4 IZA Discussion Papers
IZA Discussion Paper No. 9338
published in: European Journal of Health Economics, 2018, 19 (1), 103-121.
IZA Discussion Paper No. 8754
IZA Discussion Paper No. 5041
published as 'Improving Environmental Performance: A Challenge for Romania' in: Environmental and Resource Economics, 2014, 57 (3), 431-452
IZA Discussion Paper No. 3787