Der Betafaktor oder -koeffizient wird in Regressionsmodellen der statistisch-ökonometrischen Theorie üblicherweise als konstant und zeitunabhängig angenommen. Bei Anwendungen ist diese Stabilität häufig jedoch nicht gegeben. Das vorliegende Arbeitspapier stellt am Beispiel des Capital Asset...

Register data are known for their large sample size and good data quality. The measurement accuracy of variables highly depends on their high importance for administrative processes. The education variable in the IAB employment sub-sample is an example for information that is gathered without a...

Register data are known for their large sample size and good data quality. The measurement accuracy of variables highly depends on their high importance for administrative processes. The education variable in the IAB employment sub-sample is an example for information that is gathered without a...

I document that the return expectations of Wall Street analysts are contrarian and countercyclical, contrasting with existing evidence that return expectations among Main Street investors (CFOs, retail investors) appear exclusively extrapolative and positively correlated. I demonstrate that an...