2 IZA Discussion Papers
IZA Discussion Paper No. 9373
published in: Journal of Economic Geography, 2017, 17 (5), 1111–1148,
IZA Discussion Paper No. 859
published in: European Economic Review, 2005, 49 (1), 75-98 and in: D. Hamermesh and G. Pfann (eds.). The Economics of Time Use, Elsevier, 2005