Filtering

Montreal, Quebec

Smart Growth C'est Bon!

Compact infill development can create affordable, inclusive and attractive cities, like Montreal, "plus belle ville au monde."

December 31, 2020 - Todd Litman

Bed Stuy in the snow

New Research Sheds Light on How Housing Filters Through the Market

The idea of filtering is key to pro-housing-development arguments of the benefits of market-rate housing to the affordability of housing. New research finds that filtering is highly variable depending on location.

February 6, 2020 - Social Science Research Network (SSRN)

Apartment Housing

Don't Miss the Middle: The Critical Role of Moderate-Priced Housing to Affordability

To increase affordability communities should support moderate-priced housing development. This increases housing options for middle-income households, and for lower-income through filtering, as households move from low- to moderate-priced units.

December 1, 2019 - Todd Litman

San Francisco Construction

The Housing 'Migration Chain' That Results From Upzoning

A new working paper adds another perspective to the debate about easing zoning regulations to address the affordable housing crisis.

June 14, 2019 - CityLab

Washington, D.C. Apartment

What the Market Can Bear: Defining Limits to Inclusive Housing Requirements

Inclusivity requirements should be used with caution. Increasing the portion of below-market housing units tends to reduce total housing production, particularly moderate-priced homes.

April 29, 2019 - Todd Litman

Rental Construction

How Filtering Increases Housing Affordability

Good research indicates that building middle-priced housing increases affordability through "filtering," as some lower-priced housing occupants move into more expensive units, and over time as the new houses depreciate and become cheaper.

August 27, 2018 - Todd Litman

Australia Hotel

Australia's Housing Market Rebuts Supply Side Housing Policies

Australia's housing market has built steadily at market rates but housing affordability has remained steady. What if building waves of new supply isn't enough to improve affordable housing options for those in need?

March 16, 2018 - The Conversation

The Left Critiques YIMBYism

There are two fundamental flaws with the emergent "YIMBY" approach to planning and development politics, according to this article in an influential magazine of the American left.

August 10, 2017 - Jacobin

Porch

Housing Doesn't 'Filter,' Neighborhoods Do

Housing advocates tend to agree that we need to supplement market-rate luxury development with subsidized affordable housing, but rarely do we ask the market to provide housing for people further down the income ladder. That's bad policy.

November 17, 2016 - Shelterforce/Rooflines

San Francisco Construction

Conflicting Views on How Best to Combat Gentrification, Explained

Two new reports, and one older one, assign unequal significance of the ability of new market rate housing to filter older housing into affordability.

May 31, 2016 - East Bay Express

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