A Capital Asset Pricing Model Capm With Trading Constraints And Price Bubbles

This paper derives an equilibrium capital asset pricing model (CAPM) in a market with trading constraints and asset price bubbles. The asset price processes are general semimartingales including Markov jump-diffusion processes as special cases, and the trading constraints considered include short sale restrictions, borrowing constraints, and margin requirements, among others. We derive a generalized intertertemporal CAPM and consumption CAPM for these markets. The implications for empirical testing are that additional systematic risk factors will exist in a market with trading constraints and price bubbles as contrasted with an otherwise equivalent unconstrained market with no price bubbles.

This paper derives an equilibrium asset pricing model with endogenous liquidity risk, trading constraints, and asset price bubbles. Liquidity risk is modeled as a stochastic quantity impact on the price from trading, where the size of the impact depends on trade size. Asset price bubbles are generated by the existence of trading constraints, e.g. short sale prohibitions and margin requirements. Under a strong set of assumptions, we prove a unique equilibrium price process exists for our economy. We characterize the market's state price density, which enables the derivation of the risk-return relation for the stock's expected return including both liquidity risk and asset price bubbles. This yields a generalized intertemporal and consumption CAPM for our economy. In contrast to the traditional models without liquidity risk or asset price bubbles, there are additional systematic liquidity risk and asset price bubble factors which are related to the stock return's covariation with liquidity risk and asset price bubbles.

This paper derives an equilibrium asset pricing model with endogenous liquidity risk, portfolio constraints, and asset price bubbles. Liquidity risk is modeled as a stochastic quantity impact on the price from trading, where the size of the impact depends on trade size. Asset price bubbles are generated by the existence of portfolio constraints, e.g. short sale prohibitions and margin requirements. Under a restrictive set of assumptions, we prove a unique equilibrium price process exists for our economy. We characterize the market's state price density, which enables the derivation of the risk-return relation for the stock's expected return including both liquidity risk and asset price bubbles. This yields a generalized intertemporal and consumption CAPM for our economy. In contrast to the traditional models without liquidity risk or asset price bubbles, there are additional systematic liquidity risk and asset price bubble factors which are related to the stock return's covariation with liquidity risk and asset price bubbles.

This book proposes a new capital asset pricing model dubbed the ZCAPM that outperforms other popular models in empirical tests using US stock returns. The ZCAPM is derived from Fischer Black’s well-known zero-beta CAPM, itself a more general form of the famous capital asset pricing model (CAPM) by 1990 Nobel Laureate William Sharpe and others. It is widely accepted that the CAPM has failed in its theoretical relation between market beta risk and average stock returns, as numerous studies have shown that it does not work in the real world with empirical stock return data. The upshot of the CAPM’s failure is that many new factors have been proposed by researchers. However, the number of factors proposed by authors has steadily increased into the hundreds over the past three decades. This new ZCAPM is a path-breaking asset pricing model that is shown to outperform popular models currently in practice in finance across different test assets and time periods. Since asset pricing is central to the field of finance, it can be broadly employed across many areas, including investment analysis, cost of equity analyses, valuation, corporate decision making, pension portfolio management, etc. The ZCAPM represents a revolution in finance that proves the CAPM as conceived by Sharpe and others is alive and well in a new form, and will certainly be of interest to academics, researchers, students, and professionals of finance, investing, and economics.

This paper derives an equilibrium capital asset pricing model (CAPM) in a market where asset prices can exhibit price jumps and price bubbles. We derive a generalized intertertemporal CAPM and consumption CAPM for these markets. The derived risk return relation differs from the classical results only in the characterization of the state price density, which depends on the existence of price bubbles, and in the number and quantity of systematic risk factors.

Seminar paper from the year 2015 in the subject Business economics - Investment and Finance, grade: 1,00, University of Innsbruck (Department of Banking and Finance), course: Proseminar: Financial Management, language: English, abstract: The purpose of this paper is to do empirical research on the capital asset pricing model. The bases of our research are the returns of three stocks, the S&P 500 index which represents the market and the LIBOR as a proxy for the risk-free interest rate. The three companies that were chosen in this paper were Kellogg Company, KB Financial Group Inc. and Kate Spade & Company and all of them in combination represent our fictive market.

Research Paper (undergraduate) from the year 2008 in the subject Business economics - Banking, Stock Exchanges, Insurance, Accounting, grade: 1,3, University of Cooperative Education, language: English, abstract: The objective of this paper is to give an overview of the most important movements of the complex area of asset pricing. This will be tried by logically structuring and building up the topic from its origins, the Capital Asset Pricing Model, and then over its main points of critique, in order to arrive at the different options developed by financial science that try to resolve those problematic aspects. Due to the complexity of this subject and the limited scope of this paper, obviously it will not be possible to discuss each model or movement in depth. Coherently, the aim is to point out the main thoughts of each aspect discussed. For further information, especially concerning the deeper mathematical backgrounds and derivations of the models, the author would like to refer the reader to the books mentioned in this paper. Many of those works, finance journal publications and the literature on asset pricing in general, set their focus on different parts of this paper, which again underlines the complexity in terms of scientific scope and intellectual and mathematical intricacy of this topic.

Research Paper (undergraduate) from the year 2008 in the subject Business economics - Banking, Stock Exchanges, Insurance, Accounting, grade: 1,3, University of Cooperative Education, 31 entries in the bibliography, language: English, abstract: The objective of this paper is to give an overview of the most important movements of the complex area of asset pricing. This will be tried by logically structuring and building up the topic from its origins, the Capital Asset Pricing Model, and then over its main points of critique, in order to arrive at the different options developed by financial science that try to resolve those problematic aspects. Due to the complexity of this subject and the limited scope of this paper, obviously it will not be possible to discuss each model or movement in depth. Coherently, the aim is to point out the main thoughts of each aspect discussed. For further information, especially concerning the deeper mathematical backgrounds and derivations of the models, the author would like to refer the reader to the books mentioned in this paper. Many of those works, finance journal publications and the literature on asset pricing in general, set their focus on different parts of this paper, which again underlines the complexity in terms of scientific scope and intellectual and mathematical intricacy of this topic.

This introduction to general equilibrium modelling takes an integrated approach to the analysis of macroeconomics and finance. It provides students, practitioners, and policymakers with an easily accessible set of tools that can be used to analyze a wide range of economic phenomena. Key features: • Provides a consistent framework for understanding dynamic economic models • Introduces key concepts in finance in a discrete time setting • Develops simple recursive approach for analyzing a variety of problems in a dynamic, stochastic environment • Sequentially builds up the analysis of consumption, production, and investment models to study their implications for allocations and asset prices • Reviews business cycle analysis and the business cycle implications of monetary and international models • Covers latest research on asset pricing in overlapping generations models and on models with borrowing constraints and transaction costs • Includes end-of-chapter exercises allowing readers to monitor their understanding of each topic Online resources are available at www.cambridge.org/altug_labadie