What is the modern argument for preferential tax treatment of capital gains? Arguments against it seem compelling to me: 1. The American dream is achievement through hard work. But taxation of capital gains privileges ownership over labor. That's just un-American. 2. This preferential taxation creates an anti-productive industry dedicated to re-casting ordinary income as capital gains, leading to misallocation of res…
https://en.wikipedia.org/wiki/Optimal_capital_income_taxatio... is a good place to start. Right up top is a nice summary: "Starting from the conceptualization of capital income as future consumption, the taxation of capital income corresponds to a differentiated consumption tax on present and future consumption. Consequently, a capital income tax results in the distortion of individuals' saving and consumption behavi…
And yes, of course taxing capital is distorionary; but so is taxing labor, and exponentially so when capital income may be substituted for labor.