JEL code L
Industrial organisation
How do firms compete, and when does market power need regulating?
Emerged 1933
Edward Chamberlin and Joan Robinson each published a book on competition between firms with some power over their prices, between perfect competition and monopoly.
SourceHistory of Economic Thought website: Edward H. Chamberlin (opens in a new tab)
An example
Jean Tirole's work on regulating powerful firms (Nobel 2014) underpins debates about tech platforms and the EU's Digital Markets Act.