Tests of International CAPM with Time-varying Covariances

Tests of International CAPM with Time-varying Covariances
Author: Charles Engel
Publisher:
Total Pages: 43
Release: 1987
Genre: Capital assets pricing model
ISBN:

We perform maximum likelihood estimation of a model of international asset pricing based on CAPM. We test the restrictions imposed by CAPM against a more general asset pricing model. The "betas" in our CAPM vary over time from two sources -- the supplies of the assets (government obligations of France, Germany, Italy, Japan, the U.K. and the U.S.) change over time, and so do the conditional covariances of returns on these assets. We let the covariances change over time as a function of macroeconomic data. We also estimate the model when the covariances follow a multivariate ARCH process. When the covariance of forecast errors are time-varying, we can identify a modified CAFM model with measurement error -- which we also estimate. We find that the model in which the CAPM restrictions are imposed (which involve cross-equation constraints between coefficients and the variances of the residuals) perform much better when variances are not constant over time. Nonetheless, the CAPM model is rejected in favor of the less restricted model of asset pricing

Tests of international CAPM with time-varying covariances

Tests of international CAPM with time-varying covariances
Author: Charles Engel
Publisher:
Total Pages:
Release: 1987
Genre: Capital assets pricing model
ISBN:

We perform maximum likelihood estimation of a model of international asset pricing based on CAPM. We test the restrictions imposed by CAPM against a more general asset pricing model. The "betas" in our CAPM vary over time from two sources -- the supplies of the assets (government obligations of France, Germany, Italy, Japan, the U.K. and the U.S.) change over time, and so do the conditional covariances of returns on these assets. We let the covariances change over time as a function of macroeconomic data. We also estimate the model when the covariances follow a multivariate ARCH process. When the covariance of forecast errors are time-varying, we can identify a modified CAFM model with measurement error -- which we also estimate. We find that the model in which the CAPM restrictions are imposed (which involve cross-equation constraints between coefficients and the variances of the residuals) perform much better when variances are not constant over time. Nonetheless, the CAPM model is rejected in favor of the less restricted model of asset pricing.

Tests of International CAPM with Time-Varying Covariances

Tests of International CAPM with Time-Varying Covariances
Author: Charles M. Engel
Publisher:
Total Pages: 55
Release: 2008
Genre:
ISBN:

We perform maximum likelihood estimation of a model of international asset pricing based on CAPM. We test the restrictions imposed by CAPM against a more general asset pricing model. The quot;betasquot; in our CAPM vary over time from two sources -- the supplies of the assets (government obligations of France, Germany, Italy, Japan, the U.K. and the U.S.) change over time, and so do the conditional covariances of returns on these assets. We let the covariances change over time as a function of macroeconomic data. We also estimate the model when the covariances follow a multivariate ARCH process. When the covariance of forecast errors are time-varying, we can identify a modified CAFM model with measurement error -- which we also estimate. We find that the model in which the CAPM restrictions are imposed (which involve cross-equation constraints between coefficients and the variances of the residuals) perform much better when variances are not constant over time. Nonetheless, the CAPM model is rejected in favor of the less restricted model of asset pricing.

International CAPM

International CAPM
Author: Stephen H. Thomas
Publisher:
Total Pages: 68
Release: 1989
Genre: Capital assets pricing model
ISBN:

Tests of CAPM on an International Portfolio of Bonds and Stocks

Tests of CAPM on an International Portfolio of Bonds and Stocks
Author: Charles Engel
Publisher:
Total Pages: 52
Release: 1993
Genre: Bonds
ISBN:

This paper estimates and tests an international version of the Capital Asset Pricing Model. Investors from the U.S., Germany and Japan choose a portfolio that includes bonds and equities from each of these countries to maximize a function of the mean and variance of returns. Investors in each country evaluate returns in terms of their home currency. The CAPM does have some power in explaining ex ante returns. It predicts fairly large risk premia on the equities, but small ones on bonds. The model is rejected, however, when tested against a more general alternative that allows for more investor heterogeneity than the CAPM.

The Internationalization of Equity Markets

The Internationalization of Equity Markets
Author: Jeffrey A. Frankel
Publisher: University of Chicago Press
Total Pages: 428
Release: 2008-04-15
Genre: Business & Economics
ISBN: 0226260216

This timely volume addresses three important recent trends in the internationalization of United States equity markets: extensive market integration through foreign investment and links among stock prices around the world; increasing securitization as countries such as Japan come to rely more than ever before on markets in equities and bonds at the expense of banks; and the opening of national financial systems of newly industrializing countries to international financial flows and institutions, as governments remove capital controls and other barriers. Eight essays examine such issues as the current extent of international market integration, gains to U.S. investors through international diversification, home-country bias in investing, the role of time and location around the world in stock trading, and the behavior of country funds. Other, long-standing questions about equity markets are also addressed, including market efficiency and the accuracy of models of expected returns, with a particular focus on variances, covariances, and the price of risk according to the Capital Asset Pricing Model.