27 IZA Discussion Papers
IZA Discussion Paper No. 1660
published in: Applied Economics, 2006, 38 (10), 1193-1206
IZA Discussion Paper No. 1457
published in: Review of Economics and Statistics, 2012, 94 (4), 981-999
IZA Discussion Paper No. 1332
published in: Journal of the European Economic Association, 2005, 3 (2-3), 291–302
IZA Discussion Paper No. 648
published in: Applied Economics Letters, 2004, 11 (3), 159–161
IZA Discussion Paper No. 552
substantially revised and rewritten version available as IZA DP No. 1660
IZA Discussion Paper No. 339
published as 'Aggregate Matching Efficiency: A Stochastic Production Frontier Approach, France 1990 - 1995' in: Empirica, 2004, 31 (1), 1-25
IZA Discussion Paper No. 23
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