Rent control is one of the rare policy areas where there is near-universal agreement among economists — and that agreement is that rent control is counterproductive. A 2012 survey by the IGM Forum at the University of Chicago found that 81% of leading economists agreed that rent control reduces housing quantity and quality, with only 2% disagreeing.

The most rigorous empirical evidence comes from a landmark 2019 Stanford study examining the long-term effects of San Francisco's rent control expansion in 1994. The researchers found that while rent control benefited tenants who already had units, landlords responded by reducing their rental housing supply by 15% — through conversions to condos, demolitions, and renovations that exempted units from rent control. This supply reduction drove up market rents by 5.1% citywide, making the overall rental market more expensive.

The mechanism is straightforward economics. When the government caps the price a landlord can charge below the market rate, landlords have reduced incentive to maintain properties, invest in improvements, or even keep units on the rental market. Buildings deteriorate. New construction slows because developers anticipate future rent regulations. The total supply of available rental housing shrinks.

The real-world evidence is consistent across cities and countries. Stockholm's rent control system created a housing queue with an average wait time of 9 years — 20 years for desirable locations. New York City's rent-stabilized apartments, while providing below-market rents for current tenants, created a system where long-term tenants in desirable neighborhoods pay far below market while newcomers face some of the highest rents in the world. A 2023 analysis found that 28% of rent-stabilized apartments in New York were occupied by households earning over $100,000.

Rent control also creates perverse incentives for tenants. Because below-market units are so valuable, tenants stay in apartments that no longer suit their needs — empty nesters holding onto three-bedroom apartments, people commuting long distances rather than moving closer to work, or households subleasing at market rates while paying controlled rent.

The alternative that economists broadly support is increasing housing supply through zoning reform, streamlined permitting, and reduced regulatory barriers to construction. When supply meets demand, prices moderate naturally without the distortions that rent control creates. Cities like Tokyo, which has relatively permissive building regulations, have maintained far more affordable housing than comparable global cities despite high demand.