Schools brief | Six big ideas

Coase’s theory of the firm

If markets are so good at directing resources, why do companies exist? The first in our series on big economic ideas

ONE morning, an economist went to buy a shirt. The one he chose was a marvel of global production. It was made in Malaysia using German machines. The cloth was woven from Indian cotton grown from seeds developed in America. The collar lining came from Brazil; the artificial fibre from Portugal. Millions of shirts of every size and colour are sold every day, writes Paul Seabright, the shirt-buying economist, in his 2004 book, “The Company of Strangers”. No authority is in charge. The firms that make up the many links in the chain that supplied his shirt had merely obeyed market prices.

This article appeared in the Schools brief section of the print edition under the headline “Coase call”

How to deal with Venezuela

From the July 29th 2017 edition

Discover stories from this section and more in the list of contents

Explore the edition

Discover more

A computer covered in hazard tape.

AI needs regulation, but what kind, and how much?

Different countries are taking different approaches to regulating artificial intelligence

A toolbox filled with regular tools and speech bubbles.

LLMs will transform medicine, media and more

But not without a helping (human) hand


A flamme under a container diffusing letters turned into a speech bubble.

How AI models are getting smarter

Deep neural networks are learning diffusion and other tricks


The race is on to control the global supply chain for AI chips

The focus is no longer just on faster chips, but on more chips clustered together

A short history of AI

In the first of six weekly briefs, we ask how AI overcame decades of underdelivering