THE EFFECTS OF ALTERNATIVE INCOME TAX STRUCTURES ON RISK TAKING IN CAPITAL MARKETS

Abstract
This paper investigates the effects of proportional and progressive taxes on investor demand for capital assets. Investors who are otherwise indifferent to fair gambles are shown to require a risk premium to induce them to hold risky assets when returns are subject to progressive taxes. Risk-neutral investors would find it optimal to hold diversified portfolios, since this maximizes expected after-tax returns. When investors are risk-averse to begin with, the paper shows that for an important special case, the demand for risky assets decreases in the face of a progressive tax, whereas proportional taxes increase the desirability of holding risky investments.

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