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Applications of dynamic game theory to Industrial Organization / 産業組織論への動学ゲームの応用Notsu, Takaomi 25 March 2019 (has links)
京都大学 / 0048 / 新制・課程博士 / 博士(経済学) / 甲第21526号 / 経博第594号 / 新制||経||289(附属図書館) / 京都大学大学院経済学研究科経済学専攻 / (主査)教授 関口 格, 准教授 菊谷 達弥, 教授 原 千秋 / 学位規則第4条第1項該当 / Doctor of Economics / Kyoto University / DGAM
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Essays on economics of airline alliancesXie, Xin January 1900 (has links)
Doctor of Philosophy / Department of Economics / Philip G. Gayle / This dissertation constitutes two essays in the field of industrial organization. Specifically, the research focuses on empirically assessing the market effects of airline alliances.
The first essay examines how codesharing, a form of strategic alliances, by airlines affects market entry decisions of potential competitors. Researchers have written extensively on the impact that strategic alliances between airlines have on airfare, but little is known of the market entry deterrent impact of strategic alliances. Using a structural econometric model, this essay examines the market entry deterrent impact of codesharing between incumbent carriers in U.S. domestic air travel markets. We find that a specific type of codesharing between market incumbents has a market entry deterrent effect to Southwest Airlines, but not other potential entrants. Furthermore, we quantify the extent to which market incumbents’ codesharing influences market entry cost of potential entrants.
The second essay examines the effects of granting Antitrust Immunity (ATI) to a group of airlines. Airline alliance partners often want to extend cooperation to revenue sharing, which effectively implies joint pricing of their products (explicit price collusion). To explicitly collude on price, airlines must apply to the relevant government authorities for ATI (U.S. Department of Justice and Department of Transportation in the case of air travel markets that have a U.S. airport as an endpoint), which effectively means an exemption from prosecution under the relevant antitrust laws. Whether consumers, on net, benefit from a grant of ATI to partner airlines has caused much public debate. This essay specifically investigates the impact of granting ATI to oneworld alliance members on their price, markup, and various measures of cost. The evidence suggests that the grant of ATI facilitated a decrease in partner carriers’ marginal cost, and increased (decreased) their markup in markets where their service do (do not) overlap. Furthermore, member carriers’ price did not change (decreased) in markets where their services do (do not) overlap, implying that consumers, on net, benefit in terms of price changes.
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Essays in Industrial Organization: Market PerformanceYe, Mingxiao 12 January 2012 (has links)
This thesis consists of three papers. Industries that motivated this analysis range are exclusive clubs (Chapter 1) and pharmaceuticals (Chapters 2 and 3). A common thread is the study of the strategic behavior of monopoly or monopoly-like firms and the implications of such behavior.
Chapter 1 studies an “invitation only” strategy for a durable goods monopolist. “Invitation only” functions as a commitment device, enabling the extraction of more profit than the conventional durable goods setting. In addition, the effectiveness of commitment devices in profit-extraction can be compared: each commitment device is modeled as an extra condition in the profit maximization of the general durable goods monopolist, enabling straightforward comparisons across commitment devices.
Chapters 2 and 3 discuss the effect of patent protection on innovation in the pharmaceutical industry, in particular competition to produce drugs that follow-on from pioneer drug discovery, and any feedback effects on pioneer innovation. Despite the conventional notion, I show that longer patent protection may reduce or distort the incentives of innovation: with longer patents, the increased need of pioneer inventors in deterring the production of follow-on drugs may translate to less profitability for the pioneer inventor.
Chapter 2 serves as a background and a literature review for Chapter 3. It explains the multi-stage drug discovery process and the phenomenon of follow-on drugs; it reviews strategic entry deterrence theories and summarizes the behavior of brand-name drug firms in deterring generic entry studied in the literature; it also reviews the optimal patent length and breadth literature.
Chapter 3 presents several observed puzzles in the pharmaceutical industry and provides a unified explanation for these puzzles within a strategic entry deterrence model. The central conclusion is that under some general conditions, longer patent life distorts incentives for innovation and lowers research productivity: pioneer research is discouraged relative to follow-on research; inexpensive R&D projects are discouraged, and ceteris paribus expensive projects are favored instead, especially those with large clinical trial costs. Other predictions from the model accord with industry observations, including mid-development cancellations of potential drugs for non-medical reasons and early development of follow-on drugs in large markets.
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Essays in Industrial Organization: Market PerformanceYe, Mingxiao 12 January 2012 (has links)
This thesis consists of three papers. Industries that motivated this analysis range are exclusive clubs (Chapter 1) and pharmaceuticals (Chapters 2 and 3). A common thread is the study of the strategic behavior of monopoly or monopoly-like firms and the implications of such behavior.
Chapter 1 studies an “invitation only” strategy for a durable goods monopolist. “Invitation only” functions as a commitment device, enabling the extraction of more profit than the conventional durable goods setting. In addition, the effectiveness of commitment devices in profit-extraction can be compared: each commitment device is modeled as an extra condition in the profit maximization of the general durable goods monopolist, enabling straightforward comparisons across commitment devices.
Chapters 2 and 3 discuss the effect of patent protection on innovation in the pharmaceutical industry, in particular competition to produce drugs that follow-on from pioneer drug discovery, and any feedback effects on pioneer innovation. Despite the conventional notion, I show that longer patent protection may reduce or distort the incentives of innovation: with longer patents, the increased need of pioneer inventors in deterring the production of follow-on drugs may translate to less profitability for the pioneer inventor.
Chapter 2 serves as a background and a literature review for Chapter 3. It explains the multi-stage drug discovery process and the phenomenon of follow-on drugs; it reviews strategic entry deterrence theories and summarizes the behavior of brand-name drug firms in deterring generic entry studied in the literature; it also reviews the optimal patent length and breadth literature.
Chapter 3 presents several observed puzzles in the pharmaceutical industry and provides a unified explanation for these puzzles within a strategic entry deterrence model. The central conclusion is that under some general conditions, longer patent life distorts incentives for innovation and lowers research productivity: pioneer research is discouraged relative to follow-on research; inexpensive R&D projects are discouraged, and ceteris paribus expensive projects are favored instead, especially those with large clinical trial costs. Other predictions from the model accord with industry observations, including mid-development cancellations of potential drugs for non-medical reasons and early development of follow-on drugs in large markets.
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Intermediary Search for Suppliers in Procurement AuctionsHonda, Jun 08 1900 (has links) (PDF)
In many procurement auctions, entrants determine whether to participate in auctions accounting for their roles of intermediaries who search for the best (or the cheapest) input suppliers. We build on a procurement auction model with entry, combining with intermediary search for suppliers. The novel feature is that costs of bidders are endogenously determined by suppliers who strategically charge input prices. We show the existence of an equilibrium with price dispersion for inputs, generating cost heterogeneity among bidders. Interestingly, the procurement cost may rise as the number of potential bidders increases. (author's abstract) / Series: Department of Economics Working Paper Series
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Saggi di economia industriale / ESSAY ON INDUSTRIAL ORGANIZATIONPIGNATARO, ALDO 29 May 2017 (has links)
La presente tesi fornisce un contributo originale al dibattito esistente tra gli economisti industriali sul rapporto tra concorrenza e asimmetrie informative. Infatti, l’obiettivo principale di questo lavoro consiste nell'investigare, da un punto di vista teorico (e supportato dall'evidenza empirica), come alcune barriere informative presenti nel mercato influenzano le strategie imprenditoriali in diversi contesti competitivi, fornendo implicazioni di policy per autorità garanti della concorrenza e a tutela del consumatore. Nello specifico, il primo capitolo esamina gli incentivi di una impresa dominante in un mercato a monte a offrire contratti di esclusiva ad un monopolista nel mercato a valle, quando vi è incertezza riguardo alla domanda finale dei consumatori. Nei capitoli seguenti, invece, l’analisi si caratterizza dalla presenza del concetto comportamentale di "avversione alla perdita", particolarmente rilevante nelle decisioni di acquisto dei cosiddetti "beni di esperienza". In questi mercati le imprese possono decidere liberamente di permettere test sui propri prodotti prima del loro acquisto, modificando quindi l’utilità attesa dei consumatori. Il secondo capitolo analizza le strategie di vendita per un monopolista. Il terzo capitolo, invece, esamina l’equilibrio di mercato in un contesto competitivo e come l’utilizzo di test sui prodotti possa essere adoperato come strumento collusivo. / This dissertation provides an original contribution to the existing debate between industrial economists on the relationship between competition and information asymmetries. Indeed, the main goal of this work consists in investigating, from a theoretical point of view (and supported by empirical evidence), how some informational frictions in the market affect firm’s strategies in different competitive environments, providing policy implications for competition and consumer protection authorities. Specifically, the first chapter looks at the incentives of a dominant firm in an upstream market to offer exclusive dealing contracts to a monopolist in the downstream market, when there is uncertainty about consumer demand. In the following chapters, instead, the analysis is characterized by the presence of the behavioral concept of "loss aversion", which is particularly relevant in the purchase decisions of the so-called "experience goods". In these markets, firms can freely decide to allow product experimentation before purchase, thus modifying the consumers' expected utility. The second chapter analyzes the monopolist's sales strategies. The third chapter, instead, examines the market equilibrium in a competitive environment and how product experimentation can be used as a collusive device.
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Essays on Financial EconomicsChi, Mengyang 14 April 2021 (has links)
This dissertation consists of three papers. In the first paper, I study firms' capital raising decisions in a two-stage signaling game. In the model, firms can issue debt or equity to finance sequentially arriving investment projects. Management is assumed to have an initial information advantage over investors. However, when a firm's decision in the first stage can change investors' beliefs and, consequently, impact the security issuance in the second stage, its optimal choice differs significantly from the strict debt-equity preference in a comparable one-stage model. In equilibrium, a dynamic pecking order arises, suggesting that the information friction can solely explain various aspects of observed corporate financing behavior.
The second paper is coauthored with Hans Haller. In this paper, we model how different wealth constraints among investors affect an entrepreneur's way of raising capital, his share of project NPV, and his ownership of the new firm. Combining cooperative and noncooperative approaches, we develop and analyze a bargaining framework and demonstrate cases in which a fair division cannot be achieved when sharing of cost and sharing of return are jointly considered. Our results cover conditions on how the entrepreneur can strategically achieve larger net wealth accumulation, and when he can obtain control of the firm. We further discuss the entrepreneur's preferences on the firm's ownership dispersion level under public financing.
The third paper argues that although innovation is costlier than imitation, the incumbent firm is endowed with an advantage of enhancing its product ahead of potential competitors. In a model that connects consumers' utility with firms' production, I show that the incumbent's product enhancement decision can foster the creation of a better product, improve consumers' utility, and deter entrance from competitors. The pace of creative activities is determined by the incumbent's potential of improving its product quality and the nature of product differentiation in the industry. Thus, creative destruction may not manifest itself as new firms replacing the incumbent, but as the incumbent constantly renovating its product. / Doctor of Philosophy / This dissertation consists of three papers. In the first paper I study the adverse selection problem faced by firms in a dynamic information environment, the difference between incentives provided by debt and equity securities, and how different contracts and model settings affect the equilibrium outcome, investment efficiency, and social welfare. The premise of the first paper is that dynamic elements of information asymmetry are key to better understanding how firms raise capital. This study aims to provide a more complete description and improve our understanding of the role of information in capital markets and how asymmetric information might interact with other market frictions.
In the second paper I study the origin of the firm and the bargaining problem between entrepreneurs and investors. This second paper intends to provide one possible answer for the question why firms do exist. The main point in the paper is that even when we abstract away from standard frictions like adverse selection or moral hazard, an entrepreneur still has to bargain with investors to raise the required amount of capital. The firm has to be established to enforce the bargaining outcome, which takes the form of an ownership contract, because there is a time gap between conducting the investment and when the proceed can be realized. Another purpose of this second study is to investigate fairness instead of efficiency.
Finally, in the third paper, I address the question how and when an incumbent monopolist can deter entry by means of investment in product quality enhancement. In some industries, creative destruction can be frequently observed: Incumbent firms are replaced by new firms that offer slightly different but better products. On the other hand, in a number of industries incumbent firms are at the forefront of innovation and stay ahead of potential entrants. I consider a model that allows for the latter fact combined with another frequent fact: that potential entrants more or less copy the incumbent's prior product, regardless of existence and enforcement of intellectual property rights. This third paper offers predictions on product innovation and market failure across firms and industries.
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