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[9]
How does copayment for health care services affect demand, health and redistribution? A systematic review of the empirical evidence from 1990 to 2011[J] . Astrid Kiil,Kurt Houlberg.The European Journal of Health Economics . 2014 (8)
[10]
Linking Benefits to Investment Performance in US Public Pension Systems[J] . Robert Novy-Marx,Joshua D. Rauh.Journal of Public Economics . 2014