Detlefsen, Kai; Härdle, Wolfgang - Sonderforschungsbereich 649: Ökonomisches Risiko, … - 2006
,
Humboldt-Universität zu Berlin, Germany
This research was supported by the Deutsche
Forschungsgemeinschaft through the SFB … Berlin, Germany; e-mail: detlefsen@wiwi.hu-berlin.de;
phone: +49(0)30 2093-5654
2Center for Applied Statistics and Economics …, Humboldt Universit¨at zu Berlin,
Spandauer Straße 1, 10178 Berlin, Germany; e-mail: haerdle@wiwi.hu-berlin.de;
phone: +49 …