Contractual PPP teachings and scientific approaches to their classifications

This article describes in more detail a number of types of Public Private Partnership agreements, hereinafter PPPs, used within the definition of types and types of definition of PPPs. Particular emphasis is placed on the description of some common terminology used around the world to describe PPPs. The general interpretation of some types of contacts is possible in this article in different ways, namely, it includes a number of types of contracts that can be described in different ways. There is no standard, internationally recognized definition of PPP, and different jurisdictions use different nomenclatures to describe similar projects.