I analyze the perfect risk-sharing condition in the time-frequency domain using wavelets. Some countries engage more in risk-sharing at specific frequencies while others at all frequencies, but only for a short period of time. Increasing degree of risk-sharing over time is visible only for the UK and the US and only at low frequencies. (C) 2012 Elsevier B.V. All rights reserved.
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Virginia Polytech Inst & State Univ, RB Pamplin Coll Business, Blacksburg, VA 24061 USAVirginia Polytech Inst & State Univ, RB Pamplin Coll Business, Blacksburg, VA 24061 USA
Kim, Byung Cho
Chen, Pei-yu
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Temple Univ, Fox Sch Business, Philadelphia, PA 19122 USAVirginia Polytech Inst & State Univ, RB Pamplin Coll Business, Blacksburg, VA 24061 USA
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Univ Washington, Pharmaceut Outcomes Res & Policy Program, 1959 NE Pacific St,Box 357630, Seattle, WA 98195 USAUniv Washington, Pharmaceut Outcomes Res & Policy Program, 1959 NE Pacific St,Box 357630, Seattle, WA 98195 USA
Carlson, Josh J.
Chen, Shuxian
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Univ Washington, Pharmaceut Outcomes Res & Policy Program, 1959 NE Pacific St,Box 357630, Seattle, WA 98195 USAUniv Washington, Pharmaceut Outcomes Res & Policy Program, 1959 NE Pacific St,Box 357630, Seattle, WA 98195 USA
Chen, Shuxian
Garrison, Louis P., Jr.
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Univ Washington, Pharmaceut Outcomes Res & Policy Program, 1959 NE Pacific St,Box 357630, Seattle, WA 98195 USAUniv Washington, Pharmaceut Outcomes Res & Policy Program, 1959 NE Pacific St,Box 357630, Seattle, WA 98195 USA