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This paper identifies the risk and risk-adjusted return determinants of US insurers. We find that the significant firm …-specific determinants for risk and risk-adjusted return vary slightly for the risk proxy and risk-adjusted return proxy used, and the types … to both total risk and systematic risk; in addition, size is positively related to systematic risk. Profitability and …
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We theoretically and empirically study large-scale portfolio allocation problems when transaction costs are taken into account in the optimization problem. We show that transaction costs act on the one hand as a turnover penalization and on the other hand as a regularization, which shrinks the...
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