This paper addresses the issue of how regulatory constraints affect firm's investment choices when the firm has an … option to delay investment. The RPI-x rule is compared to a profit sharing rule, which increases the x factor in case profits … go beyond a given level. It is shown that a pure price cap and profit sharing are identical in their impact on investment …

We analyze the impact of progressive taxation on irreversible investment under uncertainty. We show that if tax … exemption is lower than sunk cost, higher tax rate will decelerate optimal investment by increasing the optimal investment … investment threshold is a positive function of volatility, but independent of tax rate. For "medium" volatilities it is …