5 IZA Discussion Papers
IZA Discussion Paper No. 11407
IZA Discussion Paper No. 8079
published in: OPEC Energy Review, 2016, 40 (1), 36 - 49
IZA Discussion Paper No. 4438
published in: Economic Modelling, 2010, 2011, 28 (3), 1078 - 1089
IZA Discussion Paper No. 2049
published in: World Economy , 2012, 35 (2), 152-182.
IZA Discussion Paper No. 1469
published in: International Journal of Applied Econometrics and Quantitative Studies, 2005, 2(2), 5-20