Wagner, Gert G.; Schupp, Jürgen - 2002
The availability of panel data on the basis of micro data has become an indispensable component of the infrastructure … of empirically oriented social scientists and economists. This is also a consequence of the fact that, for a panel survey …, occupational careers, family events and even death). In the USA, the "Panel Study of Income Dynamics (PSID)" has been running since …