Equilibria In The Capm With Nontradeable Endowments PDF Download
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| Author | : Pablo Koch-Medina |
| Publisher | : |
| Total Pages | : 32 |
| Release | : 2015 |
| Genre | : |
| ISBN | : |
Download Equilibria in the CAPM with Nontradeable Endowments Book in PDF, ePub and Kindle
This paper establishes existence and uniqueness of equilibria in a capital asset pricing model (CAPM) with non-tradeable endowments. The result is obtained by generalising the classical two-fund separation for asset-demand functions to reduce a multi-variate fixed-point problem to a uni-variate one. The paper highlights the importance of two limiting properties of agents' risk aversion. First, individual asset demand may become undefined if the limiting slopes of the investor's indifference curves are finite. Second, agents' aggregate demand for risk may be bounded from above so that no equilibrium exists if market risk is too large. The paper provides an explicit pricing formula and a generalised security market line and studies the effect of non-traded endowments on asset prices and asset allocations.
| Author | : Gevorg Hunanyan |
| Publisher | : Springer Nature |
| Total Pages | : 117 |
| Release | : 2019-10-05 |
| Genre | : Business & Economics |
| ISBN | : 3658279567 |
Download The Consequences of Short-Sale Constraints on the Stability of Financial Markets Book in PDF, ePub and Kindle
Gevorg Hunanyan develops a model that provides a comprehensive theoretical framework to study the consequences of short-sale constraints on the stability of financial markets. This model shows that overpricing of securities is solely attributable to the subjective second moment beliefs of investors. Thus, short-sale constraints prevent a market decline only if investors have low dispersion of beliefs, which in the model is embodied in the covariance matrix. Moreover, the author analyses the consequences of short-sale constraints on the investor’s portfolio selection, risk-taking behaviour as well as default probability. The author develops criteria that allow to analyse the effectiveness of short-sale constraints in reducing portfolio risk as well as default risk.
| Author | : Thorsten Hens |
| Publisher | : |
| Total Pages | : 17 |
| Release | : 2004 |
| Genre | : |
| ISBN | : |
Download On Uniqueness of Equilibria in the CAPM. Book in PDF, ePub and Kindle
In the standard CAPM with a riskless asset we give a sufficient condition for uniqueness. This condition is a joint restriction on the agents' endowments and their preferences which is compatible with non-increasing absolute risk aversion and which is in particular satisfied with constant absolute risk aversion. Moreover in the CAPM without a riskless asset we give an example for multiple equilibria even though all agents have constant absolute risk aversion.
| Author | : Lars Tyge Nielsen |
| Publisher | : |
| Total Pages | : 31 |
| Release | : 1987 |
| Genre | : |
| ISBN | : |
Download Equilibrium in CAPM Without a Riskless Asset Book in PDF, ePub and Kindle
| Author | : Thorsten Hens |
| Publisher | : |
| Total Pages | : 17 |
| Release | : 2000 |
| Genre | : |
| ISBN | : |
Download On Uniqueness of Equilibria in the CAPM Book in PDF, ePub and Kindle
| Author | : Chenghu Ma |
| Publisher | : World Scientific |
| Total Pages | : 818 |
| Release | : 2011 |
| Genre | : Business & Economics |
| ISBN | : 184816632X |
Download Advanced Asset Pricing Theory Book in PDF, ePub and Kindle
This book provides a broad introduction to modern asset pricing theory. The theory is self-contained and unified in presentation. Both the no-arbitrage and the general equilibrium approaches of asset pricing theory are treated coherently within the general equilibrium framework. It fills a gap in the body of literature on asset pricing for being both advanced and comprehensive. The absence of arbitrage opportunities represents a necessary condition for equilibrium in the financial markets. However, the absence of arbitrage is not a sufficient condition for establishing equilibrium. These interrelationships are overlooked by the proponents of the no-arbitrage approach to asset pricing.This book also tackles recent advancement on inversion problems raised in asset pricing theory, which include the information role of financial options and the information content of term structure of interest rates and interest rates contingent claims.The inclusion of the proofs and derivations to enhance the transparency of the underlying arguments and conditions for the validity of the economic theory made it an ideal advanced textbook or reference book for graduate students specializing in financial economics and quantitative finance. The detailed explanations will capture the interest of the curious reader, and it is complete enough to provide the necessary background material needed to delve deeper into the subject and explore the research literature.Postgraduate students in economics with a good grasp of calculus, linear algebra, and probability and statistics will find themselves ready to tackle topics covered in this book. They will certainly benefit from the mathematical coverage in stochastic processes and stochastic differential equation with applications in finance. Postgraduate students in financial mathematics and financial engineering will also benefit, not only from the mathematical tools introduced in this book, but also from the economic ideas underpinning the economic modeling of financial markets.Both these groups of postgraduate students will learn the economic issues involved in financial modeling. The book can be used as an advanced text for Masters and PhD students in all subjects of financial economics, financial mathematics, mathematical finance, and financial engineering. It is also an ideal reference for practitioners and researchers in the subjects.
| Author | : Stephen F. LeRoy |
| Publisher | : Cambridge University Press |
| Total Pages | : 371 |
| Release | : 2014-08-11 |
| Genre | : Business & Economics |
| ISBN | : 131606087X |
Download Principles of Financial Economics Book in PDF, ePub and Kindle
This second edition provides a rigorous yet accessible graduate-level introduction to financial economics. Since students often find the link between financial economics and equilibrium theory hard to grasp, less attention is given to purely financial topics, such as valuation of derivatives, and more emphasis is placed on making the connection with equilibrium theory explicit and clear. This book also provides a detailed study of two-date models because almost all of the key ideas in financial economics can be developed in the two-date setting. Substantial discussions and examples are included to make the ideas readily understandable. Several chapters in this new edition have been reordered and revised to deal with portfolio restrictions sequentially and more clearly, and an extended discussion on portfolio choice and optimal allocation of risk is available. The most important additions are new chapters on infinite-time security markets, exploring, among other topics, the possibility of price bubbles.
| Author | : Haim Levy |
| Publisher | : Cambridge University Press |
| Total Pages | : 457 |
| Release | : 2011-10-30 |
| Genre | : Business & Economics |
| ISBN | : 1139503022 |
Download The Capital Asset Pricing Model in the 21st Century Book in PDF, ePub and Kindle
The Capital Asset Pricing Model (CAPM) and the mean-variance (M-V) rule, which are based on classic expected utility theory, have been heavily criticized theoretically and empirically. The advent of behavioral economics, prospect theory and other psychology-minded approaches in finance challenges the rational investor model from which CAPM and M-V derive. Haim Levy argues that the tension between the classic financial models and behavioral economics approaches is more apparent than real. This book aims to relax the tension between the two paradigms. Specifically, Professor Levy shows that although behavioral economics contradicts aspects of expected utility theory, CAPM and M-V are intact in both expected utility theory and cumulative prospect theory frameworks. There is furthermore no evidence to reject CAPM empirically when ex-ante parameters are employed. Professionals may thus comfortably teach and use CAPM and behavioral economics or cumulative prospect theory as coexisting paradigms.
| Author | : Andrew Ang |
| Publisher | : Now Publishers Inc |
| Total Pages | : 99 |
| Release | : 2011 |
| Genre | : Business & Economics |
| ISBN | : 1601984685 |
Download The Efficient Market Theory and Evidence Book in PDF, ePub and Kindle
The Efficient Market Hypothesis (EMH) asserts that, at all times, the price of a security reflects all available information about its fundamental value. The implication of the EMH for investors is that, to the extent that speculative trading is costly, speculation must be a loser's game. Hence, under the EMH, a passive strategy is bound eventually to beat a strategy that uses active management, where active management is characterized as trading that seeks to exploit mispriced assets relative to a risk-adjusted benchmark. The EMH has been refined over the past several decades to reflect the realism of the marketplace, including costly information, transactions costs, financing, agency costs, and other real-world frictions. The most recent expressions of the EMH thus allow a role for arbitrageurs in the market who may profit from their comparative advantages. These advantages may include specialized knowledge, lower trading costs, low management fees or agency costs, and a financing structure that allows the arbitrageur to undertake trades with long verification periods. The actions of these arbitrageurs cause liquid securities markets to be generally fairly efficient with respect to information, despite some notable anomalies.
| Author | : John Y. Campbell |
| Publisher | : OUP Oxford |
| Total Pages | : 272 |
| Release | : 2002-01-03 |
| Genre | : Business & Economics |
| ISBN | : 019160691X |
Download Strategic Asset Allocation Book in PDF, ePub and Kindle
Academic finance has had a remarkable impact on many financial services. Yet long-term investors have received curiously little guidance from academic financial economists. Mean-variance analysis, developed almost fifty years ago, has provided a basic paradigm for portfolio choice. This approach usefully emphasizes the ability of diversification to reduce risk, but it ignores several critically important factors. Most notably, the analysis is static; it assumes that investors care only about risks to wealth one period ahead. However, many investors—-both individuals and institutions such as charitable foundations or universities—-seek to finance a stream of consumption over a long lifetime. In addition, mean-variance analysis treats financial wealth in isolation from income. Long-term investors typically receive a stream of income and use it, along with financial wealth, to support their consumption. At the theoretical level, it is well understood that the solution to a long-term portfolio choice problem can be very different from the solution to a short-term problem. Long-term investors care about intertemporal shocks to investment opportunities and labor income as well as shocks to wealth itself, and they may use financial assets to hedge their intertemporal risks. This should be important in practice because there is a great deal of empirical evidence that investment opportunities—-both interest rates and risk premia on bonds and stocks—-vary through time. Yet this insight has had little influence on investment practice because it is hard to solve for optimal portfolios in intertemporal models. This book seeks to develop the intertemporal approach into an empirical paradigm that can compete with the standard mean-variance analysis. The book shows that long-term inflation-indexed bonds are the riskless asset for long-term investors, it explains the conditions under which stocks are safer assets for long-term than for short-term investors, and it shows how labor income influences portfolio choice. These results shed new light on the rules of thumb used by financial planners. The book explains recent advances in both analytical and numerical methods, and shows how they can be used to understand the portfolio choice problems of long-term investors.
