This paper examines two potential explanations of the January effect in the Swedish stock market for the period from January 1919 to December 1994; The tax-loss selling hypothesis and the omitted risk factor hypothesis. We document significantly higher returns in both January and July over the...

The average firm going public or issuing new equity has underperformed the market in the long run. Endogeneity of the number of new issues has been proposed as a potential explanation of this long-run underperformance. Under pseudo market timing of new issues, ex post measures of average...