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Correlation Risk And International Portfolio Choice
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Book Synopsis Correlation Risk and International Portfolio Choice by : Nicole Branger
Download or read book Correlation Risk and International Portfolio Choice written by Nicole Branger and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We study the optimal portfolio choice of international investors when variances and correlations are stochastic. We assume that the returns from the perspective of the domestic investor are driven by a Wishart Affine Stochastic Correlation (WASC) model. We show that this also holds from the perspective of the foreign investor and give the relations between the variance-covariance matrices and the parameters of its dynamics in both currencies. Stochastic second moments have an impact on risk and returns that characterize the domestic and the foreign investment opportunity sets. Optimal portfolios and hedging demands of international investors differ due to their dependence on exchange rate variances and correlations. The benefits from investing can be different for domestic and foreign investors, and can also react differently to changes in second moments. These findings hold both in complete and incomplete markets.
Book Synopsis Essays on Portfolio Choice and Risk Management by : Yi-Chin Hsin
Download or read book Essays on Portfolio Choice and Risk Management written by Yi-Chin Hsin and published by . This book was released on 2016 with total page 87 pages. Available in PDF, EPUB and Kindle. Book excerpt: Globalization increases the access to financial markets and provides expanding opportunities for investors to diversify internationally. As suggested by the Modern Portfolio Theory (Markowiz, 1952), rational investors should use one of the following two strategies to achieve portfolio diversification: (1) Investing in asset classes thought to have low correlations or (2) increasing the sizes of their portfolios in multiple markets. In the early 1970s, diversification was referred to as the “free lunch” in investment. However, French and Poterba (1991) show that investors still tend to hold a disproportionate part of domestic equities in their portfolios. This phenomenon is called “the equity home bias,” which is still puzzling in the international finance literature. These essays investigate what drives individuals to hold inefficient portfolios and forgo the benefits of international diversification. The first chapter of this study explains the equity home bias among international portfolios by analyzing the relationship between the sizes of portfolio required and the investor’s perception about risk. A flexible three-parameter distribution developed by Hueng and Yau (2006) to model the measures of risk for stock returns is extended here. Conclusions reveal that there is a trade-off between the desirable reduction of variance and the undesirable increase of negative skewness of diversifying international portfolios. This trade-off relationship may give an explanation to the equity home bias phenomenon in reality. The second chapter further examines the same question from the correlation perspective. Through numerical analysis, this chapter presents the evolution of U.S. equity home bias in the context of dynamic correlations between developed and emerging markets. The results imply that the persistent high correlations between the developed European and North American markets induced a high U.S. home bias; while on the other hand, the developed Pacific Asian and emerging markets have been relatively less correlated with that of the North American market and has led to a lower U.S. home bias. As future correlations are steadily increasing, investors may seek newly open markets for diversification benefits in the present. Yet over the long run, the benefits of international diversification can be very few. The home bias in the future will be rationalized by the equilibrium correlations between international markets. The third chapter uses micro data to analyze the portfolio choices in risky assets over the working-age of the single individual and the retired segments that are exposed to health and medical expense risk. Single retirees respond to changes in medical expenses by altering their portfolio toward risky assets, while no evidence is found in the changes of single working people’s portfolios. This result is in contrast to theoretical prediction, which assumes that the elders tend to hold riskless assets.
Book Synopsis Systemic Risk and International Portfolio Choice by : Sanjiv Ranjan Das
Download or read book Systemic Risk and International Portfolio Choice written by Sanjiv Ranjan Das and published by . This book was released on 2002 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Correlation Risk and Optimal Portfolio Choice by : Andrea Buraschi
Download or read book Correlation Risk and Optimal Portfolio Choice written by Andrea Buraschi and published by . This book was released on 2009 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt: We develop a new framework for intertemporal portfolio choice when the covariance matrix of returns is stochastic. An important contribution of this framework is that it allows to derive optimal portfolio implications for economies in which the degree of correlation across different industries, countries, and asset classes is time-varying and stochastic. In this setting, markets are incomplete and optimal portfolios include distinct hedging components against both stochastic volatility and correlation risk. The model gives rise to simple optimal portfolio solutions that are available in closed-form. We use these solutions to investigate, in several concrete applications, the properties of the optimal portfolios. We find that the hedging demand is typically four to five times larger than in univariate models and it includes an economically significant correlation hedging component, which tends to increase with the persistence of variance covariance shocks, the strength of leverage effects and the dimension of the investment opportunity set. These findings persist also in the discrete-time portfolio problem with short-selling or VaR constraints.
Book Synopsis Strategic Asset Allocation by : John Y. Campbell
Download or read book Strategic Asset Allocation written by John Y. Campbell and published by OUP Oxford. This book was released on 2002-01-03 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Correlation Risk and Optimal Portfolio Choice by :
Download or read book Correlation Risk and Optimal Portfolio Choice written by and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We develop a new framework for multivariate intertemporal portfolio choice that allows us to derive optimal portfolio implications for economies in which the degree of correlation across industries, countries, or asset classes is stochastic. Optimal portfolios include distinct hedging components against both stochastic volatility and correlation risk. We find that the hedging demand is typically larger than in univariate models, and it includes an economically significant covariance hedging component, which tends to increase with the persistence of variance-covariance shocks, the strength of leverage effects, the dimension of the investment opportunity set, and the presence of portfolio constraints.
Book Synopsis Systemic Risk and International Portfolio Choice by : Sanjiv Ranjan Das
Download or read book Systemic Risk and International Portfolio Choice written by Sanjiv Ranjan Das and published by . This book was released on 2009 with total page 55 pages. Available in PDF, EPUB and Kindle. Book excerpt: Returns on international equities are characterized by jumps; moreover, these jumps tend to occur at the same time across countries leading to systemic risk. In this paper, we evaluate whether systemic risk reduces substantially the gains from international diversification. First, in order to capture these stylized facts, we develop a model of international equity returns using a multivariate system of jump-diffusion processes where the arrival of jumps is simultaneous across assets. Second, we determine an investor's optimal portfolio for this model of returns. Third, we show how one can estimate the model using the method of moments. Finally, we illustrate our portfolio optimization and estimation procedure by analyzing portfolio choice across a riskless asset, the US equity index, and five international indexes. Our main finding is that, while systemic risk affects the allocation of wealth between the riskless and risky assets, it has a small effect on the composition of the portfolio of only-risky assets, and reduces marginally the gains to a US investor from international diversification: For an investor with a relative risk aversion of 3 and a horizon of one year, the certainty-equivalent cost of ignoring systemic risk is of the order $1 for every $1000 of initial investment. These results are robust to whether the international indexes are for developed or emerging countries, to constraints on borrowing and shortselling, and to reasonable deviations in the value of the parameters around their point estimates; the cost increases with the investment horizon and decreases with risk aversion.
Book Synopsis International Portfolio Choice, Liquidity Constraints and the Home Equity Bias Puzzle by : Alexander George Michaelides
Download or read book International Portfolio Choice, Liquidity Constraints and the Home Equity Bias Puzzle written by Alexander George Michaelides and published by . This book was released on 2001 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis International Portfolio Diversification and Multilateral Effects of Correlations by : Paul R. Bergin
Download or read book International Portfolio Diversification and Multilateral Effects of Correlations written by Paul R. Bergin and published by . This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Not only are investors biased toward home assets, but when they do invest abroad, they appear to favor countries with returns more correlated with home assets. Often attributed to a preference for familiarity, this 'correlation puzzle' further reduces effective diversification. However, a multi-country DSGE model of portfolio choice makes clear that the effects of a bilateral stock return correlation must be studied in the context of the full covariance structure. For example, the attractiveness of a foreign country as a hedge depends upon its hedging potential relative to other potential destination countries. This paper develops a new empirical approach based upon a multi-country theoretical model that controls for the full covariance structure in a theoretically rigorous yet tractable manner. Estimation under this approach overturns the correlation puzzle, and finds that international investors do seek the diversification benefits of low cross-country correlations as theory would predict. Since covariances are central to modern theories of portfolio choice, this empirical methodology should be useful also for other applications.
Book Synopsis International Portfolio Choice, Liquidity Constraints and the Home Equity Bias Puzzle by : Alexander Michaelides
Download or read book International Portfolio Choice, Liquidity Constraints and the Home Equity Bias Puzzle written by Alexander Michaelides and published by . This book was released on 2008 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper solves for optimal international portfolio choice in the presence of liquidity constraints and undiversifiable labor income risk. Optimal portfolios are internationally diversified while positive correlation between domestic stock market returns and permanent labor income shocks can generate a complete portfolio specialization in foreign stocks. Nevertheless, either small costs associated with investing abroad or a slightly positive domestic to foreign equity premium differential are suffcient to either deter households from participating in a foreign market or generate a substantial bias for home equities. The benefits of international diversification are limited because consumption fluctuations can be smoothed with a small amount of buffer stock saving, while exchange rate risk makes foreign investments less appealing to risk averse investors.
Book Synopsis What Drives the Correlations Between Human and Financial Capital Returns? An International Portfolio Choice Approach by : Sara B. Holland
Download or read book What Drives the Correlations Between Human and Financial Capital Returns? An International Portfolio Choice Approach written by Sara B. Holland and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over a time of increased economic stability, human capital returns have become riskier. Income volatility is increasing, workers bear more risk in labor markets, and global trends in trade and investment expose human capital to risks from a more internationally integrated economy. But measuring the risk and returns of human capital presents distinct challenges. We estimate the correlation between returns to human capital and financial returns implied by observable international portfolio holdings, financial returns data, and a portfolio choice model. Implied correlations vary across countries and time, and are related to education, immigration, trade, and direct investment. Countrylevel characteristics associated with globally integrated labor markets drive the integration between human and financial capital. For example, the positive association of inward FDI with the correlation between home human capital and foreign financial returns suggests that when foreign firms generate wages, human capital returns are more highly correlated with foreign financial returns.
Book Synopsis Currency Risk and the Corporation by : Boris Antl
Download or read book Currency Risk and the Corporation written by Boris Antl and published by . This book was released on 1980 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Portfolio Choice with a Correlated Background Risk by : Luc Arrondel
Download or read book Portfolio Choice with a Correlated Background Risk written by Luc Arrondel and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Asymmetric Risk and International Portfolio Choice by : Susan Thorp
Download or read book Asymmetric Risk and International Portfolio Choice written by Susan Thorp and published by . This book was released on 2005 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis International Risk Sharing and Portfolio Choice with Non-separable Preferences by : Hande Küçük
Download or read book International Risk Sharing and Portfolio Choice with Non-separable Preferences written by Hande Küçük and published by . This book was released on 2015 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper aims to account for the Backus-Smith puzzle in a two-country DSGE model with endogenous portfolio choice in bonds and equities. Utility is non-separable across consumption and leisure and across time. This model is shown to imply almost zero correlation between relative consumption and the real exchange rate while generating portfolio positions that broadly match the data. Furthermore, the cross-country correlation of consumption is lower than the correlation of output, which has previously been a difficult fact to match. Non-separable preferences are found to be crucial to generating these results but financial market structure plays only a minor role.
Book Synopsis Better Safe than Sorry by : Joni Kokkonen
Download or read book Better Safe than Sorry written by Joni Kokkonen and published by . This book was released on 2011 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper examines optimal international portfolio choice when equity market linkages increase during periods of distress and investors are averse to disappointing outcomes. I propose a model that captures the joint effect of these two phenomena and show that it leads to a first-order effect on the optimal portfolios. Even during correlated downturns, international diversification is still highly valuable in utility terms. However, including return predictability significantly increases the attractiveness of US stocks and can create substantial home bias in more favorable states of the economy. Furthermore, the model can help rationalize the empirically documented use of ldquo;return chasingrdquo; strategies and creates significant intertemporal hedging demands even in the absence of return predictability. An expected utility model cannot replicate the results merely by increasing curvature because the effective degree of risk aversion is strongly regime dependent.
Book Synopsis Mean-Variance Analysis in Portfolio Choice and Capital Markets by : Harry M. Markowitz
Download or read book Mean-Variance Analysis in Portfolio Choice and Capital Markets written by Harry M. Markowitz and published by John Wiley & Sons. This book was released on 2000-02-15 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 1952, Harry Markowitz published "Portfolio Selection," a paper which revolutionized modern investment theory and practice. The paper proposed that, in selecting investments, the investor should consider both expected return and variability of return on the portfolio as a whole. Portfolios that minimized variance for a given expected return were demonstrated to be the most efficient. Markowitz formulated the full solution of the general mean-variance efficient set problem in 1956 and presented it in the appendix to his 1959 book, Portfolio Selection. Though certain special cases of the general model have become widely known, both in academia and among managers of large institutional portfolios, the characteristics of the general solution were not presented in finance books for students at any level. And although the results of the general solution are used in a few advanced portfolio optimization programs, the solution to the general problem should not be seen merely as a computing procedure. It is a body of propositions and formulas concerning the shapes and properties of mean-variance efficient sets with implications for financial theory and practice beyond those of widely known cases. The purpose of the present book, originally published in 1987, is to present a comprehensive and accessible account of the general mean-variance portfolio analysis, and to illustrate its usefulness in the practice of portfolio management and the theory of capital markets. The portfolio selection program in Part IV of the 1987 edition has been updated and contains exercises and solutions.
