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Author : Jin-Soo Yoo
Publisher :
ISBN 13 :
Total Pages : 198 pages
Book Rating : 4.:/5 (33 download)
Download or read book Three Essays on Dynamic Games in Industrial Organization written by Jin-Soo Yoo and published by . This book was released on 1990 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Xiaoxiao Hu
Publisher :
ISBN 13 :
Total Pages : 109 pages
Book Rating : 4.:/5 (111 download)
Download or read book Three Essays on Dynamic Games with Asymmetric Information written by Xiaoxiao Hu and published by . This book was released on 2019 with total page 109 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Asaf Plan
Publisher :
ISBN 13 :
Total Pages : 70 pages
Book Rating : 4.:/5 (769 download)
Download or read book Three Essays on Dynamic Games written by Asaf Plan and published by . This book was released on 2010 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chapter 1: This chapter considers a new class of dynamic, two-player games, where a stage game is continuously repeated but each player can only move at random times that she privately observes. A player's move is an adjustment of her action in the stage game, for example, a duopolist's change of price. Each move is perfectly observed by both players, but a foregone opportunity to move, like a choice to leave one's price unchanged, would not be directly observed by the other player. Some adjustments may be constrained in equilibrium by moral hazard, no matter how patient the players are. For example, a duopolist would not jump up to the monopoly price absent costly incentives. These incentives are provided by strategies that condition on the random waiting times between moves; punishing a player for moving slowly, lest she silently choose not to move. In contrast, if the players are patient enough to maintain the status quo, perhaps the monopoly price, then doing so does not require costly incentives. Deviation from the status quo would be perfectly observed, so punishment need not occur on the equilibrium path. Similarly, moves like jointly optimal price reductions do not require costly incentives. Again, the tempting deviation, to a larger price reduction, would be perfectly observed. This chapter provides a recursive framework for analyzing these games following Abreu, Pearce, and Stacchetti (1990) and the continuous time adaptation of Sannikov (2007). For a class of stage games with monotone public spillovers, like differentiated-product duopoly, I prove that optimal equilibria have three features corresponding to the discussion above: beginning at a "low" position, optimal, upward moves are impeded by moral hazard; beginning at a "high" position, optimal, downward moves are unimpeded by moral hazard; beginning at an intermediate position, optimally maintaining the status quo is similarly unimpeded. Corresponding cooperative dynamics are suggested in the older, non-game-theoretic literature on tacit collusion. Chapter 2: This chapter shows that in finite-horizon games of a certain class, small perturbations of the overall payoff function may yield large changes to unique equilibrium payoffs in periods far from the last. Such perturbations may tie together cooperation across periods in equilibrium, allowing substantial cooperation to accumulate in periods far from the last. Chapter 3: A dynamic choice problem faced by a time-inconsistent individual is typically modeled as a game played by a sequence of her temporal selves, solved by SPNE. It is recognized that this approach yields troublesomely many solutions for infinite-horizon problems, which is often attributed to the existence of implausible equilibria based on self-reward and punishment. This chapter presents a refinement applicable within the special class of strategically constant (SC) problems, which are those where all continuation problems are isomorphic. The refinement requires that each self's strategy be invariant, here that implies history-independence under the isomorphism. I argue that within the class of SC problems, this refinement does little more than rule out self-reward and punishment. The refinement substantially narrows down the set of equilibria in SC problems, but in some cases allows plausible equilibria that are excluded by other refinement approaches. The SC class is limited, but broader than it might seem at first.
Author : Juan Escobar
Publisher :
ISBN 13 :
Total Pages : 130 pages
Book Rating : 4.F/5 ( download)
Download or read book Essays in Dynamic Games written by Juan Escobar and published by . This book was released on 2009 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Di Pei (Ph. D.)
Publisher :
ISBN 13 :
Total Pages : 189 pages
Book Rating : 4.:/5 (15 download)
Download or read book Essays on Dynamic Games and Reputations written by Di Pei (Ph. D.) and published by . This book was released on 2018 with total page 189 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis consists of three essays on dynamic games with incomplete information. In Chapter 1, I study reputation effects when individuals have persistent private information that matters for their opponents' payoffs. I examine a repeated game between a patient informed player and a sequence of myopic uninformed players. The informed player privately observes a persistent state, and is either a strategic type who can flexibly choose his actions or is one of the several commitment types that mechanically plays the same action in every period. Unlike the canonical models on reputation effects, the uninformed players' payoffs depend on the state. This interdependence of values introduces new challenges to reputation building, namely, the informed player could face a tradeo between establishing a reputation for commitment and signaling favorable information about the state. My results address the predictions on the informed player's payoff and behavior that apply across all Nash equilibria. When the stage game payoffs satisfy a monotone-supermodularity condition, I show that the informed long-run player can overcome the lack-of-commitment problem and secure a high payoff in every state and in every equilibrium. Under a condition on the distribution over states, he will play the same action in every period and maintain his reputation for commitment in every equilibrium. If the payoff structure is unrestricted and the probability of commitment types is small, then the informed player's return to reputation building can be low and can provide a strict incentive to abandon his reputation. In Chapter 2, I study the dynamics of an agent's reputation for competence when the labor market's information about his performance is disclosed by an intermediary who cannot commit. I show that this game admits a unique Markov Perfect Equilibrium (MPE). When the agent is patient, his effort is inverse U-shaped, while the rate of information disclosure is decreasing over time. I illustrate the inefficiencies of the unique MPE by comparing it with the equilibrium in the benchmark scenario where the market automatically observes all breakthroughs. I characterize a tractable subclass of non-Markov Equilibria and explain why allowing players to coordinate on payoff-irrelevant events can improve eciency on top of the unique MPE and the exogenous information benchmark. When the intermediary can commit, her optimal Markov disclosure policy has a deadline, after which no breakthrough will be disclosed. However, deadlines are not incentive compatible in the game without commitment, illustrating a time inconsistency problem faced by the intermediary. My model can be applied to professional service industries, such as law and consulting. My results provide an explanation to the observed wage and promotion patterns in Baker, Gibbs and Holmström (1994). In Chapter 3, I study repeated games in which a patient long-run player (e.g. a rm) wishes to win the trust of some myopic opponents (e.g. a sequence or a continuum of consumers) but has a strict incentive to betray them. Her benet from betrayal is persistent over time and is her private information. I examine the extent to which persistent private information can overcome this lack-of-commitment problem. My main result characterizes the set of payoffs a patient long-run player can attain in equilibrium. Interestingly, every type's highest equilibrium payoff only depends on her true benet from betrayal and the lowest possible benet in the support of her opponents' prior belief. When this lowest possible benet vanishes, every type can approximately attain her Stackelberg commitment payoff. My finding provides a strategic foundation for the (mixed) Stackelberg commitment types in the reputation models, both in terms of the highest attainable payoff and in terms of the commitment behaviors. Compared to the existing approaches that rely on the existence of crazy types that are either irrational or have drastically dierent preferences, there is common knowledge of rationality in my model, and moreover, players' ordinal preferences over stage game outcomes are common knowledge.
Author : Gyu Ho Wang
Publisher :
ISBN 13 :
Total Pages : 314 pages
Book Rating : 4.F/5 ( download)
Download or read book Essays on Dynamic Game Theory written by Gyu Ho Wang and published by . This book was released on 1991 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dahmouni Ilyass
Publisher :
ISBN 13 :
Total Pages : 101 pages
Book Rating : 4.:/5 (115 download)
Download or read book Three essays on dynamic games and sustainable fishery management written by Dahmouni Ilyass and published by . This book was released on 2019 with total page 101 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ruitian Lang
Publisher :
ISBN 13 :
Total Pages : 161 pages
Book Rating : 4.:/5 (89 download)
Download or read book Essays on Dynamic Games and Mechanism Design written by Ruitian Lang and published by . This book was released on 2014 with total page 161 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dissertation considers three topics in dynamic games and mechanism design. In both problems, asymmetric information causes inefficiency in production and allocation. The first chapter considers the inefficiency from the principal's inability to observes the agent's effort or cost of effort, and explores its implication to the principal's response to the combination of the output and the signal about the cost of effort. For example, the principal may punish the agent more harshly for low output when signals suggest that cost of effort is high when the effort is of high value for the principal. This chapter also classifies the long-run behavior of the relationship between the principal and the agent. Depending on whether the agent is strictly risk-averse and whether he is protected by limited liability, the state of the relationship may or may not converge to a stationary state and the stationary state may nor may not depend on the initial condition. The second chapter considers the re-allocation of assets among entrepreneurs with different matching qualities, which contributes to the growth of the whole economy. Due to reasons that are not explicitly modeled, assets are not automatically allocated to entrepreneurs who are best at operating them from the beginning, and this inefficiency is combined with inefficiency in the asset market and potential imperfection of labor contracting. When asset re-allocation can become a main source of economic growth, this chapter argues that imperfection in the labor contracting environment may boost the economic growth. The third chapter assumes that the agent's output is contractible but he can privately acquire more information about his cost of production prior to contracting. Compared to the optimal screening contract, the principal's contract in this case must not only induce the agent to "tell the truth", but also to give the agent the incentive to acquire appropriate amount of information. This may create distortion of allocation to the most efficient type and whether this happens is related to the marginal loss incurred by the principal from the cost of information acquisition.
Author : Daniel Robert Vincent
Publisher :
ISBN 13 :
Total Pages : 208 pages
Book Rating : 4.:/5 (823 download)
Download or read book Strategic Interaction in Dynamic Trading Games written by Daniel Robert Vincent and published by . This book was released on 1988 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Yuhta Ishii
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (882 download)
Download or read book Essays in Dynamic Games written by Yuhta Ishii and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation presents three independent essays. Chapter 1, which is joint work with Mira Frick, studies a model of innovation adoption by a large population of long-lived consumers who face stochastic opportunities to adopt an innovation of uncertain quality. We study how the potential for social learning in an economy affects consumers' informational incentives and how these in turn shape the aggregate adoption dynamics of an innovation. For a class of Poisson learning processes, we establish the existence and uniqueness of equilibria. In line with empirical findings, equilibrium adoption patterns are either S-shaped or feature successions of concave bursts. In the former case, our analysis predicts a novel saturation effect: Due to informational free-riding, increased opportunities for social learning necessarily lead to temporary slow-downs in learning and do not produce welfare gains.
Author : Puduru Viswanadha Reddy
Publisher :
ISBN 13 : 9789056683016
Total Pages : 112 pages
Book Rating : 4.6/5 (83 download)
Download or read book Essays on Dynamic Games written by Puduru Viswanadha Reddy and published by . This book was released on 2011 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ju Hu
Publisher :
ISBN 13 :
Total Pages : 256 pages
Book Rating : 4.:/5 (96 download)
Download or read book Essays on Reputations and Dynamic Games written by Ju Hu and published by . This book was released on 2016 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation consists of three essays on reputations and dynamic games. I investigate how incomplete information, Bayesian Learning and strategic behavior interplay in different dynamic settings. In Chapter 1, I study reputation effects between a long-lived seller and different short-lived buyers where buyers enter the market at random times and only observe a coarse public signal about past transactions. The signal measures the difference between the number of good and bad outcomes in a biased way: a good outcome is more likely to increase the signal than a bad outcome to decrease it. The seller has a short-run incentive to shirk, but makes high profits if it were possible to commit to high effort. I show if there is a small but positive chance that the seller is a commitment type who always exerts high effort and if information bias is large, equilibrium behavior of the seller exhibits cyclic reputation building and milking. The seller exerts high effort at some values of the signals in order to increase the chance of reaching a higher signal and build reputation. Once the seller builds up his reputation through reaching a high enough signal, he exploits it by shirking. In chapter 2, I study the reputation effect in which a long-lived player faces a sequence of uninformed short-lived players and the uninformed players receive informative but noisy exogenous signals about the type of the long-lived player. I provide an explicit lower bound on all Nash equilibrium payoffs of the long-lived player. The lower bound shows when the exogenous signals are sufficiently noisy and the long-lived player is patient, he can be assured of a payoff strictly higher than his minmax payoff. In Chapter 3 I study optimal dynamic monopoly pricing when a monopolist sells a product with unknown quality to a sequence of short-lived buyers who have private information about the quality. Because past prices and buyers' purchase behavior convey information about private signals, they jointly determine the public belief about the quality of the monopolist's product. The monopolist is essentially doing experimentation in the market because every price charged generates not only current period profit but also additional information about the quality. I focus on information structures with a continuum of signals. Under a mild regularity condition on information structures, I show that in equilibrium, the optimal price is an increasing function of the public beliefs. In addition, I fully characterize information cascade sets in terms of information structure. I find that the standard characterization in terms of boundedness of information structure in the social learning literature no longer holds in the presence of a monopoly. In fact, whether herding occurs or not depends more on the values of the conditional densities of the signals at the lowest signal.
Author : Rahul Deb
Publisher :
ISBN 13 :
Total Pages : 250 pages
Book Rating : 4.:/5 (775 download)
Download or read book Essays on Dynamic Games written by Rahul Deb and published by . This book was released on 2010 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ying Jiang
Publisher :
ISBN 13 :
Total Pages : 148 pages
Book Rating : 4.:/5 (956 download)
Download or read book Essays on the Analysis of Dynamic Games written by Ying Jiang and published by . This book was released on 2016 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation seeks to combine ideas from literature in Machine Learning and the econometric analysis of games, and contributes to the analysis of dynamic competition in the context of high dimensional covariates. Chapter 1 studies new entry and mergers in the U.S. airlines industry and explores how the incentives of legacy carriers to accommodate new entry change when they merge and whether low cost carriers are sensitive to these changes when making entry decisions. We estimate an explicitly network-wide, strategic and dynamic model of airline competition, and find evidence that Southwest was more likely to enter markets where, from Delta and Northwest's perspective, the expected value of committing aircraft capacity, relative to other markets, fell the most post-merger. Chapter 2 develops a method for deriving policy function improvements for a single agent in high dimensional Markov dynamic games. We derive a one-step improvement policy over any given benchmark policy, and the one-step improvement policy can in turn be improved upon until a suitable stopping rule is met. Chapter 3 applies the method proposed in Chapter 2 to solve for policy function improvements in a high-dimensional entry game similar to that studied by Holmes (2011). The game has a state variable vector with an average cardinality of 10^42. We find that our algorithm results in a nearly 300 percent improvement in expected profits as compared to a benchmark strategy.
Author : Katsuhiko Aiba
Publisher :
ISBN 13 :
Total Pages : 122 pages
Book Rating : 4.:/5 (781 download)
Download or read book Essays on Dynamic Games and Evolution written by Katsuhiko Aiba and published by . This book was released on 2011 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sofia Joana Moroni Ulloa
Publisher :
ISBN 13 :
Total Pages : 418 pages
Book Rating : 4.:/5 (953 download)
Download or read book Essays on Dynamic Games with Incomplete Information written by Sofia Joana Moroni Ulloa and published by . This book was released on 2015 with total page 418 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Reinhard Selten (Economist, Germany)
Publisher : Edward Elgar Publishing
ISBN 13 : 9781781008294
Total Pages : 924 pages
Book Rating : 4.0/5 (82 download)
Download or read book Game Theory and Economic Behaviour written by Reinhard Selten (Economist, Germany) and published by Edward Elgar Publishing. This book was released on 1999-03-24 with total page 924 pages. Available in PDF, EPUB and Kindle. Book excerpt: 'These two volumes constitute an impressive collection of selected path-breaking works of Professor Selten. . . . Edward Elgar Publications deserve merit for bringing out most frequently-cited and prominent articles of Professor Selten in a conveniently available package.' - K. Ravikumar, Journal of Scientific and Industrial Research In 1994, the Nobel Prize was awarded to Reinhard Selten, John Nash and John Harsanyi, for pioneering analysis in game theory. Selten was the first to refine the Nash equilibrium concept of non-cooperative games for analysing dynamic strategic interaction and to apply these concepts to analyses of oligopoly.
