TY - GEN TI - Welfare policy in the presence of unionised labour and internationally mobile firms AF - FU Discussion Paper Series (Economics) no. 2009/14, August UR - http://edocs.fu-berlin.de/docs/receive/FUDOCS_document_000000004029;jsessionid=42A02D421E0DBF9E86C24971F9233612 PY - 2009-11-01 AU - Rocha-Akis, Silvia AU - Schöb, Ronnie ER -