Showing 1 - 8 of 8
Mutual fund managers can outperform the market by picking stocks or timing the market successfully. Previous work has … picking skills and little evidence of timing skills among successful managers. This paper estimates skill separately in booms … and recessions and finds that the extent to which managers focus on stock picking or market timing fluctuates with the …
Persistent link: https://www.econbiz.de/10013118131
We evaluate the performance of different models for the covariance structure of stock returns, focusing on their use for optimal portfolio selection. Comparisons are based on forecasts of future covariances as well as the out-of-sample volatility of optimized portfolios from each model. A few...
Persistent link: https://www.econbiz.de/10012763801
In a model with heterogeneous-risk-aversion agents facing margin constraints, we show how securities' required returns are characterized both by their betas and their margin requirements. Negative shocks to fundamentals make margin constraints bind, lowering risk-free rates and raising Sharpe...
Persistent link: https://www.econbiz.de/10013130262
We derive a closed-form optimal dynamic portfolio policy when trading is costly and security returns are predictable by signals with different mean-reversion speeds. The optimal strategy is characterized by two principles: 1) aim in front of the target and 2) trade partially towards the current...
Persistent link: https://www.econbiz.de/10013151649
We study asset-pricing implications of innovation in a general-equilibrium overlapping-generations economy. Innovation increases the competitive pressure on existing firms and workers, reducing the profits of existing firms and eroding the human capital of older workers. Due to the lack of...
Persistent link: https://www.econbiz.de/10013150434
The question of whether and how mutual fund managers provide valuable services for their clients motivates one of the … evidence that some investment managers have skill and that attention is allocated rationally …
Persistent link: https://www.econbiz.de/10013150438
What contributes to the growing income inequality across U.S. households? We develop an information- based general equilibrium model that links capital income derived from financial assets to a level of investor sophistication. Our model implies income inequality between sophisticated and...
Persistent link: https://www.econbiz.de/10013052134
We examine whether stock prices fully reflect the value of firms' intangible assets, focusing on research and development (R&D). Since intangible assets are not reported on financial statements under current U.S. accounting standards and R&D spending is expensed, the valuation problem may be...
Persistent link: https://www.econbiz.de/10013211643