While aggregate earnings should affect aggregate stock returns, standard portfolio theory predicts that the cross-sectional dispersion in firm-level earnings would not affect aggregate stock returns. Nonetheless, this paper demonstrates a surprisingly robust relation between cross-sectional...

This paper studies the effects of capacity utilization on accounting profit margins and stock returns. Since accounting profit margins represent the average profit per unit and not the economists' concept of unit contribution margin, the marginal/variable profit per unit, a firm with idle...

This paper re-examines the evidence on how the listing of options impacts on underlying stock’s volatility by taking into consideration the possible presence of a learning effect, along with the impact of the very endogenous nature of the options listing decision itself. Our analyses are...

Esse artigo avalia a viabilidade econômica da terminação de bovinos em confinamento para o ano de 2008. Dezessete cenários são simulados considerando-se diferentes ganhos de peso vivo diário para 220 animais, machos castrados, ½ Zebu  ½ Holandês, com peso inicial médio de 354 kg,...