Firm-level geoeconomic risk can affect even broadly diversified mutual fund portfolios. We study U.S. export controls that restrict sales of cutting-edge technology to selected Chinese firms for national security reasons. The stock prices of affected domestic suppliers drop immediately after the...

Deriving an optimal asset allocation hinges crucially on the quality of inputs used in the optimization. If the vector of expected returns and the covariance matrix are known with certainty, mean-variance optimization produces optimal portfolios. If, however, these parameters are estimated with...

This study examines the effect of the investment portfolio structure on insurers' solvency, as measured by the Solvency Capital Requirement ratio. An empirical sample of 88 EU-based insurance groups was analyzed to provide robust evidence of the portfolio's impact on the Solvency Capital...