Minimum wages, wage dispersion and financial constraints in firms / Hamzeh Arabzadeh (RWTH Aachen University), Almut Balleer (RWTH Aachen University, Institute for International Economic Studies Sweden and CEPR), Britta Gehrke (Freie University Berlin, IZA and Institute for Employment Research (IAB)), Ahmet Ali Taskin (Institute for Employment Research (IAB)) ; IZA Institute of Labor Economics