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In response to Spain's worsening housing crisis, Pedro Sánchez championed rent controls, eviction restrictions, and purchasing limits. However, studies show that applying rent controls diminishes the total supply of rental properties. While aiming to protect existing tenants from rising costs, these measures inadvertently hit individuals outside the system harder, compounding existing deficits where annual construction fails to match household growth.

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The most effective way to lower housing prices is to increase supply. Instead of artificially freezing rents, which discourages investment, policymakers should remove regulations that make building new units difficult. More construction creates more competition, which naturally drives down prices for everyone.

After President Javier Milei deregulated rental policies, landlords who had kept properties vacant flooded the market. This massive supply increase caused inflation-adjusted rents to fall by up to 40%, demonstrating that removing price controls, not imposing them, can solve housing shortages.

Policies that ban landlords from performing credit checks or vetting income will have the opposite of their intended effect. To mitigate risk from potentially non-paying tenants, landlords will be forced to demand much higher upfront rents and multi-month prepayments, making housing even less affordable for responsible tenants.

While politically popular, rent freezes create long-term housing shortages. By capping potential returns, they disincentivize developers from building new units. This artificially constricts supply, ultimately hurting future renters who face a less available and more expensive market.

Counter to the goals of rent control, Argentina's move to deregulate its rental market had a positive effect. Disincentivized landlords flooded the market with properties, increasing supply by over 170%. This surge caused inflation-adjusted rents to fall by up to 40%, demonstrating classic supply-and-demand economics.

New rent control laws don't just limit rent; they fundamentally cap the equity upside for real estate investors. By limiting potential cash flow growth from an asset, these policies make building or upgrading apartment buildings less attractive. This discourages the very capital investment needed to solve the housing supply crisis.

Rent control policies are fundamentally flawed because they disrupt the economic incentives required to maintain and build housing. Landlords, maintenance workers, and manufacturers won't provide their services at a loss, which inevitably leads to a decrease in housing supply and quality.

The history of rent control in New York City shows how price caps disincentivize maintenance and new construction. This leads to a death spiral of deteriorating housing stock, supply shortages, abandonment, and ultimately higher market rents for any new, uncontrolled units.

Politicians at all levels actively restrict housing supply through zoning and other policies. This is not incompetence, but a deliberate strategy to protect and inflate property values, which satisfies the large and reliable homeowner voting bloc, ensuring re-election at the expense of renters and future buyers.

While reducing evictions helps current tenants, it creates an unintended consequence: landlords become more cautious when selecting new ones. Knowing it's harder to remove a problematic tenant, landlords increase screening scrutiny, which can lead to discriminatory practices against applicants perceived as higher risk, making it harder for newcomers to find housing.