6 IZA Discussion Papers
IZA Discussion Paper No. 4760
published in: Scottish Journal of Political Economy, 2011, 58 (4), 490-518
IZA Discussion Paper No. 4502
revised version published in: Scottish Journal of Political Economy, 2013, 60 (2), 182-209.
IZA Discussion Paper No. 3294
published in: Journal of Labor Market Research/Zeitschrift für ArbeitsmarktForschung, 2007, 40 (4), 361-381
IZA Discussion Paper No. 1498
published in: Oxford Bulletin of Economics and Statistics, 2010, 72 (3), 357-380
IZA Discussion Paper No. 1264
published as 'Unions, Training, and Firm Performance' in: Journal of Labor Market Research/Zeitschrift für ArbeitsmarktForschung, 2007, 40 (4), 361-381
IZA Discussion Paper No. 352
published in: Southern Economic Journal, 2003, 69 (4), 822-841