The companies in a duopoly tend to compete against one another, reducing the chance of monopolistic market power. Visa and Mastercard are examples of a duopoly that dominates the payments industry ...

A similar theory applies to an oligopoly—when there are only a small number of sellers or, more similar still, a duopoly—where they are only two large sellers in a market. A simple example of ...

He pointed to the Boeing 737 Max as an example of the duopoly's negative impact. Kirby said building on the 737 model — which was first produced in the 1960s — instead of creating a new one ...

Similarly, shares of Dutch pharmaceutical giant Novo Nordisk A/S fell 4%. “This week is a prime (early) example of why biotech risk needs to be managed and why a Magnificent 7 approach to ...

When two firms dominate the supply of a valuable commodity in a capitalist system — a duopoly — the consumer loses. The same is true in a political system. Two firms dominate — Republicans and ...

The U.K.’s antitrust watchdog has moved to deepen its scrutiny of the Apple and Google mobile duopoly — kicking ... into additional areas including for example desktop devices and general ...

However, the proxy advisor duopoly has made a point of supporting more shareholder resolutions aligned with the ESG principles that many conservatives have recently placed in their crosshairs.

Holman Jenkins, Jr.’s conclusion in “What Duopoly Economics Tells Us About Politics” seems to be that we should get used to our lack of good choices (Business World, Oct. 14). He dismisses ...

Micah L. Sifry is the executive director of Civic Hall. He is the author of several books, including “Spoiling for a Fight: Third Party Politics in America” and “The Big Disconnect: Why the ...