The Complexities of Tax Incentives for Owner-Occupied Housing

The discussion surrounding tax incentives for owner-occupied housing is intricate and influenced by various factors. In a panel discussion at the Brookings Institute, expert analysts explored the nuances of the mortgage interest deduction, its effects on households, and potential policy changes to improve its fairness and effectiveness. Key statistics highlight the significant subsidies received by high-income individuals and the substantial windfall for certain states.

Key Takeaways:

The mortgage interest deduction is highly regressive, as its value increases with household income and housing expenditures.
The deduction does not discourage leverage, as it treats debt and equity investments equally, subsidizing large houses.
Low-income individuals and those with lower tax rates receive minimal benefits from the mortgage interest deduction, while high-income households and those with higher tax rates benefit significantly.
The subsidy distribution is skewed, with California, New York, New Jersey, Connecticut, Massachusetts, Hawaii, D.C., Rhode Island, and New Hampshire receiving the majority of the benefits.
Younger households and those with high incomes are more likely to itemize, resulting in a larger subsidy.
The current tax system encourages high housing spending and ownership, rather than promoting more modest housing choices.
Experts propose alternative policies, such as a mortgage interest credit, a capped credit, or a mortgage interest refundable credit, to address the deduction's shortcomings.

Statistics:

The total subsidy to owner-occupied housing is approximately $331 billion.
The average leverage in the U.S. is 35%, with two-thirds of the subsidy coming from the non-taxation of equity.
Individuals with incomes above $250,000 receive the largest subsidies, with an average of $7,000 per homeowner in states like Hawaii.
Younger households (25-35 years old) receive the majority of the mortgage interest deduction ($5) due to high debt and itemization.
Low-income individuals (over 65 years old) with incomes below $40,000 receive minimal benefits ($5) due to low itemization rates (2.8%).

Sources:

Brookings Institute Panel Discussion, May 19, 2009