3 IZA Discussion Papers
IZA Discussion Paper No. 3258
published in revised form in: Journal of Regional Science, 2011, 51 (2), 292-298
IZA Discussion Paper No. 2256
published in revised form as 'A synthesis of footloose-entrepreneur new economic geography models: when is agglomeration smooth and easily reversible?' in: Journal of Economic Geography, 2008, 8 (1), 39-54