Studies

Ride-Hailing Companies Greatly Increase Pollution, Study Says
The reality of ride hailing has fallen well short of the wishful thinking about reduced congestion and reduced pollution that defined the early days of Uber and Lyft.

Study: Not All Gentrification Effects Are Equal
A comprehensive national study finds that for many original residents of gentrifying neighborhoods, the effects of gentrification can have positive effects.

Measuring Job Densification Trends in U.S. Metropolitan Areas
A new report details the trend of jobs densification in U.S. metropolitan areas between 2004 and 2015, finding a few large metropolitan areas leading an overall increase in jobs density. Still, many areas are seeing jobs disperse around the region.

Congestion Pricing Studied for Downtown Seattle
The Seattle Department of Transportation (SDOT) recently commissioned a study to explore the potential impact of congestion pricing.

For Many, the Personal Cost of Moving Outweighs Potential Economic Benefit
Another explanation for the declining mobility of Americans is revealed by a new study from the Federal Reserve Bank of New York.

Housing Inequality the Leading Cause of Wealth Inequality
New research and mapping projects reveal how the deeply embedded racism of planning and housing policies of the past are connected to the growing wealth gap of the present.

Report: Congestion Defeats the Economic Purpose of Cities
Rapid urbanization and over-reliance on the inefficiencies of automobiles has set back the economies of urbanizing locations in the Global South, according to a new report.

EPA Scientists Warn: Climate Change Will Cost the U.S. Hundreds of Billions a Year
Experts are calling a recent study published by researchers from the U.S. Environmental Protection Agency the most thorough examination yet of the potential impacts of climate change on the U.S. economy.

Study: Density Can Impede Growth
Size and growth go hand in hand, until they don't, according to a new analysis. Density might be the reason that synergy eventually shortcircuits.

The State of the D.C. Region's Bus Network
The Bus Transformation Project recently released its findings on the state of bus transit in the Washington, D.C. region.

Real Estate in the U.S.: More and More 'Million-Dollar Neighborhoods'
A new report from Trulia reveals the quickly increasing number of neighborhoods in the country that have a median home price touching seven figures.

Measuring the Effect of Blight Remediation Programs
Tulane researchers received major funding support from the National Institutes of Health to study the effects of blight remediation on youth and family violence.

Forget Stop Signs: Use Psychology to Get Drivers to Yield
A new study sheds light on what actually convinces drivers to slow down and stop for pedestrians.

Ride Hailing and Travel Behavior: It's Complicated
A pair of new studies add to an emerging scientific model of the effect of transportation network companies like Uber and Lyft. The complication: One study reinforces earlier findings, and the other contradicts.

Everything About Tax Increment Financing
A controversial form of value capture, tax increment financing begs for further analysis and understanding. A new report by the Lincoln Institute of Land Policy sheds light on the subject.

Study Critiques the Fiscal and Racial Consequences of Capping Property Taxes
A new report by the Center for Budget and Policy Priorities finds major flaws with property taxes in several states, and proposes a solution that could mitigate the least desirable consequences of limits to property tax increases.

Parking Inventories for Five Cities
A new report providing credible estimates of five cities of differing size and geographic location reveals one truth about the United States: parking is the dominant land use in cities.

Study: Where Land Values Soar, Houses Come Down
Soaring land values are leaving an indelible mark on the building stock of Vancouver, British Columbia.

Where the Economic Recovery Has Been Most Inclusive
Across racial and economic lines, not all cities are recovering equally.

The American Eviction Epidemic
According to a new report, a U.S. "eviction epidemic" is connected to a growing number of homeless people.
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