Three Essays On Mechanism Design And Institutions
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Three Essays On Mechanism Design And Institutions
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Author : Aristotelis Boukouras
language : en
Publisher:
Release Date : 2011
Three Essays On Mechanism Design And Institutions written by Aristotelis Boukouras and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.
Essays In Mechanism Design
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Author : Levent Ulku
language : en
Publisher:
Release Date : 2008
Essays In Mechanism Design written by Levent Ulku and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Econometrics categories.
This dissertation consists of three essays in the theory of mechanism design under incomplete information. In the first essay, we analyze an implementation problem in which monetary transfers are feasible, valuations are interdependent and the set of available choices lies in a product space of lattices. This framework is general enough to subsume many interesting examples, including allocation problems with multiple objects. We identify a class of social choice rules which can be implemented in ex post equilibrium. We identify conditions under which ex post efficient social choice rules are implementable using monotone selection theory. The key conditions are extensions of the single crossing property and supermodularity. These conditions can be replaced with more tractable conditions in multiobject allocation problems with either two objects or two agents. I also show that the payments which implement monotone social decision rules coincide with the payments of (1) the classical Vickrey-Clarke-Groves mechanism with private values, and (2) the generalized Vickrey auction introduced by Ausubel [1999] in multiunit allocation problems. The second essay generalizes the analysis of optimal (revenue maximizing) mechanism design for the seller of a single object introduced by Myerson [1981]. We consider a problem in which the seller has several heterogeneous objects and buyers' valuations depend on each other's private information. We analyze two nonnested environments in which incentive constraints can be replaced with more tractable monotonicity conditions. We establish conditions under which these monotonicity conditions can be ignored, and show that several earlier analyses of the optimal mechanism design problem can be unified and generalized. In particular, problems with two complementary goods in Levin [1997] and multiunit auction problems in Maskin and Riley [1989] and Branco [1996] are special cases. The third essay considers the problem of selling internet advertising slots to advertisers. Under suitable conditions, we solve for the payments imposed by an optimal mechanism and show that it can be decentralized via prices using a linear assignment approach. At every configuration of private information, optimal mechanism can be interpreted as a menu consisting of a price for every slot.
Three Essays In Mechanism Design
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Author : Dominique M. Demougin
language : en
Publisher:
Release Date : 1988
Three Essays In Mechanism Design written by Dominique M. Demougin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Commercial agents categories.
Three Essays On Mechanism Design Information Design And Collective Decision Making
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Author : Shuguang Zhu
language : en
Publisher:
Release Date : 2018
Three Essays On Mechanism Design Information Design And Collective Decision Making written by Shuguang Zhu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with categories.
This thesis investigates several topics in Microeconomic Theory, with a focus on incorporating information control into mechanism design, checking the robustness of mechanisms, and providing a foundation for inconsistent collective decision-making. This work helps to optimize information transmission and acquisition in organizational communications, advertisement and policy design. It also sheds light on how inconsistent group decisions derive from heterogeneity in group members, and proposes ways to restore efficiency. The thesis consists of three chapters, each of which is self-contained and can be read separately. The first chapter studies a mechanism design environment where the principal has control over the agents' information about a payoff-relevant state. The principal commits to an information disclosure policy where each agent observes a private signal, while the principal directly observes neither the true state nor the signal profile. Examples include (1) assessing whether a new product matches consumers' preferences through their feedback on sample product trials, and (2) gathering intelligence by authorizing investigators to collect various aspects of information. I establish optimality of individually uninformative and aggregately revealing disclosure policy, where (i) each agent obtains no new information about the state after observing any realization of his own signal, but (ii) the principal can nevertheless infer the true state from the agents' reports about their signals. Furthermore, this optimal disclosure policy admits simple and intuitive implementation (such as certain types of blinded experiments, or restrictions on access to certain information) under additional assumptions. If attention is restricted to linear settings, I characterize a class of environments (including those satisfying the standard regularity conditions in mechanism design) where an equivalence result holds between private disclosure and public disclosure.The second chapter, co-authored with Takuro Yamashita, is motivated by Chung and Ely (2007), who establish maxmin and Bayesian foundations for dominant-strategy mechanisms in private-value auction environments. We first show that similar foundation results for ex post mechanisms hold true even with interdependent values if the interdependence is only cardinal. Conversely, if the environment exhibits ordinal interdependence, which is typically the case with multi-dimensional environments, then in general, ex post mechanisms do not have foundation. That is, there exists a non-ex-post mechanism that achieves strictly higher expected revenue than the optimal ex post mechanism, regardless of the agents' high-order beliefs. The third chapter shows that dynamic inconsistency in collective decision-making can derive from heterogeneity in group members' outside options (i.e. opportunity costs that individuals have to pay in order to join the group), even if individuals share the same exponentially discounting time preference. This model of endogenous dynamic inconsistency facilitatesthe analysis of welfare consequences, since time-consistent individual preferences allow for a well-defined measurement of social welfare. We further characterize the optimal Bayesian persuasion information disclosure policy, which takes the form of upper revealing rules, to alleviate the welfare distortion caused by inconsistent collective decisions. Our framework proves to be highly adaptable to various contexts, including provision of public facilities and assignment on team work.
Essays In Mechanism Design
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Author : Guilherme Pereira de Freitas
language : en
Publisher:
Release Date : 2013
Essays In Mechanism Design written by Guilherme Pereira de Freitas and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with categories.
This dissertation contains three essays on mechanism design. The common goal of these essays is to assist in the solution of different resource allocation problems where asymmetric information creates obstacles to the efficient allocation of resources. In each essay, we present a mechanism that satisfactorily solves the resource allocation problem and study some of its properties. In our first essay, "Combinatorial Assignment under Dichotomous Preferences", we present a class of problems akin to time scheduling without a pre-existing time grid, and propose a mechanism that is efficient, strategy-proof and envy-free. Our second essay, "Monitoring Costs and the Management of Common-Pool Resources", studies what can happen to an existing mechanism - the individual tradable quotas (ITQ) mechanism, also known as the cap-and-trade mechanism - when quota enforcement is imperfect and costly. Our third essay, "Vessel Buyback", coauthored with John O. Ledyard, presents an auction design that can be used to buy back excess capital in overcapitalized industries.
Essays In Mechanism Design
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Author : Weixin Chen (Researcher in microeconomic theory)
language : en
Publisher:
Release Date : 2020
Essays In Mechanism Design written by Weixin Chen (Researcher in microeconomic theory) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with categories.
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.
Essays On Mechanism Design Without Transfers
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Author : Ethem Akyol
language : en
Publisher:
Release Date : 2014
Essays On Mechanism Design Without Transfers written by Ethem Akyol and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with categories.
This dissertation consists of three chapters.In Chapter 1, we compare two widely used allocation methods for school choice, the Deferred Acceptance (DA) mechanism and the Boston mechanism, in terms of welfare. We consider a symmetric incomplete information setting in which students have independently drawn valuations for schools and all schools have an identical ranking of the students. Our main result is that when each school has one available seat and the number of schools and students is large, every type of every student has a higher interim utility under the Boston mechanism than under the DA mechanism. Although this strong result is not true when the number of schools is small, even in this case, the Boston mechanism is ex-ante welfare superior to DA under weak conditions on the distribution of valuations.In Chapter 2, we consider the problem of allocating n>=2 indivisible distinct objects (possibly with multiple copies of each) to m>=2 agents without monetary transfers. We assume that agents have private preferences and consider mechanisms that depend only on agents' reported ordinal preferences. Full efficiency cannot be achieved in this environment, and so we look for a welfare maximizing, incentive compatible mechanism. We show that when agents' rankings over objects are independent of other agents' rankings and each possible ranking is equally likely, the so-called Ranking mechanism (first-order) stochastically dominates any other anonymous, neutral and incentive compatible ordinal mechanism. In particular, when agents' preferences over random allocations are responsive, every type of every agent has a higher interim welfare under the Ranking mechanism.In Chapter 3, we consider the problem of allocating multiple objects to agents via an auction by using "points" as in the "Course Bidding System" that is used by several business schools. Each agent has a fixed amount of divisible points which can only be used for bidding and have no monetary value. Agents simultaneously bid for the objects, and each object is given to the agent who bids highest for that object. This game is equivalent to the classical "Colonel Blotto" game. We consider this game under incomplete information when agents have private values for the objects. For a class of value distributions, we solve for a Bayes-Nash equilibrium of this game. Furthermore, for all the value distributions for which we can solve for equilibrium in closed form, we show that every type of agent has a higher interim payoff under this allocation method than any other incentive compatible allocation method that depends only on ordinal preferences.
Essays In Mechanism Design
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Author : Yunan Li
language : en
Publisher:
Release Date : 2017
Essays In Mechanism Design written by Yunan Li and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with categories.
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.
Three Essays In Monetary Theory
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Author : Ludwig van den Hauwe
language : en
Publisher: BoD – Books on Demand
Release Date : 2009
Three Essays In Monetary Theory written by Ludwig van den Hauwe and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.
Essays On Mechanism Design And Implementation
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Author : Maria Goltsman
language : en
Publisher:
Release Date : 2006
Essays On Mechanism Design And Implementation written by Maria Goltsman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.