Statws C
Pwnc:
Datblygu economaidd
Ffynhonnell:
TermCymru
Enw, Benywaidd, Unigol
Contestability theory was developed in the early 1980s by the American economist Will Baumol, who recognised that monopoly providers do not need to be exposed to actual competition in order act competitively, but only the threat of competition.