Friedrich August von Hayek, Wirkungen der Mietzinsbeschränkungen (1931)

Hayek’s conference contribution examines how rent restrictions reshape housing supply, the allocation of dwellings, income distribution, and the conditions of production. Its scope includes both statutory ceilings and public construction intended to push rents below market levels, while excluding business premises. Vienna supplies his principal illustration, but he presents the argument as theoretical rather than dependent on Austrian circumstances. His central move is to shift attention from the immediate benefit to protected tenants toward the cumulative effects of suppressing prices and immobilizing occupancy.

Housing’s durability explains why wartime controls could survive here after disappearing elsewhere: existing buildings continue providing accommodation long after incentives for their replacement have weakened. That persistence conceals the difference between an emergency redistribution of an inherited stock and a sustainable system of provision. Lower rents expand demand, while the difficulty of securing another dwelling encourages tenants to retain accommodation they would otherwise relinquish. Consequently, a shortage can coexist with declining population, increasing housing numbers, or falling average occupancy.

Public construction, Hayek argues, cannot indefinitely remain a supplement to private provision if rents throughout the market are held below remunerative levels:

Auf die Dauer muß aber, solange der Versuch gemacht wird, durch öffentliche Bautätigkeit den durch Herabsetzung aller Mietzinse gesteigerten Bedarf zu befriedigen, das gesamte Wohnungsangebot durch die öffentliche Hand bereitgestellt werden.

English translation: In the long run, however, as long as an attempt is made through public construction to satisfy the demand increased by reducing all rents, the entire housing supply must be provided by the public authorities.

The claim concerns replacement as well as additional demand. Restricting subsidies to modest dwellings reduces the financial commitment but introduces further problems: attractive subsidized accommodation also draws wealthier applicants, while the rent gap between subsidized and private categories encourages households to accept poorer housing than they would otherwise choose.

The argument then turns from quantities to allocation. Protection preserves an historically inherited distribution increasingly unrelated to changing household needs. Subletting, exchanges, and payments for transferring occupancy partially loosen this rigidity, but operate through a restricted supply. Unprotected newcomers therefore face worse terms than they would in a unified market:

Praktisch heißt dies, daß ein großer Teil der nachwachsenden jungen Generation an die ältere, noch aus der Vorkriegszeit über Wohnungen verfügende einen Tribut zahlt, der die Miete übersteigt, die er ohne Mieterschutz dem Hausherrn entrichten müßte.

English translation: In practice, this means that a large part of the rising younger generation pays the older generation, which still possesses dwellings dating from before the war, a tribute exceeding the rent it would have to pay the landlord without tenant protection.

Redistribution thus occurs not simply between landlords and tenants, but between protected incumbents and excluded entrants. Average occupancy statistics conceal the resulting inequalities. Residential immobility also obstructs the movement of labour: workers commute at additional cost or refuse distant employment rather than surrender protected accommodation. Conversely, where cheap urban dwellings become available, Hayek argues that they can encourage migration into cities and intensify unemployment in a subsequent downturn. His accompanying reservations about subsidizing urban growth and poorer households’ childbearing reveal the evaluative assumptions surrounding his allocation argument.

The wage discussion rejects the claim that cheap housing necessarily lowers money wages and thereby improves industrial competitiveness. Wages cannot simply be derived from workers’ living expenses. Under collective bargaining, protected accommodation may instead strengthen unemployed workers’ capacity to resist wage undercutting, much as unemployment benefits do. Hayek allows that sudden rent increases could provoke new wage demands, but distinguishes that transitional reaction from a general theory of wage determination.

More consequential, he argues, are indirect effects on labour demand through capital supply and productivity. Restricted property income prevents the recovery of capital through amortization, while taxation for public construction diverts resources from industrial investment. His comparison between Vienna’s housing expenditure and the stock-market value of Austrian industrial companies dramatizes the scale he attributes to this diversion. He acknowledges that judging such expenditure depends on a wider disagreement: whether recovery requires increased consumption and public works or additional productive capital. He states his opposition to the former view without attempting its full refutation here.

The analysis culminates in a problem of information. Even uncontrolled new construction lacks a reliable guide when controls distort the allocation of existing dwellings:

Heute weiß man aber weder, wo noch nach welcher Größe und Qualität von Wohnungen ein wirklicher Bedarf besteht.

English translation: Today, however, one knows neither where there is a real need for dwellings nor what size and quality of dwellings are needed.

Building for currently unhoused families may reproduce a mismatch that transfers within the existing stock could resolve. Prices matter here as signals coordinating new construction with changing uses of inherited housing. Waiting for supply and demand to balance before removing controls may therefore perpetuate the very conditions preventing adjustment.

Hayek nevertheless separates identifying adverse consequences from deciding policy: acknowledged benefits could still justify protection. His own preference is a return to a free housing market, but not abrupt abolition. Sudden deregulation would expose mismatches, strain the supply of small dwellings, and invite temporary rent overshooting. He instead proposes progressively enlarging a free sector: make protection personal rather than transferable or inheritable, release specified dwellings and subdivided space, encourage subdivision, tax vacancies, and give tenants more favourable notice periods. Public support could ease transitional bottlenecks, with emerging market rents directing investment; any continuing subsidy for cheap housing should concentrate on modest small dwellings. The contribution’s lasting conceptual interest lies in connecting price intervention to incumbent privilege, labour mobility, capital allocation, and the loss of information needed for orderly reform.