About Legalization the Definition “Investment”

Introduction. The article deals with issues of the concept of “investment” in economic and legal theory, in the legislation and law practice in order to identify effective legal regulation of relations arising in this area. It should be noted that investment legislation is a complex structured system of the acts with different purposes, content and regulation methods. It is also shown that there aren’t only acts of different levels and different legal force (acts of an international acts, national acts, as well as subordinate normative acts), but also of a different legal nature. For this reasons there aren’t universal legal definitions of such concepts as “investment”, “investment activity”, “investor”, “investment agreement”, which are the basic categories for all areas of investment activity.Methodology. The research methods are general scientific and private legal: analysis and synthesis, induction and deduction, systemic, logical, dialectical, structural and functional, formal legal, comparative legal methods and others. The research aims to investigate the problems related to the content of the concept of “investment”. It analyzes academic literature and investment legislation on this sphere, investigates, describes different approaches to the definition “investment”.