PPP
From Longman Dictionary of Contemporary EnglishPPPPPP /ˌpiː piː ˈpiː/ noun [uncountable] (public-private partnership) a system of providing money for transport systems, hospitals, schools etc where the government pays some money and private investors provide the rest of itFrom Longman Business DictionaryPPPPPP FINANCEwritten abbreviation for PURCHASING POWER PARITY