In point of fact, mark to market taxation already does exist for various individuals and certainly for large numbers of businesses. Your long comment suggests that you don’t know what that is, and if you’re interested you could read up on it.
The short story is that depending on the situation, a person or a business might pay taxes each year on the value of their assets, assuming said assets had been purchased on January 1st and sold on December 31st, even though in reality nothing was bought or sold. This system is already in place in various ways. It exists. There’s no theoretical problem with expanding it.
In point of fact, mark to market taxation already does exist for various individuals and certainly for large numbers of businesses. Your long comment suggests that you don’t know what that is, and if you’re interested you could read up on it.
The short story is that depending on the situation, a person or a business might pay taxes each year on the value of their assets, assuming said assets had been purchased on January 1st and sold on December 31st, even though in reality nothing was bought or sold. This system is already in place in various ways. It exists. There’s no theoretical problem with expanding it.