Why Tech Firms Flock To Expensive Cities

Have you ever realized 

Why tech firms flock to expensive cities?

You will find a cluster of buildings 

For example- silicon valley, new york city west side, Bangalore, Gurugram

It seems like everyone in tech wants to build their office in a particular zone

There is a reason that most of the major big tech brand platforms are based in a few places

They wanna be near each other and they wanna be near some of the same resources 

I went through many sites and I found

The main reason is an agglomeration 

Agglomeration is the tendency of economic activity to gather, or cluster, or clump together.

It happens because there are often benefits to businesses, workers, and institutions being close to each other.

The clustering can build up an economy

The reason they occur is that when you draw people together they learn from each other.

A big agglomeration of saying high tech economic activity is simply going to be more productive and more competitive than others