Filtering

YIMBY

What Is a YIMBY?

YIMBY, an acronym standing for "Yes In My Backyard," describes advocates who support housing development as a response to the outcomes of restrictive zoning and planning policies.

June 29, 2022 - James Brasuell

Brooklyn Redevelopment

Study: Market-Rate Development Filters Into Naturally Occurring Affordable Housing

New research sheds new light on one of the most hotly debated questions in planning and development.

September 15, 2021 - Full Stack Economics

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

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Urban Design for Planners 1: Software Tools

This six-course series explores essential urban design concepts using open source software and equips planners with the tools they need to participate fully in the urban design process.

Hand Drawing Master Plans

This course aims to provide an introduction into Urban Design Sketching focused on how to hand draw master plans using a mix of colored markers.