It is well known that the implicit insurance provided by labor income taxes can reduce total saving. We show that this insurance can change the composition of saving as well because the reduction in labor-income risk may affect the amount of financial risk that an individual chooses to bear....

We investigate how personal income taxes affect the portfolio share of personal wealth that entrepreneurs invest in their own business. In a reformulation of the standard portfolio choice model that allows for underreporting of private business income to tax authorities, we show that a fall in...