At the end of 1997, the foreign companies listed in the U.S. have a Tobin's q ratio that exceeds by 16.5% the q ratio of firms from the same country that are not listed in the U.S. The valuation difference is statistically significant and largest for exchange-listed firms, where it reaches 37%....

We document that there is a significant foreign influence on the risk premium of U.S. assets. Using a bivariate GARCH-in-mean process for conditional expected excess returns, we find that the conditional expected excess return on U.S. stocks is positively related to the conditional covariance of...