Essays On Arbitrage Theory For A Class Of Informational Markets
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Essays On Arbitrage Theory For A Class Of Informational Markets
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Author : Jun Deng
language : en
Publisher:
Release Date : 2014
Essays On Arbitrage Theory For A Class Of Informational Markets written by Jun Deng and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with Arbitrage categories.
This thesis develops three major essays on Arbitrage Theory, Market's Viability and Informational Markets. The first essay (Chapter 3) elaborates the exact connections among the No-Unbounded-Profit-with-Bounded-Risk (called NUPBR hereafter) condition, the existence of the numeraire portfolio, and market's weak/local viability. These tight relationships together with the financial crisis become our principal financial/economic leitmotif for the development of the next essay. In the second essay (Chapter 4 - Chapter 6), we focus on quantifying with extreme precision the effect of some additional information/uncertainty on the non-arbitrage concepts. As a result, we describe the interplay of this extra information and the market's parameters for these non-arbitrage concepts to be preserved. Herein, we focus on the classical no-arbitrage and the NUPBR condition. This study contains two main parts. In the first part of this essay (Chapter 4), we analyze practical examples of market models and extra information/uncertainty, for which we construct explicit "classical" arbitrage opportunities generated by the extra infor- mation/uncertainty. These examples are built in Brownian filtration and in Poisson filtration as well. The second part (Chapters 5 and 6) addresses the NUPBR condition in two different directions. On the one hand, we describe the pairs of market model and random time for which the resulting informational market model fulfills the NUPBR condition. On the other hand, we characterize the random time models that preserve the NUPBR condition. These results are elaborated for general market models with special attention to practical models such as discrete-time and Levy market models. The last essay (Chapter 7) investigates the effect of additional information on the Structure Conditions. These conditions are the alternatives to the non-arbitrage and viability assumption in the Markowitz settings.
Market Consistent Prices
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Author : Pablo Koch-Medina
language : en
Publisher: Springer Nature
Release Date : 2020-07-16
Market Consistent Prices written by Pablo Koch-Medina and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-07-16 with Mathematics categories.
Arbitrage Theory provides the foundation for the pricing of financial derivatives and has become indispensable in both financial theory and financial practice. This textbook offers a rigorous and comprehensive introduction to the mathematics of arbitrage pricing in a discrete-time, finite-state economy in which a finite number of securities are traded. In a first step, various versions of the Fundamental Theorem of Asset Pricing, i.e., characterizations of when a market does not admit arbitrage opportunities, are proved. The book then focuses on incomplete markets where the main concern is to obtain a precise description of the set of “market-consistent” prices for nontraded financial contracts, i.e. the set of prices at which such contracts could be transacted between rational agents. Both European-type and American-type contracts are considered. A distinguishing feature of this book is its emphasis on market-consistent prices and a systematic description of pricing rules, also at intermediate dates. The benefits of this approach are most evident in the treatment of American options, which is novel in terms of both the presentation and the scope, while also presenting new results. The focus on discrete-time, finite-state models makes it possible to cover all relevant topics while requiring only a moderate mathematical background on the part of the reader. The book will appeal to mathematical finance and financial economics students seeking an elementary but rigorous introduction to the subject; mathematics and physics students looking for an opportunity to get acquainted with a modern applied topic; and mathematicians, physicists and quantitatively inclined economists working or planning to work in the financial industry.
Essays On The Arbitrage Pricing Theory
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Author : George Koutoulas
language : en
Publisher:
Release Date : 1993
Essays On The Arbitrage Pricing Theory written by George Koutoulas and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Arbitrage categories.
This thesis uses the APT to explain the market anomalies and the apparent excess variability of stock returns. It also aims to modify the APT, to test if the Canadian and global North American equity markets are integrated or segmented.
Essays On Financial Markets And Game Theory
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Author : Joshua Mollner
language : en
Publisher:
Release Date : 2015
Essays On Financial Markets And Game Theory written by Joshua Mollner and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.
Trading in financial markets has changed dramatically over the past decade: it has become largely automated and orders of magnitudes faster, and it has become spread out across many venues. Chapters 1 and 2 of this dissertation investigate how this transformation has affected market outcomes. Chapter 1 studies the effect of speed on market outcomes in a setting where information acquisition is endogenous. An increase in trading speed crowds out information acquisition by reducing the gains from trading against mispriced quotes. Thus, faster speeds have two effects on traditional measures of market performance. First, the bid-ask spread declines, since there are fewer informational asymmetries. Second, price efficiency deteriorates, since less information is available to be incorporated into prices. A tradeoff exists between the dual objectives of minimizing the bid-ask spread and maximizing price efficiency. We characterize the frontier of this tradeoff and evaluate several trading mechanisms within this framework. Despite its popularity, the limit order book mechanism generally does not induce outcomes on this frontier. We consider two alternatives: first, a small delay added to the processing of all orders except cancellations, and second, frequent batch auctions. Both induce equilibrium outcomes on this frontier. Chapter 2 investigates how an increase in the number of exchanges affects the bid-ask spread. The welfare consequences of increased exchange competition are theoretically ambiguous. While competition does place downward pressure on the bid-ask spread, this force may be outweighed by increased adverse selection that stems from additional arbitrage opportunities. We investigate this ambiguity empirically by estimating key parameters of the model using detailed trading data from Australia. The benefits of increased competition are outweighed by the costs of multi-venue arbitrage. Compared to the prevailing duopoly, we predict that the counterfactual spread under a monopoly would be 23 percent lower. Further, market design variations on the continuous limit order book would eliminate profits from cross-venue arbitrage strategies and reduce the spread by 51 percent. Finally, eliminating off-exchange trades, so-called dark trading, would reduce the spread by 11 percent. Chapter 3 introduces two new equilibrium refinements for finite normal form games. Both refinements incorporate the intuitive idea that a costless deviation by one player is more likely than a costly deviation by the same or another player. These refinements lead to new restrictions in games with three or more players. Furthermore, these refinements are applied to two well-known auction games: the generalized second price auction and the first-price menu auction. Both refinements select interesting equilibria in these games, and may be interpreted as providing a strategic foundation for the selections that others have made.
Essays On Modern Financial Markets
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Author : Markus Baldauf
language : en
Publisher:
Release Date : 2015
Essays On Modern Financial Markets written by Markus Baldauf and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.
Trading in public equity markets has changed drastically over the past decade: it has become largely automated and orders of magnitudes faster, and it has become spread out across many venues. This dissertation investigates how this transformation has affected market outcomes. Chapter 1 investigates the effect of the proliferation of exchanges on the bid-ask spread. The welfare consequences of increased exchange competition are theoretically ambiguous. While com- petition does place downward pressure on the bid-ask spread, this force may be outweighed by increased adverse selection of liquidity providers that stems from additional arbitrage opportunities. We investigate this ambiguity empirically by estimating key parameters of the model using detailed trading data from Australia. The benefits of increased competition are outweighed by the costs of multi-venue arbitrage. Compared to the prevailing duopoly, we predict that the counterfactual spread under a monopoly would be 23 percent lower. Further, market design variations on the continuous limit order book would eliminate profits from cross-venue arbitrage strategies and reduce the spread by 51 percent. Finally, eliminating off-exchange trades, so-called dark trading, would reduce the spread by 11 percent. Chapter 2 studies the effect of trading speed on market outcomes in a setting where information acquisition is endogenous. An increase in trading speed crowds out information acquisition by reducing the gains from trading against mispriced quotes. Thus, faster speeds have two effects on traditional measures of market performance. First, the bid-ask spread declines, since there are fewer informational asymmetries. Second, price efficiency deteriorates, since less information is available to be incorporated into prices. A general tradeoff exists between low spreads and price efficiency. We characterize the frontier of this tradeoff and evaluate several trading mechanisms within this framework. The prevalent limit order book mechanism generally does not induce outcomes on this frontier. We consider two alternatives: first, a small delay added to the processing of all orders except cancellations, and second, frequent batch auctions. Both induce equilibrium outcomes on this frontier. Chapter 3 investigates the consequences of information arrival on market outcomes in an environment where both high-frequency traders and slow traders engage in liquidity provision. To that end, we develop a model that predicts that fast traders achieve a relative increase in profits obtained from liquidity provision following a news event, which they achieve both by (i) trading smaller volumes at mispriced quotes, and (ii) winning the race to supply liquidity at updated quotes. We find strong support for these model predictions using data from NASDAQ and the Toronto Stock Exchange. The identification strategy is based on an unanticipated news event in which the Twitter feed of the Associated Press falsely reported a successful terrorist attack.
Arbitrage Theory
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Author : Jochen Wilhelm
language : en
Publisher: Springer
Release Date : 1985
Arbitrage Theory written by Jochen Wilhelm and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Arbitrage categories.
Essays On International Arbitrage And Market Efficiency
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Author : John Halvard Noer
language : en
Publisher:
Release Date : 1988
Essays On International Arbitrage And Market Efficiency written by John Halvard Noer and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Arbitrage categories.
Essays On Market Microstructure Models And Their Estimation
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Author : Richard James Vagnoni
language : en
Publisher:
Release Date : 2004
Essays On Market Microstructure Models And Their Estimation written by Richard James Vagnoni and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.
Essays On Information Acquisition And Asset Pricing
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Author : Paul Marmora
language : en
Publisher:
Release Date : 2015
Essays On Information Acquisition And Asset Pricing written by Paul Marmora and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.
In this dissertation, I explore different mechanisms by which information is generated in financial markets, and whether these mechanisms can account for empirical anomalies that models without information choice have difficulty explaining. In the first chapter, I survey the theoretical literature on perfectly competitive asset markets, with a particular focus on rational expectations models with endogenous information acquisition. In the second chapter, ``The Distribution of Information, the Market for Financial News, and the Cost of Capital", I present a rational expectations model with a competitive market for financial news that provides an explanation for why stocks with a higher degree of information asymmetry tend to earn higher expected returns. I demonstrate that when a small fraction of investors hold a large fraction of a firm's private information, few investors demand a copy of firm-specific news in equilibrium. As a result, each investor must incur a larger share of the fixed cost of news production to obtain a copy, which deters investors from learning more about the firm and therefore raises their required risk premium. This result hinges crucially on the ability of investors to share in the fixed cost of news production, which suggests that the financial news media plays an important role in determining how the cost of capital varies with the inequality of information across investors. In the third chapter, ``Learning About Noise" (with Oleg Rytchkov), we study theoretical implications of endogenous acquisition of non-fundamental information in financial markets. We develop a rational expectations model with heterogeneous information and multidimensional costly learning and demonstrate that i) investors specialize in information acquisition, that is, those who are endowed with high (low) quality information about fundamentals learn only about fundamentals (noise), ii) learning about fundamentals increases the asymmetry of information, whereas learning about noise decreases it, and iii) the opportunity to learn about noise unambiguously increases price informativeness.
Essays On Asset Pricing Using Information From Option Markets
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Author : Konstantinos Gkionis
language : en
Publisher:
Release Date : 2020
Essays On Asset Pricing Using Information From Option Markets written by Konstantinos Gkionis 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.