Relearning Economics Profile picture
Sep 7 13 tweets 2 min read Read on X
What is wealth? Different schools of economics give very different answers.

A thread.
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Classical economics (Smith, Ricardo):

Wealth = produced surplus.

It comes from labor applied to nature, creating output beyond subsistence.

The central issue is distribution: who gets profits, wages, and rents?
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Neoclassical economics:

Wealth = utility embodied in goods & services.

Focus shifts from production to exchange.

Here, wealth is whatever satisfies preferences, measured in prices.
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Marginal Productivity Theory:

Each factor earns what it "contributes."
Labor → wages, capital → returns, land → rent.

It presents wealth distribution as fair, but ignores power, institutions, and inequality.
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Austrian economics (Menger, Böhm-Bawerk, Hayek):

Wealth = subjective value.

Rooted in time preference, capital structure, and individual choice.

Markets reveal value through prices, but abstract away from power and institutions.
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Keynesian economics:

Wealth isn't stockpiles, it depends on effective demand.

Idle resources aren’t wealth.

Wealth exists when demand activates production and employment.
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Post-Keynesian economics:

Wealth = financial claims shaped by money and credit.

Banks create assets and liabilities.

Net wealth arises when government deficits add safe financial assets to the private sector.
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Marxist economics:

Wealth = surplus value extracted from labor.

Financial wealth often represents "fictitious capital" resting on real exploitation.

Wealth is inseparable from class power and control over production.
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Monetary & financial perspective:

Wealth = claims on others.

Stocks, bonds, real estate are distributional, one person's asset is another’s liability.

True at both household and global balance-sheet levels.
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Ecological economics:

Wealth = natural + human systems capacity.

GDP can rise while soils, water, and climate collapse.

Real wealth = sustainability of the system that supports life.
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National accounts vs households:

For households, wealth = net worth.

For the nation, gov deficits = private surpluses.

But ecological wealth may shrink even as financial wealth rises.
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So when you hear "wealth creation," ask:
–Are we talking utility?
–Surplus production?
–Financial claims?
–Ecological capacity?

The answer depends on the school — and each serves its own politics.
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Wealth isn't just numbers in accounts.

It's resources, power, and sustainability.

Textbook definitions hide this. Critical schools make it visible.
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More from @RelearningEcon

Sep 3
The "crowding out" myth: government deficits don’t squeeze private investment.

They create net financial assets.

A thread.
🧵1/12 Image
The textbook story:
Gov borrows more → supply of loanable funds falls → interest rates rise → private investment gets "crowded out."

It’s tidy. It’s also not how modern monetary systems work.
🧵2/12
Reality: when the federal gov runs a deficit, it injects more net financial assets into the private sector.

Treasuries are just safe interest-bearing assets created by public spending.
🧵3/12
Read 12 tweets
Sep 2
Elon Musk warns of "low birth rates."⚠️

But the real threat isn’t too few people, it’s the system’s limits.📈

The Limits to Growth study had the answer 50 years ago.

A thread.
🧵1/12 Image
Musk’s story: if population falls, economies collapse.

His "fix"? Have more children.

But this assumes growth = bodies. It misses the real constraint: the material system that supports those bodies.
🧵2/12
Back in 1972, Limits to Growth modeled the global economy as a system of stocks and flows:
–Population
–Resources
–Industrial output
–Food
–Pollution

The feedbacks between them told a stark story.
🧵3/12 Image
Read 12 tweets
Aug 28
MPT claims wages equal your individual contribution.

But the evidence doesn’t fit. CEO pay has soared while worker wages barely budged.

Either CEOs became omnipotent, or MPT fails.
🧵1/10 Image
Since 1978:
– CEO compensation rose ~1,200%
– Worker pay ~15%
– Productivity ~70%

MPT can’t explain this gap.

citations:
-barrons.com/articles/worke…
-mdpi.com/1911-8074/14/5…
-businessinsider.com/ceo-compensati…

🧵2/10
Across borders, identical jobs pay wildly different wages.

A McDonald’s worker in the U.S. earns 4–5× what a counterpart in Brazil does, even adjusted for Big Macs.

Institutions, not productivity, are the story.

citations:

🧵3/10crei.cat/wp-content/upl…
Read 10 tweets
Aug 27
Perfect competition is the textbook ideal:
– Many small firms
– Identical products
– Perfect information
– Free entry & exit

In this world, no firm has power. Prices are set by supply & demand.

But here’s the problem…
🧵1/9 Image
No real-world industry looks like this.

Firms spend billions on branding precisely because products aren’t identical.

Information is imperfect. Entry is costly. Exit destroys capital.

The assumptions erase how markets actually work.
🧵2/9
Textbooks still cling to it because it creates neat diagrams:
– Downward sloping demand
– Upward sloping supply
– Equilibrium at the intersection

But the model’s clarity comes from stripping away reality.
🧵3/9
Read 9 tweets
Aug 25
📌 Share buybacks: greedy short-termism, or part of a broader capital system?

The debate is noisier than it is clear.

Here’s a systems view.
🧵1/12 Image
Buybacks spark endless debate: are they corporate greed, or rational capital use?

Critics say they starve investment.

Defenders say they return cash to shareholders.
But the real story is more complex.
🧵2/12
My take: buybacks are like buying out a silent partner.
Equity is financing, just like debt.

When firms don’t need that equity anymore, they repurchase shares.

It’s a repositioning, not the end of investment.
🧵3/12
Read 12 tweets
Aug 21
📌 The "natural rate of interest" (r) is one of the most misleading ideas in macro.

If the natural rate is zero, then it isn’t a rate at all, it’s a fiction.

A thread.*
🧵1/10 Image
Wicksell’s idea: there exists some "natural" interest rate where saving = investment and inflation is stable.

Mainstream macro still clings to this.

But once you examine how credit economies work, the floor falls out.
🧵2/10
In a monetary economy, saving adjusts after investment, not before.

Banks create credit to finance investment.

That means interest rates don’t equilibrate saving & investment, they influence distribution, debt loads, & growth.
🧵3/10
Read 10 tweets

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