There are indeed monopoly in this world

There are indeed monopoly in this world, Buffett said that a moat is the competitiveness of a business economy. Most companies have many competitors because a profitable industry attracts competitors to join in for a piece of the pie.

Why is TSMC’s profit margin much greater than competitors?

Why is TSMC’s profit margin much greater than competitors?

The lucrative semiconductor supply chain

The lucrative semiconductor supply chain

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