3 IZA Discussion Papers
IZA Discussion Paper No. 9519
China: An International Journal (SSCI), 2016, 14(1): 151-170. Project MUSE, muse.jhu.edu/article/611560
IZA Discussion Paper No. 6925
published in: Economics Letters, 2013, 118 (1), 167-169
IZA Discussion Paper No. 5484
published in: Journal of Public Economic Theory, 2013, 15 (1), 77-93