Consider two sets of death rates by age for two imaginary countries, Syldavia (S) and Borduria (B), as in Figure 15-1.

In a competitive market, a refusal to supply QWI with Y-bar would not have prevented QWI from becoming a manufacturer or wholesaler of star pickets. […] Refusing supply, unconstrained by the possibility that supply could be obtained from a competitor, for the purpose of preventing QWI from becoming a manufacturer or wholesaler of star pickets was an exercise of market power.

That geezer knocked out his bloody Hampsteads, he did!

Aristotle makes [Fire] to move to the concave of the Moon. - Thomas Salusbury (1661).