Notes, Comments and Preliminary results Mar 21 2011 Gueorgui I. Kolev   The "spurious regression problem" in the classical regression model framework   Abstract  Contact Information  Citation  Full Text  -  Note   Oct 14 2008 Gueorgui I. Kolev   Forecasting aggregate stock returns using the number of initial public offerings as a predictor   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result