Studies have found a few exceptions: changes to estate, inheritance and gift taxes have a small effect on the number of tax returns filed in that state, although some of that decline may be due to households filing from a state where they have a second home. A study of New Jersey’s half-millionaire’s tax suggested that households with incomes over $500,000 were no more likely to leave New Jersey after the higher rate was adopted. The only groups with an identifiable response were rich households with heads age 65 and older and ‘super-rich’ households (in the top percent), who.
