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A plot of expected returns versus betas obeys virtually no relation to an inefficient index portfolio's mean-variance location. If the index portfolio is inefficient, then the coefficients and R- squared from an ordinary-least-squares regression of expected returns on betas can equal essentially...
Persistent link: https://www.econbiz.de/10012474226
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/10012463444
. The evidence is inconsistent with a risk-based explanation for the return differential …
Persistent link: https://www.econbiz.de/10012473559
for liquid assets by adding uninsured individual risk together with differential costs of trading securities. We then …
Persistent link: https://www.econbiz.de/10012475546
international context. We present a two-country macroeconomic model in which agents are risk averse, assets are imperfect …
Persistent link: https://www.econbiz.de/10012470242
Persistent link: https://www.econbiz.de/10012475716
We study the effect of trading costs on information aggregation and acquisition in financial markets. For a given precision of investors' private information, an irrelevance result emerges when investors are ex-ante identical: price informativeness is independent of the level of trading costs....
Persistent link: https://www.econbiz.de/10012479613
options in defined contribution retirement plans. We document large differences in realized TDF returns and risk profiles … reflects optimal risk-taking by fund families with low market share, especially those entering the market after 2006. Using … plan-level data, we find little evidence that 401(k) plan sponsors match the risk profile of the TDFs in their plans to the …
Persistent link: https://www.econbiz.de/10012460773
an additional hedging motif driven by the interaction between real exchange rate risk and ambiguity aversion. What … matters is the long-run as opposed to the short-run risk. Domestic equity is a good hedge with respect to long-run real … exchange rate risk even when bonds are traded. The higher is the degree of ambiguity aversion, the stronger is the home bias …
Persistent link: https://www.econbiz.de/10012463913
If an investor wants to form a portfolio of risky assets and can exert effort to collect information on the future value of these assets before he invests, which assets should he learn about? The best assets to acquire information about are ones the investor expects to hold. But the assets the...
Persistent link: https://www.econbiz.de/10012464743