IZA Publications
IZA Discussion Paper No. 1616
published in: Health Economics, 2006, 15 (9), 1011-1020
IZA Discussion Paper No. 1346
published in: CESifo Economic Studies, 2006, 52 (4), 666-690
IZA Discussion Paper No. 1316
published in: CESifo Economic Studies, 2006, 52 (4), 666-690
IZA Discussion Paper No. 1281
revised version published in: Health Economics, 2005, 14 (10), 999-1018
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