Tag Archives: literature review

Gentrification and Displacement

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Joe Wolf

Miriam Zuk et al. have posted a Federal Reserve Bank of San Francisco Working Paper, Gentrification, Displacement and The Role of Public Investment: A Literature Review. The paper opens,

The United States’ metropolitan areas’ ever-changing economies, demographics, and morphologies have fostered opportunity for some and hardship for others. These differential experiences “land” in place, and specifically in neighborhoods. Generally, three dynamic processes can be identified as important determinants of neighborhood change: movement of people, public policies and investments, and flows of private capital. These influences are by no means mutually exclusive – in fact they are very much mutually dependent – and they each are mediated by conceptions of race, class, place, and scale. How scholars approach the study of neighborhood change and the relative emphasis that they place on these three influences shapes the questions asked and attendant interventions proposed.

These catalysts result in a range of transformations – physical, demographic, political, economic – along upward, downward, or flat trajectories. In urban studies and policy, scholars have devoted volumes to analyzing neighborhood decline and subsequent revitalization at the hands of government, market, and individual interventions. One particular category of neighborhood change is gentrification, definitions and impacts of which have been debated for at least fifty years. Central to these debates is confronting and documenting the differential impacts on incumbent and new residents, and questions of who bears the burden and who reaps the benefits of changes. Few studies have addressed the role of public investment, and more specifically transit investment, in gentrification. Moreover, little has been written about how transit investment may spur neighborhood disinvestment and decline. Yet, at a time when so many U.S. regions are considering how best to accommodate future growth via public investment, developing a better understanding of its relationship with neighborhood change is critical to crafting more effective public policy.

This literature review will document the vast bodies of scholarship that have sought to examine these issues. First, we contextualize the concept and study of neighborhood change. Second, we delve into the literature on neighborhood decline and ascent (gentrification). The third section examines the role of public investment, specifically transit investment, on neighborhood change. Next, we examine the range of studies that have tried to define and measure one of gentrification’s most pronounced negative impacts: displacement. After describing the evolution of urban simulation models and their ability to incorporate racial and income transition, we conclude with an examination of gentrification and displacement assessment tools. (2, footnote omitted)

Because gentrification is such a contested topic both within and without the academy, this literature review is very useful. Notwithstanding the fact that the results of many of the studies mentioned are mixed, the authors were able to identify certain findings that emerge from the literature. These include,

  • Neighborhoods change slowly, but over time are becoming more segregated by income, due in part to macro-level increases in income inequality.
  • Racial segregation harms life chances and persists due to patterns of in-migration, “tipping points,” and other processes; however, racial integration is increasing, particularly in growing cities.
  • Despite severe data and analytic challenges in measuring the extent of displacement, most studies agree that gentrification at a minimum leads to exclusionary displacement and may push out some renters as well. (44-45)

As hot cities like New York and San Francisco struggle with their changing housing markets, policy makers should make decisions based on the best available research on gentrification and displacement. This literature review provides a guide.

Regulation and Housing Supply

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Gyourko and Molloy have posted Regulation and Housing Supply to SSRN.  Unfortunately, it is behind a paywall (although it is also available at NBER if your library has access and an earlier draft can be found here). The abstract of this book chapter states that it reviews the scholarly literature on the causes and effects of local government regulation that “influences the amount, location, and shape of residential development.” The abstract continues,

We begin with a discussion of how researchers measure regulation empirically, which highlights the variety of methods that are used to constrain development. Many theories have been developed to explain why regulation arises, including the role of homeowners in the local political process, the influence of historical density, and the fiscal and exclusionary motives for zoning. As for the effects of regulation, most studies have found substantial effects on the housing market. In particular, regulation appears to raise house prices, reduce construction, reduce the elasticity of housing supply, and alter urban form. Other research has found that regulation influences local labor markets, and household sorting across communities. Finally, we discuss the welfare implications of regulation. Although the large positive externalities of some specific rules are clear, the benefits of more general forms of regulation are very difficult to quantify. On balance, a few recent studies suggest that the overall efficiency losses from binding constraints on residential development could be quite large.
Land use geeks are familiar with Gyourko’s analysis of land use regulation, but many non-economists are not.  Even if they are, they often give it short shrift. I found the extension of their analysis beyond the borders of the U.S. interesting:
In theory, the availability of buildable land might not constrain the supply of housing units if housing could be constructed as densely as necessary to meet demand. But in most places in the U.S.—and indeed around the world—local land use policy imposes limits on residential development that restrict the size and type of housing units that can be built on a given amount of land. These restrictions add extra costs to a construction project, creating a wedge between the sales price of a house and the cost of buying the land and building the structure. (3)
As communities struggle with housing affordability, the link between land use regulation and housing costs is one that should not be ignored.

Can You Help Someone Become Financially Capable?

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Researchers at the World Bank have posted Can You Help Someone Become Financially Capable? A Meta-Analysis of the Literature.The abstract reads,

This paper presents a systematic and comprehensive meta-analysis of the literature on financial education interventions.  The analysis focuses on financial education studies designed to strengthen the financial knowledge and behaviors of consumers. The analysis identifies188 papers and articles that present impact results of interventions designed to increase consumers’ financial knowledge (financial literacy) or skills, attitudes, and behaviors (financial capability). These papers are diverse across a number of dimensions, including objectives of the  program intervention, expected outcomes, intensity and duration of the intervention, delivery channel used, and type of population targeted. However, there are a few key outcome indicators where a subset of papers are comparable, including those that address savings behavior, defaults on loans, and financial skills, such as record keeping. The results from the meta analysis indicate that financial literacy and capability interventions can have a positive impact in some areas (increasing savings and promoting financial skills such a record keeping) but not in others (credit default).

I hope that policy makers at the CFPB have reviewed this paper carefully. The Bureau has a financial education mission that must be built on solid research if it hopes to improve outcomes for consumers. A lot of the scholarly work in this area has questioned the efficacy of financial education, but the Bureau seems to be going full speed ahead with it. The Bureau should bore down into the literature to determine which types of interventions are effective before allocating funds indiscriminately to new initiatives.

I am particularly concerned about the last sentence of the abstract which indicates that interventions have failed to improve consumer behavior when it comes to credit default. That seems to be a big problem for any financial skills initiative. Further research should focus on alternative interventions that might be effective in reducing credit default by consumers. And funds should not be wasted in the interim on unproven initiatives in this area.