25 IZA Policy Papers
IZA Policy Paper No. 65
published in: Intereconomics, 2013, 48 (4), 230-235 [Details & Download]
IZA Policy Paper No. 51
IZA Policy Paper No. 44
IZA Policy Paper No. 7
published in: International Economics and Economic Policy, 2010, 7, 83–127
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