What is the "abundance agenda" and how does it relate to supply-side liberalism?

It’s a still nascent system created and advocated for by “Card-carrying Liberals”*** in America.

Abundance Agenda and “Supply-Side Liberalism/Progressivism” are the same thing, but the former sounds way cooler.

Housing:

I've written three books, but I haven't been able to promote them yet. What should I do?

cheap loans and grants that are given to buy said scarce housing (subsidizing demand)

****Abundance Liberals are not Libertarians, they are willing to make use of government support in the economy

The battle where this is being put to the test now in in Housing.

Club World Cup crowds have wildly fluctuated, from swathes of empty seats to 'hostile' atmospheres - AP News

I consider myself a Liberal of this school.

Zoning laws that make it hard to build housing (strangling supply)

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DC Mayor Bowser’s message for Shakira after WorldPride cancellation: ‘Get yourself here’ - WTOP

Another liberal meme

Housing Crisis (homes too expensive)

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Angels To Promote Christian Moore - MLB Trade Rumors

The Abundant answer to this crisis is to create “abundant” housing, of all types, where it is most needed, thereby alleviating the Housing Crisis, which to Abundant Liberals is a crisis of artificial scarcity due to government policy.

In a nutshell the idea is that for too long, American governments (state/local/federal) have enacted regulations that have, inadvertently or not, driven up the prices of key goods and services by strangling supply and subsidizing demand. Abundance Liberals are against this combination. Namely, they want to stop strangling supply and allow for the markets — aided by the state where effective**** — to build mass amounts (abundance) of the goods and services we want and need, driving down prices.

Abundant Liberals reject the idea that capitalism itself is to blame for the Housing Crisis, or most other economic crises we are seeing today, instead arguing that bad policy is the root cause.

'The Life of Chuck' Filmmaker Mike Flanagan on Stephen King Film - IndieWire

Abundant Liberal meme on this topic

***I use the term “Card-carrying Liberal” to denote self-described Liberals who are active in expressly Liberal spaces, fighting for expressly Liberal goals, rather than as a catch-all term for “Democrat”

This pretty much shows abundant goals

Federal Reserve Board announces that reputational risk will no longer be a component of examination programs in its supervision of banks - Federal Reserve Board (.gov)

Abundant Liberals want to create mass abundance in all spheres. Energy, education, housing, food, transit, etc etc etc. They tend to be deeply urbanist and aim to have “tall cities” if you’re familiar with the term in strategy games. Lots of apartments, lots of transit and walkability, and so on.