism of products with network externalities.
Book Synopsis Essays in Market and Mechanism Design by : Marco Reuter
Download or read book Essays in Market and Mechanism Design written by Marco Reuter and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Essays in mechanism and market design by : Vasiliki Skreta
Download or read book Essays in mechanism and market design written by Vasiliki Skreta and published by . This book was released on 2001 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Essays in Mechanism and Market Design by : Kentaro Tomoeda
Download or read book Essays in Mechanism and Market Design written by Kentaro Tomoeda and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis consists of three essays on mechanism and market design.
Book Synopsis Essays in Mechanism Design by : Weixin Chen (Researcher in microeconomic theory)
Download or read book Essays in Mechanism Design written by Weixin Chen (Researcher in microeconomic theory) and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis consists of three papers in mechanism design. Chapter 1 is based on a paper of mine entitled "Quality Disclosure and Price Discrimination". Chapter 2 is based on "Penalty, Voting, and Collusion: a Common Agency Approach to Industrial Regulation and Political Power". Chapter 3 is based on "Partitional Information Revelation under Renegotiation". A key framework in mechanism design is screening: a principal who designs the contract induces agents with private information to select certain action(s) or bundle(s). Classical results are second-best distortion and Myerson ironing, which are derived when the agency involves a single task (or tasks independent across agents), an agent's information is privately known by himself, and there is full commitment. Chapter 1 considers incentivizing tasks that are related through a resource constraint. It studies the second-degree price discrimination when the supply quality follows some exogenous distribution, or more specifically, the design of information and pricing in a monopolistic market with product quality dispersion. The main message is that optimality requires a partial disclosure, and finer results on the allocation distortion depend on the heterogeneity of the buyers' preference. When such preference over assignment, i.e., quality distribution, has a uni-dimensional sufficient statistics in the quality space, the optimal distortion resembles Myerson's ironing and the optimal disclosure takes a partitional form. For more general preference, the optimal distortion departs from Myerson's result. Chapter 2 considers eliciting signals informative of the agent's private information from multiple sources. An interesting case is by considering a voting committee as the principal, where voting aggregates welfare-relevant information but faces corruptive incentives. The key insights are that the optimal rule is a binary verdict, resembling the principle of maximum deterrence, and the corruptive incentives typically push the optimal voting rule towards unanimity. Chapter 3 considers commitment with renegotiation: the counterparties can stick to the previously signed long-term contract or revise it with mutual consent. More specifically, it studies a long-term relationship between a seller and a buyer whose valuation (for a per-period service or a rental good) is private. In such a dynamic game, a new dimension of mechanism design, namely intertemporal type separation, arises as its induced belief-updating affects the rent extraction--efficiency tradeoff. The main message is that all PBE share the following property in the progressive screening process: at each history, the seller partitions the posterior support into countable intervals and offers a pooling contract to each of these intervals.
Book Synopsis Essays on Market Design and Experimental Economics by : Eric Samuel Mayefsky
Download or read book Essays on Market Design and Experimental Economics written by Eric Samuel Mayefsky and published by Stanford University. This book was released on 2011 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: I explore fundamental behavioral aspects of several market design environments in a variety of projects using both theoretical models and laboratory experiments. I show that human tendencies can drastically shift potential outcomes away from those which would result if individuals were fully 'rational' and unbiased in decision problems similar to those found frequently in the field. I explore two common classes of centralized matching mechanisms--Deferred Acceptance and Priority--which have wildly different success rates in practice despite both being open to manipulation by agents who have incomplete information about the other participants in the match. For this reason, theory predicts both mechanisms in equilibrium will yield match outcomes which are unstable, meaning some agents will desire to renegotiate with one another after receiving their match assignments, and thus reduce participants' confidence in using the match. I provide laboratory evidence that out-of-equilibrium truth telling by agents is substantially more frequent in the Deferred Acceptance environment and thus Deferred Acceptance matches will generally be more stable in practice than matches using a Priority mechanism. This may explain why Deferred Acceptance mechanisms appear to be more viable in the field. I also explore two different models of decentralized two-sided matching environments where establishing scarce signaling methods can improve market outcomes. In a laboratory experiment, I show that allowing potential receiving job offers to send a single signal to their favorite potential employer before job offers are made increases overall match rates in the market, but is potentially damaging to the firms making offers when compared to the market without such a signal. Then, in a theoretical model where pre-offer communication takes the form of an interview process where workers have natural limits on the number of interviews in which they can participate, I show that in many cases firms can benefit themselves and the market as a whole by voluntarily restricting the number of interviews they offer to participate in. While not traditionally thought of as market design problems, voting mechanisms are fundamentally goods allocation problems as well and have many of the same issues as traditional markets do. I explore the effects of voter bias on outcomes in an otherwise standard voting model and find that even slight external pressure on individuals in a committee tasked with coming to a collective decision can destroy the ability of that committee to arrive at the correct result, even when individuals have good information about the best decision to make. Furthermore, the quality of the decision made by such a committee can actually degrade as the committee size increases, in contrast with the canonical Condorcet Jury Theorem which predicts that a committee's ability to choose the right outcome increases quickly as more members are added.
Book Synopsis Essays in Market and Mechanism Design by : Giorgio Paolo Martini
Download or read book Essays in Market and Mechanism Design written by Giorgio Paolo Martini and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: My dissertation consists of four chapters. In chapter 1, I study verifiable disclosure with multidimensional information. Chapter 2 (joint work with Piotr Dworczak) studies Bayesian persuasion when the Sender's preferences depend only on the mean of posterior beliefs. The first chapters present two contrasting ``persuasion'' models: in chapter 1, voluntary, verifiable disclosure (Sender has no commitment); in chapter 2, Bayesian persuasion or information design (Sender has full commitment). Chapter 3 (joint work with Nicolas Lambert and Michael Ostrovsky) studies a general model of quadratic games and characterizes their unique equilibrium. Finally, in chapter 4 I prove a novel impossibility theorem in the assignment problem.
Book Synopsis Essays in Mechanism Design and Market Design by :
Download or read book Essays in Mechanism Design and Market Design written by and published by . This book was released on 2014 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Full Implementation and Belief Restrictions' considers how information about agents' beliefs might be used to achieve full implementation, which aims to resolve the problem of multiplicity in mechanism design. We find that minimal knowledge about beliefs (described by moment conditions) can be used to reduce strategic externalities induced by the incentive compatible transfers by adding belief-based adjustments to the transfers. When strategic externalities are reduced to the extent that the best reply map becomes contractive, then uniqueness is achieved for a Delta-Rationalizability. We further show that (1) this result often obtains by very little information about agents' beliefs, therefore the uniqueness result holds for a large class of beliefs and (2) suitable moment conditions can be found in many economically interesting information structures, for example in quadratic smooth environments with independent or affiliated types. `Shared Information Sources in Exchanges' explores implications of heterogeneous information sources available to market participants -- due to regulation, choice or comes as a constraint. Traders in financial markets recognize that shared forecast services, differential access to information technology, targeted advertisement induce correlation in inference errors. We show that common information sources, seen as a departure from the private information acquisition assumption, qualitatively affect information aggregation and efficiency properties of markets. Even when traders' values are independent, inference from prices can be useful for learning about valuations. From a market design perspective, we show that imposing differential access to sources can improve informativeness, restricting participation to certain trading venues can be optimal. `Privacy-Preserving Market Design' is motivated by the increasing concern about revealing information on past trades, income, liquidity needs. With improved data collection, preserving privacy has become a de facto participation constraint in exchanges. We suggest an incentive-based approach by formulating a mechanism design problem to study the joint design of the allocation rule, bidding language, observable outcomes (prices, quantities at various levels of aggregation, and other statistics). We show that privacy-preserving market design is feasible, in that the publicly observable outcome is minimally informative about private information. In contrast to the view in the literature, there need not be a trade-off between privacy preservation and efficiency.
Book Synopsis Essays on Mechanism and Market Design by : Aaron Luke Bodoh-Creed
Download or read book Essays on Mechanism and Market Design written by Aaron Luke Bodoh-Creed and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The focus of this dissertation is the role of information in the determination of market outcomes. The first essay provides a novel framework for studying large market mechanisms with an application to the information aggregation properties of uniform price auctions. The second essay analyzes a model of mood and associative memory and shows that this bias could explain anomalous results in the behavioral finance and organizational behavior literatures. The third and final essay analyzes ambiguity aversion and how it affects outcomes in general mechanisms. The first essay, "Mean Field Approximation of Large Games, " provides a general framework for approximating the equilibria of games with many participants using analytically tractable nonatomic limit games. We prove that if the game is continuous, then the set of equilibria is upper hemicontinuous in the number of agents. This implies that we can use equilibrium strategies of the limit game as an approximation of the equilibrium actions of the agents in the large finite game. We argue that this continuity property implies that generic large, continuous markets are almost competitive in the limit. We use our framework to analyze multi-unit demand uniform price auctions with both a common value component and bidders who value successive units as complements. We show that these auctions fully reveal the state of the world asymptotically and result in ex post efficient allocations with arbitrarily high probability in the asymptotic limit. As a second application, we provide a framework for approximating large stochastic games using dynamic competitive equilibria with applications to macroeconomics, industrial organization, engineering and computer science. The second essay, "Mood and Associative Memory, " examines the biases in memory caused by an agent's affective state. Within the psychology literature, it is a well established fact that decision makers in a positive emotional state are optimistic about the odds of positive random events and agents in a negative emotional state are pessimistic. By building a mathematical model firmly grounded on psychological primitives, we develop a behavioral decision theory framework that can be utilized in a wide range of microeconomic models. We apply our model to study employee morale and clarify a severely conflicted literature on morale within the Organizational Behavior literature. We also show that biases in memory are a potential explanation for a wide range of asset pricing anomalies such as excess volatility, short run underreaction and long run overreaction to news, and the influence of non-fundamental events. Our model provides a tool for policy makers to analyze the effects of biases in memory on the response of agents to firms, markets, and government policies and can be used to identify situations in which either public or private intervention may be required to ameliorate the effects of the agents' errors in judgment. The third and final essay, "Ambiguous Beliefs and Mechanism Design, " explores the effects of ambiguity aversion, also known as Knightian Uncertainty, on mechanism design theory. Knightian uncertainty refers to risk within the economy that is not characterized by a stochastic process commonly known to the agents. Compelling psychological data, such as the classical Ellsberg Paradox, have shown that agents reveal a strong aversion to Knightian Uncertainty above and beyond the risk aversion considered in neoclassical microeconomic theory. Policy makers ought to be especially concerned about the effects of ambiguity aversion, neglected in traditional studies of mechanism and market design, in situations where the agents are unfamiliar with the mechanism and the economic environment the mechanism creates. We unify the Multiple Prior Expected Utility (MEU) model of ambiguity aversion with the tools of contract theory to provide a general framework to analyze the effects of ambiguity aversion in market settings and use these tools to assess the effect of ambiguity aversion on auctions and bargaining problems. We show that the first and second price auction cannot be ranked when the agents are ambiguity averse, derive the optimal auction format, and study the effects of ambiguity on auction entry. We also prove that ambiguity aversion can be efficiency enhancing in ex ante budget balanced mechanisms and revenue enhancing in ex post efficient bargaining mechanisms.
Book Synopsis Essays in Mechanism Design by : Yunan Li
Download or read book Essays in Mechanism Design written by Yunan Li and published by . This book was released on 2017 with total page 594 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this thesis, I study mechanism design problems in environments where the information necessary to make decisions is affected by the actions of principal or agents.The first chapter considers the problem of a principal who must allocate a good among a finite number of agents, each of whom values the good. Each agent has private information about the principal's payoff if he receives the good. There are no monetary transfers. The principal can inspect agents' reports at a cost and punish them, but punishments are limited because verification is imperfect or information arrives only after the good has been allocated for a while. I characterize an optimal mechanism featuring two thresholds. Agents whose values are below the lower threshold and above the upper threshold are pooled, respectively. If the number of agents is small, then the pooling area at the top of value distribution disappears. If the number of agents is large, then the two pooling areas meet and the optimal mechanism can be implemented via a shortlisting procedure. The fact that the optimal mechanism depends on the number of agents implies that small and large organizations should behave differently. The second chapter considers the problem of a principal who wishes to distribute an indivisible good to a population of budget-constrained agents. Both valuation and budget are an agent's private information. The principal can inspect an agent's budget through a costly verification process and punish an agent who makes a false statement. I characterize the direct surplus-maximizing mechanism. This direct mechanism can be implemented by a two-stage mechanism in which agents only report their budgets. Specifically, all agents report their budgets in the first stage. The principal then provides budget-dependent cash subsidies to agents and assigns the goods randomly (with uniform probability) at budget-dependent prices. In the second stage, a resale market opens, but is regulated with budget-dependent sales taxes. Agents who report low budgets receive more subsidies in their initial purchases (the first stage), face higher taxes in the resale market (the second stage) and are inspected randomly. This implementation exhibits some of the features of some welfare programs, such as Singapore's housing and development board.The third chapter studies the design of ex-ante efficient mechanisms in situations where a single item is for sale, and agents have positively interdependent values and can covertly acquire information at a cost before participating in a mechanism. I find that when interdependency is low or the number of agents is large, the ex-post efficient mechanism is also ex-ante efficient. In cases of high interdependency or a small number of agents, ex-ante efficient mechanisms discourage agents from acquiring excessive information by introducing randomization to the ex-post efficient allocation rule in areas where the information's precision increases most rapidly.
Book Synopsis Essays in Mechanism Design with Semi-exclusive Information and Wrong Beliefs by : Mingjun Xiao
Download or read book Essays in Mechanism Design with Semi-exclusive Information and Wrong Beliefs written by Mingjun Xiao and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Mechanism design theories have established basic framework in studying economic problems where agents have private information and behave in their own interests. This framework provides a workhorse for exploring how to implement social choice rules in general. One typical issue is to analyze the decision-making by a social planner or a designer who aims to achieve efficient outcomes that maximize the joint welfare of all agents. Not surprisingly, efficiency essentially requires that the designer know the agents' private information and then choose the corresponding socially optimal outcome. However, the difficulty of mechanism design problem is to characterize these incentive constraints where agents find it optimal to reveal their private information truthfully. Specifically, sufficiently rich private information could entail non-implementability of efficient social choice rules. To overcome this difficulty, this dissertation considers a class of semi-exclusive information structures where agents may observe signals about payoff signals, and a class of problems where agents may have wrong beliefs or the mechanism designer is not informed about the agents' valuation functions, and proposes mechanisms that implement efficient allocations.
Book Synopsis Essays on Market Design by : Shunya Noda
Download or read book Essays on Market Design written by Shunya Noda and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis consists of four essays on mechanism and market design. The first essay studies mechanism design in dynamic environments and establishes a sufficient condition for full surplus extraction and implementation. The second essay studies information acquisition in a matching problem and considers optimal information design. The third and fourth essays study the matching size in the assignment problems. The third essay characterizes the upperbound of the matching size achieved by the random serial dictatorship mechanism. The fourth essay shows that (i) the standard mechanism fails to achieve a large matching size when we have generalized constraints on the set of feasible matchings, and (ii) the alternative mechanism we propose always generate a large matching.
Book Synopsis Socialism and the Market: Mechanism design theory and the allocation of resources by : Peter J. Boettke
Download or read book Socialism and the Market: Mechanism design theory and the allocation of resources written by Peter J. Boettke and published by Taylor & Francis. This book was released on 2000 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Essays on Market Design written by and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This Ph. D. thesis is composed of four independent research papers in the field of Market Design. It begins with a general introduction for all four papers and ends with a brief conclusion. In this thesis, I study the impact of heterogeneous market participants on allocation outcomes in different market mechanisms; in addition, how to design alternative mechanisms that can more effectively allocate scarce resources with diverse economic and social goals. Chapter 1 studies the impact of affirmative action policies in the context of school choice. It addresses the following two questions: what are the causes of possible perverse consequence of affirmative action policies, and when the designer can effectively implement affirmative actions without unsatisfactory outcomes. Using the minority reserve policy in the student optimal stable mechanism as an example, I show that two acyclicity conditions, type-specific acyclicity and strongly type-specific acyclicity, are crucial for effective affirmative action policies. However, these two cycle conditions are almost impossible to be satisfied in any finite market in practice. Given the limitation of the point-wise effectiveness in finite markets, I further illustrate that the minority reserve policy is approximately effective in the sense that the probability of a random market containing type-specific cycles converges to zero when the copies of schools grow to infinite. Chapter 2 addresses the question of how ex ante asymmetry affects bidders' equilibrium strategies in two popular multi-unit auction rules: uniform-price auction (UPA) and discriminatory-price auction (DPA). I characterize the set of asymmetric monotone Bayes-Nash equilibria in a simple multi-unit auction game in which two units of a homogeneous object are auctioned among a set of bidders. I argue that bidders' strategic behavior essentially comes from their diverse market positions (i.e., the winning probability and the probability of deciding the market-clea
Book Synopsis Essays on Mechanism Design and Multiple Privately Informed Principals by : Nicolás Riquelme
Download or read book Essays on Mechanism Design and Multiple Privately Informed Principals written by Nicolás Riquelme and published by . This book was released on 2019 with total page 149 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This dissertation is a collection of three papers studying both theoretical and applied aspects of mechanism design. In Chapter 1, we study competing auctions where each seller has private information about the quality of his object and chooses the reserve price of a second-price auction. Buyers observe the reserve prices and decide which auction to participate in. For a class of primitives, we show that a perfect Bayesian equilibrium exists for any finite market. In any such PBE, higher quality is signaled through higher reserve price at the expense of trade opportunities. But there might be bunching regions causing inefficiencies. In fact, in the large-market limit characterized by a directed search model, the interaction of adverse selection and search frictions entail distortion at the bottom: when either the buyer-seller ratio is sufficiently large or a regularity condition is met, there is no separating PBE in which the lowest-quality seller sets reserve price equal to his opportunity cost. This finding carries over to large finite markets and is consistent with observed behavior in auctions for used cars in UK (Choi, Nesheim and Rasul, 2016). In Chapter 2, we study games where a group of privately informed principals design mechanisms to a common agent. The agent has private information (exogenous) and, after observing principals' mechanisms, may have information (endogenous) about feasible allocations and private information from each principal. Thus, each principal may be interested in designing a mechanism to screen all this information, for which a potentially complicated message space to convey this information might be needed. In this project, we provide sufficient conditions on the agent's payoff such that any equilibrium in this setup has an output-equivalent equilibrium using only mechanisms with simple message spaces (direct mechanisms). Depending on the conditions, we propose two different notions of direct mechanisms and discuss their applicability with some examples. In Chapter 3, we study the design of horizontal merger regulation in a Cournot competition setting, where firms are privately informed about production technology. More specifically, a consumer-surplus-maximizer regulator designs a mechanism which determines whether the merger is blocked or accepted, and sets structural remedies (divestitures). This problem does not have the usual quasi-linear structure commonly assumed in the mechanism design literature. We first characterize incentive-compatible mechanisms and then find the optimal one. The complete information case is also presented as a benchmark. Asymmetric information induces important distortions in regulatory decisions. First, every rejected merge would improve consumer surplus. Second, every merge that decreases consumer surplus would be approved. Lastly, every merge rightly approved would be asked fewer divestitures than the optimal one (under-fixing effect). These results seem consistent with recent empirical evidence on the ineffectiveness of the merger regulation"--Pages vii-viii.
Book Synopsis Essays on the Design and Analysis of Markets by : Anthony Lee Zhang
Download or read book Essays on the Design and Analysis of Markets written by Anthony Lee Zhang and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation is a collection of essays on the design and analysis of markets. I propose ways to change the rules of existing market mechanisms and analyze how these changes can increase market efficiency, and I develop empirical methods for analyzing market performance. Chapter 2 proposes a way to measure the manipulability of derivative contract markets. Chapter 3 proposes a new kind of license for allocating natural resource use rights. Chapter 4 develops general empirical methods based on mechanism design theory for analyzing a large class of trading games.
Book Synopsis Who Gets What--and why by : Alvin E. Roth
Download or read book Who Gets What--and why written by Alvin E. Roth and published by Houghton Mifflin Harcourt. This book was released on 2015 with total page 275 pages. Available in PDF, EPUB and Kindle. Book excerpt: A Nobel laureate reveals the often surprising rules that govern a vast array of activities -- both mundane and life-changing -- in which money may play little or no role. If you've ever sought a job or hired someone, applied to college or guided your child into a good kindergarten, asked someone out on a date or been asked out, you've participated in a kind of market. Most of the study of economics deals with commodity markets, where the price of a good connects sellers and buyers. But what about other kinds of "goods," like a spot in the Yale freshman class or a position at Google? This is the territory of matching markets, where "sellers" and "buyers" must choose each other, and price isn't the only factor determining who gets what. Alvin E. Roth is one of the world's leading experts on matching markets. He has even designed several of them, including the exchange that places medical students in residencies and the system that increases the number of kidney transplants by better matching donors to patients. In Who Gets What -- And Why, Roth reveals the matching markets hidden around us and shows how to recognize a good match and make smarter, more confident decisions.
