Your Glasses Got Worse On Purpose

How an Italian orphan built a $27 billion monopoly that controls the brands, the stores, the lenses, and the insurance.

How to spot a monopoly - Works in Progress Magazine

Competition makes capitalism work. A new method for measuring it may be the holy grail of economic regulation.

For one thing, looking at concentration at a national level can obscure what’s going on at the local level.

Even when concentration does rise, it’s not always bad for competition.

10 Quirky Families That Still Rule the World

You’d never confuse them for the Rockefellers. But you also wouldn’t have curling without ’em.

Winner Takes it All: How Markets Favor the Few at the Expense of the Many

Markets tend to favor unequal distributions of market share and profits, with a few leaders emerging in any industry.Winner-take-all markets are hard to disrupt and suppress the entry of new players by locking in market share for leading players.

How Google got away with charging publishers more than anyone else

The DOJ wants to show Google can do this because it has a monopoly.