But it noted that the central bank had not formulated any position on whether the banks were an oligopoly. Israel's government has said it intends to pass a law requiring banks to pay interest on ...

but it actually is legal collusion. So there are two separate lines of attack that are gonna have to be used legally in order to break up this corporate oligopoly. Okay? Line number one is going ...

Recurring themes in past A level microeconomics are oligopoly, collusion, price discrimination. This article and proposed questions are great practice for revision.