TY - RPRT A1 - Zweimüller, J. A1 - Winter-Ebmer, R. A1 - Lalive, R. A1 - Kuhn, A. A1 - Wuellrich, J. A1 - Ruf, O. A1 - Büchi, S. T1 - The Austrian Social Security Database (ASSD) Y1 - 2009 DO - 10.2139/ssrn.1399350 PB - The Austrian Center for Labor Economics and the Analysis of the Welfare State CY - Linz T3 - SSRN Working Paper 0901 ER -