This note demonstrates that in applied regression analysis, the variance of a coefficient of interest may decrease from the inclusion of a control variable, contrasting with Clarke’s assertion (2005, 2009) that the variance can only increase or stay the same. Practitioners may thus be well...

In this reply, I salute the correction, replication, and extensions carried out by David Findlay and John Santos (2012) based on my jointly authored paper Hewitt, Muñoz, Oliver, and Regoli (2005). I expound briefly on why, even though we and they have found no statistically significant...

This is a supplement to “Race, Ethnicity, and Baseball Card Prices: A Replication, Correction, and Extension of Hewitt, Muñoz, Oliver, and Regoli” in which we investigate the effects of career performance, card quality and availability, and player race and ethnicity on baseball card prices....

Using a sample of all-time great baseball players, we investigate the effects of career performance, card quality and availability, and player race and ethnicity on baseball card prices. We estimate various specifications of the card price equations used by Hewitt, Muñoz, Oliver, and Regoli...

In this paper we develop a testing and modelling procedure for describing the long-term volatility movements over very long return series. For the purpose, we assume that volatility is multiplicatively decomposed into a conditional and an unconditional component as in Amado and Teräsvirta...

In this paper we develop a testing and modelling procedure for describing the long-term volatility movements over very long return series. For the purpose, we assume that volatility is multiplicatively decomposed into a conditional and an unconditional component as in Amado and Teräsvirta...

This note demonstrates that in applied regression analysis, the variance of a coefficient of interest may decrease from the inclusion of a control variable, contrasting with Clarke's assertion (2005, 2009) that the variance can only increase or stay the same. Practitioners may thus be well...