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

Housing:

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.

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.

What's the difference between “ce”, “ça”, and “cela”, and when do I use each (French)?

Another liberal meme

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

I consider myself a Liberal of this school.

How many of you have had your parental rights taken away because of lies and no truth whatsoever, and did you prove the lies that were told about you to be false either through drug testing or another way, but still had your rights taken?

Housing Crisis (homes too expensive)

This pretty much shows abundant goals

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Tomatoes Recalled Over 'High Risk of Illness or Death' - Newser

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

***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”

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

From an axiology/value theory point of view, how can one say that a diverse society is better than a uniform one, especially given the negative effects of diversity (racism, sectarian conflict, problems arising from extreme cultural relativism)?

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.

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.

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Women's College World Series: Tennessee walks off UCLA in extras to survive controversial ruling - Yahoo Sports

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

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

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

How did President Biden address the housing crisis when he entered office, and what were the outcomes of his actions?

Abundant Liberal meme on this topic