In a production economy with trade in financial markets motivated by the desire to share labor-income risk and to speculate, we show that speculation increases volatility of asset returns and investment growth, increases the equity risk premium, and reduces welfare. Regulatory measures, such as...

In a production economy with trade in financial markets motivated by the desire to share labor-income risk and to speculate, we show that speculation increases volatility of asset returns and investment growth, increases the equity risk premium, and reduces welfare. Regulatory measures, such as...

Portfolios in idiosyncratic momentum are formed on past residuals of the Fama-French three factor model rather than past total returns. This study examines whether the idiosyncratic momentum strategy can sustain excess returns following the emergence of traded options. We compare idiosyncratic...