4 IZA Discussion Papers
IZA Discussion Paper No. 17512
IZA Discussion Paper No. 12194
IZA Discussion Paper No. 7557
published as 'Defensive Investments and the Demand for Air Quality: Evidence from the NOx Budget Program' in: American Economic Review, 2017, 107 (10), 2958–2989)
IZA Discussion Paper No. 6688
published in: American Economic Review, 2013, 103(7), 3102-3114