Stages and Economic Functions of Capitalism Explored

Capitalism is one of the most analyzed economic systems in history – and for good reason. It didn’t emerge fully formed. It evolved through distinct stages, each reshaping how goods were produced, how wealth was accumulated, and how workers related to those who owned the means of production. Karl Marx’s Das Kapital remains the most systematic attempt to explain not just how capitalism functions, but why it functions that way – and what tensions are built into its very structure. Understanding these developmental stages and core economic functions is essential to grasping why modern economies look the way they do.

The roots of capitalism: merchant trade and early accumulation 🔗

Capitalism, in its modern form, traces back to agrarian capitalism and mercantilism in the early Renaissance, taking shape first in city-states like Florence, Venice, and Genoa. These cities pioneered financial instruments such as bills of exchange and early banking practices that enabled long-distance trade. But this was not capitalism as we know it. Merchants bought and sold goods across regions; they did not control how those goods were made. Weavers still owned their looms. Craftsmen still organized their own labor. The merchant stood between producer and market, profiting from price differences rather than from organizing production itself.

This phase – merchant capitalism – spanned roughly the 14th to 17th centuries. According to Marx, the “capitalistic era” dates from the 16th century, beginning with merchant capitalism and relatively small urban workshops. During this period, money emerged as a reliable medium of exchange, and significant capital began to accumulate in the hands of merchants and financiers. Crucially, however, production itself remained largely untouched. The social and technological organization of labor had not yet been remade in capitalism’s image.

Various Marxist thinkers have proposed periodizations of capitalism that distinguish agricultural capitalism, merchant capitalism, industrial capitalism, and state capitalism as successive stages – each defined by how production is organized, who controls capital, and how surplus value is extracted.

Industrial capitalism: when production is taken over by capital 🔗

The decisive turning point came with the Industrial Revolution of the 18th and 19th centuries. Industrial capitalism became possible through two developments: the accumulation of vast amounts of capital during the merchant phase, which was then invested in machinery, and the displacement of rural populations who had no access to subsistence agriculture and were compelled to sell their labor on the market.

This created the defining relationship of modern capitalism: the wage-labor system. Workers, stripped of independent means of production, had no choice but to sell their capacity to work – their labor power – to those who owned factories, machines, and raw materials. The capitalist mode of production proper, based on wage-labour, private ownership of the means of production, and industrial technology, began to grow rapidly in Western Europe from the Industrial Revolution, eventually extending across the globe.

During industrialization, industrialists replaced merchants as the dominant force in the capitalist system, dismantling traditional handicraft skills and guild structures. The factory system introduced a complex division of labor – workers no longer produced whole goods but performed fragmented, repetitive tasks within a larger production process controlled entirely by the capitalist.

Marx’s key distinction: formal versus real subsumption of labor 🔗

One of Marx’s most analytically powerful contributions is his distinction between two stages in how capital absorbs and transforms labor – formal subsumption and real subsumption. These concepts explain why industrial capitalism is qualitatively different from what came before, not just quantitatively bigger.

Formal subsumption 🔗

In the early stages of capitalist development, capital takes over existing labor processes largely as it finds them. The labor process becomes the instrument of capital’s self-valorization – the creation of surplus value – but the actual way work is done, the tools used, and the organization of tasks remain essentially unchanged from pre-capitalist times. A craftsman may now work for a capitalist employer rather than independently, but he uses the same techniques and tools as before. Marx calls this formal subsumption: capital has formally placed itself over labor without yet transforming the labor process itself.

Under formal subsumption, the primary method of extracting surplus value is through absolute surplus value – simply extending the working day. Surplus value can only be produced by extending labor time, since the basis is a pre-existing mode of labor with its given level of productive development. Capital extracts more from workers by making them work longer, not more efficiently.

Real subsumption 🔗

Real subsumption represents a complete revolution in the labor process itself. With the real subsumption of labor under capital, a complete revolution takes place in the mode of production itself, in the productivity of labor, and in the relationship between the capitalist and the worker. The factory system, machinery, and the minute division of labor are not simply tools workers use – they are systems designed by and for capital, restructuring how work happens at its most fundamental level.

Here, relative surplus value becomes the dominant form of extraction. Rather than working people longer, capital makes them more productive through technology and reorganization, reducing the time needed to reproduce a worker’s own subsistence – and thereby increasing the portion of the working day that generates profit for the capitalist. As Marx argued, machinery under capitalism is a means for producing surplus value – not primarily a tool for human liberation, but for increasing the portion of the working day given to the capitalist for nothing.

The economic functions of capitalism: what the system does 🔗

Beyond its stages of development, Marx identified several core economic functions that capitalism performs – and which simultaneously generate its structural contradictions.

Capital accumulation 🔗

Capital accumulation forms the basis of capitalism: economic activity is organized around investing money or financial assets with the aim of generating profit. Marx represented this as the circuit M → C → M’, where money (M) is invested in commodities and labor (C) to produce a commodity sold for more money (M’). The condition M’ > M is the fundamental logic driving every cycle of production. Capitalists are driven by an objective necessity imposed by competition – not simply by greed – to reinvest surplus value into expanded production. This is what Marx called accumulation for accumulation’s sake.

Commodity production and surplus value 🔗

The central argument of Das Kapital is that the motivating force of capitalism is the exploitation of labor, whose unpaid work is the ultimate source of surplus value and profit. Under capitalism, the worker’s labor power is sold as a commodity, but its use value – the ability to create new value – exceeds its exchange value (the wage paid). This gap is surplus value, appropriated by the capitalist when goods are sold.

Capitalists only pay workers the wage needed to reproduce their labor power, even though workers generate a higher value. This is the engine of profit, and it explains why the gigantic increase in wealth from the 19th century onwards was driven by competitive striving to extract maximum surplus value from labor, resulting in massive productivity gains and capital expansion.

Commodity fetishism and the critique of political economy 🔗

Marx didn’t just describe capitalism – he critiqued the economic theories that justified and obscured it. Classical political economy treated commodities and market prices as natural phenomena, hiding the social relations of production underneath them. The price of a coat, for instance, appears simply as a market fact. Marx showed it conceals a web of labor relations, power, and exploitation. He called this commodity fetishism: social relationships between people appear as relationships between things.

This critique extended to capital itself. Capitalist societies primarily produce not for human needs but for the sake of realizing exchange value – profit. Use value (whether something is useful) becomes subordinate to exchange value (what it can fetch on a market). Classical economists treated this as rational and natural; Marx insisted it was historically specific and socially constructed.

Monopoly capitalism and finance capitalism 🔗

As industrial capitalism matured, competitive pressures drove the concentration of capital into fewer and larger firms. Competition strengthens the tendency toward concentration of capital in large firms, and it is to neutralize competition that monopolies and cartels emerge. This gave rise to what later theorists called monopoly capitalism – a phase dominated by large corporations rather than competing small firms.

Rudolf Hilferding and later Lenin analyzed the fusion of industrial and banking capital into what Hilferding termed finance capitalism. Finance capitalism is the subordination of processes of production to the accumulation of money profits in a financial system. Banks and financial institutions began directing investment decisions, blurring the boundary between industrial and financial capital. Ernest Mandel distinguished three main historical stages of capitalism: freely competitive capitalism (roughly 1700-1870), monopoly capitalism, and late capitalism – each governed by a different configuration of technological development, competition, and capital accumulation.

The contradictions built into capitalism 🔗

Marx’s analysis was not merely descriptive. He argued that capitalism’s economic functions generate internal contradictions that no amount of reform can permanently resolve. The drive to accumulate leads to overproduction; the extraction of surplus value creates a working class that cannot fully afford to buy back what it produces; technological innovation raises productivity but also tends to reduce the rate of profit over time – what Marx called the tendency of the rate of profit to fall, one of the most debated propositions in economic theory.

Many Marxist political economists argue that the over-accumulation of capital since the 1970s – where too much money capital chases too few profitable productive investments – is central to understanding the financial crises of recent decades. Rather than being invested in productive industry, capital increasingly circulates in financial markets as what Marx called fictitious capital: money making money without grounding in actual production.

The mercantilist phase was not a failure but a developmental stage in which nation-states formed, industrialized, and became capable of building broader economic systems. Capitalism, in other words, was born developmental – and has been reshaping both societies and its own internal structure ever since.

What do you think? Marx argued that capitalism’s contradictions – between profit-driven production and human need, between wage labor and the wealth it generates – are structural, not accidental. Do you think these contradictions are resolvable within capitalism’s existing framework, or do they require a fundamentally different economic logic to overcome? And how do you see the shift from industrial production to financial and digital capitalism changing the basic relationships Marx identified?

References

1. https://en.wikipedia.org/wiki/Das_Kapital
2. https://en.wikipedia.org/wiki/History_of_capitalism
3. https://en.wikipedia.org/wiki/Capitalist_mode_of_production_(Marxist_theory)
4. https://en.wikipedia.org/wiki/Periodizations_of_capitalism
5. https://en.wikipedia.org/wiki/Capitalism
6. https://www.marxists.org/archive/marx/works/1864/economic/ch02a.htm
7. http://dictionary.marxismo.school/Formal%20and%20real%20subsumption%20of%20labor%20under%20capital
8. https://marxists.architexturez.net/archive/marx/works/1861/economic/ch37.htm
9. https://link.springer.com/content/pdf/10.1057/9781403938640_9
10. https://www.exploring-economics.org/en/orientation/marxist-political-economy/
11. https://en.wikipedia.org/wiki/Surplus_value
12. https://en.wikipedia.org/wiki/Commodity_(Marxism)
13. https://pages.mtu.edu/~rlstrick/rsvtxt/capital.html
14. https://en.wikipedia.org/wiki/Late_capitalism
15. https://www.bresserpereira.org.br/248-phases-of-capitalism.pdf