The Rent Gap Theory (2024)

Some urbanism commentators suggest that gentrification is the result of a "rent gap" between actual and potential rent. How should this theory affect zoning policy?

The Rent Gap Theory (1)

2 minute read

January 15, 2020, 10:00 AM PST

By Michael Lewyn @mlewyn

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The "rent gap"theory offers on thecommon explanations for gentrification. According to this theory, investors will be most tempted to purchase land when there is a disparity between the current rental income of the land and the potentially achievable rental income. The theory makes sense at first glance—why invest money in land if you cannot make a profit on it?

What is more controversial is the use of rent gap theory to justify opposition to new market-rate housing. One argument is that if new market-rate housing is built, landlords will discover that they can afford to charge more rent for existing housing, and thus start raising rents and evicting tenants. Thus, it is argued, market-rate housing in lower-income areas leads to gentrification and the displacement of poorer tenants. It seems to me, however, that the logic of this argument supports no new market-rate housing anywhere: if new housing raises rents, obviously any new housing (other than government-subsidized low-income housing) is bad.

It seems to me, however, that this version of rent gap theory is based on a couple of questionable assumptions. First, it overlooks the effect of zoning on "potentially achievable rental income." It seems to me that anti-housing zoning actually increases potential rent: a city that severely limits the supply of housing will normally increase the price of such housing, which in turn means that the rental income potentially available to a new building's landlord will be much, much higher than the rental income that a landlord might get in a more permissive city. It follows that restrictive zoning may increase the rent gap, rather than erasing the rent gap.

Second, the use of rent gap theory to oppose new housing makes sense only if new housing increases the value of existing housing nearby, thus creating a rent gap where none existed. In theory, this might be true if new housing leads to amenities that make the existing housing more attractive. On the other hand, some studies suggest that new housing not only holds citywide rents down by increasing housing supply, but might even have the same effect on nearby housing. For example, a new study by Evan Mast and two other economists finds that new market-rate units lower rents in nearby buildings by 5 to 7 percent. Thus, new housing might not be the cause of a rent gap. More broadly, new housing might be the result of gentrification rather than the cause—otherwise, neighborhoods like New York’s West Village (which have experienced less new construction than other city neighborhoods) would never gentrify.

So even if the rent gap theory is to some extent valid, it does not follow that it justifies opposition to new housing.

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Michael Lewyn

Michael Lewyn is an associate professor at Touro University, Jacob D. Fuchsberg Law Center, in Long Island. His scholarship can be found at http://works.bepress.com/lewyn.

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I'm Michael Lewyn, an associate professor at Touro University's Jacob D. Fuchsberg Law Center, specializing in urbanism, housing, and zoning policies. My expertise is evidenced by my scholarly contributions, which can be found at . Now, let's delve into the concepts discussed in the provided article.

The article revolves around the "rent gap" theory and its implications for gentrification and zoning policies. According to this theory, investors are attracted to purchasing land when there's a disparity between current and potential rental income. This "rent gap" is presented as a driving force behind gentrification. Here are key concepts discussed in the article:

  1. Rent Gap Theory: The central theme of the article, suggesting that investors are motivated to buy land when there's a difference between current and potential rental income.

  2. Gentrification: The process wherein urban areas undergo transformation, often involving the influx of wealthier residents and increased property values, leading to the displacement of lower-income residents.

  3. Zoning Policies: Regulations that control land use and development within a municipality. The article questions how the rent gap theory should influence zoning policies.

  4. Market-Rate Housing: Housing whose rent is set by market forces, not government intervention. The article debates whether the construction of new market-rate housing contributes to gentrification.

  5. Housing Affordability: The article touches upon concerns about rising rents and potential eviction of tenants, linking them to the construction of new market-rate housing.

  6. Supply and Demand: Economic principles that play a role in housing markets. The article suggests that new housing might impact citywide rents and the affordability of housing.

  7. Evan Mast: The article references a study by Evan Mast and two other economists, indicating that new market-rate units might lower rents in nearby buildings.

  8. Urban Development: The broader context in which gentrification and housing policies are situated, encompassing the growth and transformation of urban areas.

  9. Political Opposition: The article discusses how the rent gap theory might be used as a basis for opposing new housing developments and the potential role of political factors in shaping housing policies.

Understanding these concepts is crucial for navigating the complexities of urban development, housing dynamics, and the policy considerations associated with gentrification and zoning.

The Rent Gap Theory (2024)

FAQs

What is the rent gap hypothesis? ›

The rent-gap theory was developed in 1979 by the geographer Neil Smith as an economic explanation for the process of gentrification. It describes the disparity between the current rental income of a property and the potentially achievable rental income.

What is the rent gap? ›

The gap between the actual rent paid for a piece of land and the rent that could be collected if the land had a 'higher' use. The idea is central to, but does not entirely explain, gentrification; see N. Smith (1996).

What is the summary of theory of rent? ›

The theory of rent in microeconomics highlights that rent is considered a surplus, and it is not tied to land alone but also to labor, capital, and entrepreneurship. It is the difference between actual and transferred business earnings. The theory defines rent as an excess amount of the transfer earnings.

What is the assumption of rent theory? ›

Assumptions of the Theory:

Rent of land arises due to the differences in the fertility or situation of the different plots of land. It arises owing to the original and indestructible powers of the soil.

What is the rent gap theory of gentrification? ›

The "rent gap" theory offers on the common explanations for gentrification. According to this theory, investors will be most tempted to purchase land when there is a disparity between the current rental income of the land and the potentially achievable rental income.

What is the 50% rent rule? ›

The 50% rule or 50 rule in real estate says that half of the gross income generated by a rental property should be allocated to operating expenses when determining profitability. The rule is designed to help investors avoid the mistake of underestimating expenses and overestimating profits.

How do you explain gaps in rental history? ›

If you have gaps in information such as employment or rental history explain why that is. For example, if you are not currently employed, state that you are unemployed but plan on going back to school or finding a job once you move.

What is Malthus theory of rent? ›

Thomas Malthus contributed the beginnings of the differential theory of rent, endeavoring to show that rent will not arise until land of inferior quality is taken under cultivation. David'Ricardo fully developed the theory of rent which is named Ricardian: rent is a surplus in the form of a differential.

What is the theory of rent scarcity? ›

In other words, the supply of land is completely inelastic. Therefore a price (i.e. rent) must be paid for the use of land. Since, the land rent appears due to the scarcity of land given the assumption that all plots of the land are hom*ogenous, it is also known as scarcity rent.

What is the rent seeking perspective? ›

Rent-seeking can be defined as the practice of obtaining economic advantages and increasing profits through manipulative means, then failing to improve the economy productively. Rent-seeking involves manipulating public policies such as social service programs and government-funded social services.

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