Earlier quoted context omitted.
Gains are frequently not realizable as a matter of law and/or contract, for good reason. Additionally, there are many assets with notional value conditional on not liquidating them, which makes them de facto not realizable. And of course, the majority of assets have no liquidity, so realizability is a practical fiction. The unrealized values are a fiction. There is significant value in treating values as unknowable w…
> The unrealized values are a fiction. Then instead of taxing the gains, you'd accept the government nationalizing the assets by eminent domain and paying fair compensation that was significantly less than the "fictional" unrealized value? Or if someone unlawfully deprived you of the asset, you'd accept as restitution or seek as civil damages for the loss something significantly less than the "fictional" value? Or, w…
It’s much easier to do because there is no disputing the assessment since the person implicitly agrees to the valuation. And it allows people to forgo realizing any benefit from the unrealized value at all to avoid taxation.
Say take x% of the top of the money lent to someone who uses their unrealized gain to secure a loan. Make the money paid count against any tax they owe if they sell the asset later.