This article explores the main schools of economic thought: Classical, Neoclassical, Marxist, Keynesian, Monetarist, Austrian, and Behavioral Economics (yes, the one that studies why we’re so bad at making decisions with money). Economics has gone from believing in invisible hands to trusting that a pigeon can teach us more about rational decisions than a PhD. Get ready for a journey where inflation is the villain, the State is a character with a superhero complex, and the market… is like that friend who “says he’ll fix everything,” but only when he feels like it.
1. Classical School
(18th – 19th century)
It all starts with Adam Smith, the founding father of modern economics, who one day said to himself:
“What if the market just works on its own, like a well-behaved child?”
And so the invisible hand was born — the same idea behind the capitalist revolution — that sexy concept that sounds like a martial art or a Marvel villain. Smith said that if we all pursued our personal gain, common welfare would magically follow too. In other words, if everyone wants to get rich selling bread, eventually nobody starves.
Spoiler: It doesn’t always work out that way.
Then other classics arrived, like Ricardo and Malthus. The latter basically said we were all going to starve because population grows faster than food. Which sounds like a script for “The Walking Dead,” but without zombies, just a lot of hunger and shared grass.
2. Neoclassical School
(19th – 20th century)
The neoclassicals took the classics’ ideas and said:
“Hey, what if we use math to make this sound more scientific?”
And so, with lots of graphs and equations, they started modeling human beings as “homo economicus,” a rational, maximizing individual with a built-in calculator in their head.
The problem is that this individual doesn’t exist. Nobody spends three hours comparing cookie prices as if it were a life-or-death decision.
Still, these models are elegant and help explain supply and demand, elasticities, and why we sometimes buy useless things when they’re on sale.
3. Marxism
(19th century – today, in left-wing meetups and coffee mugs with Che Guevara on them)
Karl Marx looked at capitalists and said:
“These people are exploiting workers as if they were human batteries.”
For Marx, history is a class struggle. The capitalist (owner of the means of production) extracts value from the worker and gets rich while the laborer eats stale bread with tears.
His proposal: Revolution, socialism, and then communism.
For some, it’s a valid and necessary critique. For others, it’s the reason you can’t find toilet paper in certain countries. Either way, Marx contributed concepts like surplus value, alienation, and some very intense memes.
4. Keynesianism
(20th century, wearing an elegant tie, coffee in hand)
When the Great Depression hit the world like some kind of karma for dancing the Charleston, John Maynard Keynes stepped onto the scene with his theory:
“The market doesn’t always fix itself. Sometimes it’s just lying on the sidewalk waiting for help.”
For Keynes, the State must intervene in the economy during crises, injecting public spending, creating jobs, and preventing total collapse. It’s like telling the State: “Here, take this credit card and save the party.”
Keynes was hated by conservatives and loved by those who believed that building roads could also fix the economy (and hey, sometimes it works).
5. Monetarism
(20th century – when inflation became the Voldemort of economics)
Milton Friedman, the great guru of monetarism, went so far as to say:
“Public spending doesn’t fix anything if you inject money like it’s Red Bull. All you get is inflation.”
Friedman argued that controlling money is the key. For him, monetary policy (that is, what the central bank does with the money printer) is more important than fiscal spending.
In short, his motto was: “Less State, more market, and put away the printer.”
6. Austrian School
(20th century – present, with followers who quote Hayek at parties)
The Austrian School, led by Menger, Hayek, and von Mises, is like economics’ libertarian cousin. It believes in:
- Individual freedom
- Zero state intervention
- And that any regulation is basically the first step toward a dictatorship (drama, please!).
For them, the market is wise, the State is clumsy, and the best system is one where everyone does what they want… as long as they don’t ask for subsidies.
Sometimes it sounds romantic, other times it sounds like we’re all going to end up selling things at tax-free flea markets.
7. Behavioral Economics
(21st century – when economics goes to therapy)
When people realized that “homo economicus” was about as real as unicorns, this school emerged to study how we actually make economic decisions: badly, with biases, emotions, and hunger.
Names like Daniel Kahneman, Dan Ariely, and Richard Thaler showed that the human brain:
- Is lazy.
- Is emotional.
- And often makes decisions as if it were hungry and sleepy at the same time.
An example? Buying super expensive insurance for a 
5 extra for healthy food.
Yes, we’re like that.
Epilogue: Who’s right?
The answer is: everyone and no one.
Each school contributes a piece of the puzzle. Some work well in times of crisis, others in times of stability. Some explain why financial bubbles happen, and others help us understand why people line up to buy vegan croquettes covered in gold.
Conclusion:
Economics isn’t an exact science; it’s more like an eternal conversation about how we deal with scarce resources, infinite desires, and complicated brains.
And if you ever feel confused reading about macroeconomics, inflation, business cycles, or interest rates, remember:
Not even economists agree with each other.
But they all get paid the same.
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