After all, most Americans who own a home already pay a tax on the value of their home: the real estate tax they pay to their municipal government. But this tax is regressive. Suppose you own a house worth $300,000 and pay 1 percent property tax ($3,000). Then you will effectively pay 10 percent of your net wealth if you have a mortgage of $270,000 (since your net wealth is then $30,000) but 0.1 percent of your net wealth if you have financial assets of $2.7 million and no mortgage (since your net wealth is then $3 million).
