Public-private partnership
Overview
Public–private partnership (PPP) describes a government service or private business venture which is funded and operated through a partnership of government and one or more private sector
Private sector
In economics, the private sector is that part of the economy, sometimes referred to as the citizen sector, which is run by private individuals or groups, usually as a means of enterprise for profit, and is not controlled by the state...

 companies. These schemes are sometimes referred to as PPP, P3 or P3.

PPP involves a contract between a public sector
Public sector
The public sector, sometimes referred to as the state sector, is a part of the state that deals with either the production, delivery and allocation of goods and services by and for the government or its citizens, whether national, regional or local/municipal.Examples of public sector activity range...

 authority and a private party, in which the private party provides a public service or project and assumes substantial financial, technical and operational risk in the project.
 
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