1. First principles

Legend: [assumption] - assumptions will be explicitly [fact] — definitions, mechanics, how something works [data] — empirical observations, historical patterns, current readings

Everything other statement that is not marked will be an argument that stems from assumptions / facts / data using logical chains.

What assumptions are we making in this article?

[assumption] humans desire more than they already have

What truly matters: fulfilling desire, not money

[fact] Money is not the goal, it is the common medium of exchange humans have selected to fulfill desire. Fulfilling desire requires resources, which in turn require money, or power.

Why is investing necessary?

[fact] In a deflationary economy, there is no need to invest - money later is worth more than it is now, so you will be able to fulfill more of your desires later than now.

In an inflationary economy, money later is worth less than it is now, so staying in cash means that you will not get as many resources later as you can now.

To combat inflation, investing comes in.

Why do governments try to create inflationary economies?

Governments try to create inflationary economies to

Thought Experiment: Imagine a world where

• humans are content, i.e. do not desire for more than what they already have, do not try to improve / be more productive
• there is no debt,
• there are no other countries for people to compare themselves to

Productivity stays constant, supply and demand are stable, prices stay the same. The economy is neutral. Money today is worth the same as money tomorrow. Everyone is content with living or dying and the world does not change.

Desire and scarcity leads to trade

Next, let's consider what happens when desire steps in. Imagine now you are a human in this single country all consume the apple of eden and start to crave more than what they already have [assumption], and also act on those cravings [assumption]. You have a desire to continue living past the present moment, and you see other humans having what you do not (different food, different shelter) [assumption]. Some differences are better or worse, e.g. nutritious vs poisonous food, sturdy vs fragile shelter. Your fellow humans are also experiencing the same things, and from this mutual desire - along with the absence of charity [assumption] - exchange arises. You give something you want less in exchange for what you want more, and they do the same.

Desire and trade leads to specialisation

Consider the following scenario:

• Day 1: You trade some of your food for some of their shelter materials. Both of you are better off than before. Simple.
• Day 2: You do the same. But this time you notice something - the trade was faster because you already had surplus food from yesterday. You did not need to go hunting first.
• Day 3: You think ahead. If you spend more time hunting today, you will have more to trade tomorrow. You deliberately produce beyond your own needs for the first time — not to consume, but to exchange.
• Day 4: Your neighbour does the same. They spend more time gathering shelter materials than they need, knowing you will trade food for it.
• Day 5: You both notice you are getting better at your respective tasks. You are hunting faster. They are building faster. Practice compounds.
• Day 6: You realise you spent an hour yesterday trying to fix your own shelter — an hour you could have spent hunting. That hour cost you more food than the shelter materials you could have traded for. Doing everything yourself has an invisible cost.
• Day 7: You stop trying to do everything yourself. You farm. They build. Not because anyone told you to — because day after day, exchange made it the obvious choice.

Specialisation emerges not by design, but as the inevitable outcome of repeated exchange between humans with different abilities and mutual desire.

Specialisation leads to productivity

Over time, total output across the group rises. The farmer produces more food than before. The builder builds more shelter. The hunter catches more game. No one is working harder — they are working smarter.

Surplus accumulates. The farmer, no longer spending time on shelter or hunting, has more food than they can eat. They use some of today's surplus to free up time to build a plough — sacrificing consumption now to produce more tomorrow. This is capital formation: reinvesting surplus into tools that multiply future output.

Knowledge accumulates alongside capital. The farmer learns better techniques, passes them to their children, who start from a higher base than their parents did. Each generation inherits the productivity gains of the last. Output compounds not just within a lifetime, but across generations.

Productivity and scale leads to money

But exchange through direct trade has a problem.

You have surplus food. You want shelter materials. But your neighbour who has shelter materials does not want food right now — they already have enough. No trade occurs. You both leave worse off than you could have been.

This is the double coincidence of wants problem — for direct exchange to work, both parties must want what the other has, at the same time. As the number of people and goods grows, this becomes increasingly unlikely. Exchange starts to break down under its own complexity.

Day 8: You try trading food for something else — something everyone seems to want and no one produces enough of. A rare shell, perhaps. Not because you want the shell, but because you are confident someone else will accept it in exchange for what you actually need.

Day 9: Others notice the same thing. The shell starts to change hands not for its own sake but as a stepping stone to other trades. It has become a medium of exchange.

Day 10: Someone who has never touched a shell accepts one for their shelter materials — not because they want it, but because they trust others will accept it from them tomorrow. The shell's value is now entirely based on collective belief [assumption — shared trust in the medium of exchange].

This is money. Not a government invention, not a decree — but the spontaneous outcome of exchange trying to scale beyond the limits of direct barter. Whatever object a community collectively agrees to trust as a medium of exchange becomes money.

Money and productivity leads to deflation

Assuming that the number of shells in circulation do not change and specialisation driving output ever higher, a simple arithmetic relationship emerges.

If 100 apples exist and 100 shells are in circulation, each apple costs 1 shell. Next year, specialisation and capital formation have produced 200 apples. Still 100 shells in circulation. Each apple now costs half a shell.

More goods. Same amount of money. Prices fall, i.e. deflation. Each shell quietly becomes more powerful.

This is the natural resting state of a closed, debt-free economy driven by human desire and productivity. Deflation is not the enemy here - it is the signature of a civilisation that is getting better at producing things.

Deflation leads to money hoarding

In this world, saving is rational. A shell tomorrow buys more than a shell today. There is no urgency to spend or invest — time is on your side. The patient are rewarded.

But if everyone saves simultaneously, nobody spends. Exchange dries up. The farmer produces surplus that nobody buys. The builder gathers materials nobody trades for. The economy that made specialisation possible begins to unravel — not from disaster, but from everyone making the individually rational choice at the same time.

The hoarder problem is: individually rational, collectively destructive. Each person saving makes perfect sense. Everyone saving simultaneously starves the exchange economy that made specialisation possible in the first place.

Money hoarding leads to stagnation

The real cost of hoarding isn't collapse — it's stagnation. The economy stops improving. Specialisation partially unwinds because there's less exchange to justify it. The farmer still farms, but produces less surplus because there's less to trade for. Capital formation slows — why build a plough if you can't sell the extra apples it produces?

Left unchecked, stagnation could deepen into recession — output actively shrinking as specialisation further unwinds. But it has a natural limit.

Stagnation finds a natural floor

Left unchecked, stagnation could deepen into recession — output actively shrinking as specialisation further unwinds, but it has a natural limit. People still need to eat, stay warm, survive. No matter how rational hoarding is, you cannot hoard yourself to death. At some point the desire to survive forces you back into exchange — you spend your shells on food even if you'd rather save them.

So the economy doesn't collapse to zero. It finds a lower equilibrium — less exchange than before, less specialisation, less productivity growth, but not nothing. People retreat toward subsistence but don't reach it.

So the stable point with hoarding is: survival maintained, but productivity growth arrested. The civilisation plateaus rather than compounds.

Which raises the question — is that actually a problem in a single closed country with no other countries to compare against? Arguably not. People are alive, needs are met, the world is stable.

In isolation, a plateauing civilisation is not a crisis. The problem only arrives when we introduce the next variable.

Metrics

Inflation

Lagging Indicators

How money works

How to invest