An absolute must-read, from Leiserson, McGrew, and Kopparam. It is excellent. I would note that it does not get much into the political economy of wealth taxes—that one goal of them is to persuade the wealthy to distribute their wealth, and thus reduce the amount of control over society that they exercise:

Greg Leiserson, Will McGrew, and Raksha Kopparam: Net Worth Taxes: What They Are and How They Work: "New from @equitablegrowth: “Notably, a business does not pay tax on its assets. Instead, shareholders pay tax on the value of the business.... The revenue potential of a net worth tax in the United States is large, even if applied only to the very wealthiest families. The wealthiest 1 percent of families holds $33 trillion in wealth, and the wealthiest 5 percent holds $57 trillion. The burden of a net worth tax would be highly progressive. The wealthiest 1 percent of families holds about 40 percent of all wealth.... Taxes on wealth—including property taxes, net worth taxes, estate taxes, and capital gains taxes, among others—are ubiquitous in the developed countries that make up the... OECD.... Assets have value because of the income (implicit or explicit) they are expected to generate. As such, taxing wealth through a net worth tax and taxing income from wealth through a tax on investment income can achieve similar ends...