Platform Economy

A traditional shop baked its own bread or bought goods from a factory, then displayed them in the store to sell. It needed a big warehouse to stack the goods and a lot of staff to manage them. Growing the business took huge amounts of money and time.

A platform company, on the other hand, doesn't stack products in its own warehouse or build a giant factory. Instead, it polishes an online marketplace where buyers and sellers meet, so each side can easily find the other. It helps trades flow smoothly in a virtual town square: the smartphone app.

That is why a world-famous lodging marketplace app owns almost no hotel buildings, and a giant ride-hailing company owns no taxis. Instead of owning physical assets, they focus on managing the connections between people.

The biggest appeal of a platform is that its value grows along with its users. When a food delivery app has more great restaurants, more customers come to order. And when customers grow, even more restaurants line up to join. A happy cycle begins.

Economists call this snowball effect the network effect. Building the early system costs money. But once a platform takes hold, adding one more user costs almost nothing, whether it has a hundred users or ten million. That is how it can grow faster than you would imagine.

This same trait can also let the number one company take the whole market. Buyers and sellers both stay on the platform with the most people, and they get locked in, finding it hard to move elsewhere.

The platform economy did not remove every middleman cost. The tangled chain of distribution got shorter, but the platform itself can become a giant middleman that pulls the strings of the market. It may charge excessive fees or adjust search rankings at its own discretion.

The way people are employed has changed too. Delivery drivers and freelancers who get work through a platform are treated like independent business owners, not full-time employees. They can work whatever hours they like. But the right to rest when they are hurt, and their social safety net, are often weaker than a full-time employee's. That is why Korea has been adding protections, such as extending industrial accident insurance and employment insurance to these workers.

In the end, the platform economy is an innovation that made trading wonderfully convenient. But it also hands society two homework problems at once: how to stop unfair trade caused by monopolies, and how to protect a new kind of worker.