The main regression specification of CG involves regressing firm investment rates on market Q, fundamental Q, cash flows, a bubble indicator and an interaction term between bubble and market Q. If you...

Extracted text: The main regression specification of CG involves regressing firm investment rates on market Q, fundamental Q, cash flows, a bubble indicator and an interaction term between bubble and market Q. If you want to see the impact of bubbles on firm investment rates, you will examine significance of Select one: O a. coefficient of the Bubble indicator only O b. sum of the coefficients of market Q and the interaction term. O c. coefficient of the interaction term only O d. sum of the coefficients of Bubble indicator and the interaction term.