Discovering the link between uncertainty and investment microeconometric evidence from Germany ; paper presented at the HWWWA Workshop, August 26-27, 1999 on "Uncertainty and Factor Demands" - Böhm, Hjalmar; Funke, Michael; Siegfried, Nikolaus A. (HWWA-Institut für Wirtschaftsforschung <Hamburg>: HWWA-Diskussionspapier, 1999)