Testing AIDS Interventions: When Is the Price Too High?
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چکیده
منابع مشابه
When is the price of risk high ? ∗
We show that the price of risk and quantity of risk are negatively correlated in the time-series for benchmark factors in equities and currencies. Managed portfolios that increase factor exposures when volatility is low and decrease exposure when volatility is high thus produce positive alphas and increase factor Sharpe ratios. We also find volatility timing to be more beneficial to a mean vari...
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Monika Østensen, Department of Rheumatology, University Hospital of Berne, Switzerland. Please address correspondence to: Professor Monika Østensen MD, PhD, Department of Rheumatology and Clinical Immunology/Allergology, University Hospital, CH-3010 Bern, Switzerland. E-mail: [email protected] Received on November 18, 2008; accepted on November 26, 2008. © Copyright CLINICAL AND EXPERIM...
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ژورنال
عنوان ژورنال: Science
سال: 1995
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.269.5229.1334