Abstract: The purpose of this article is to study a new methodology for the system of
guaranteeing investments in the social sphere of regions. Here the authors emphasize that social
investments are important for economic development and improving the well-being of the
population. The article presents new and important models and methods for managing investments
in the social sphere, in particular, a comprehensive analysis of the construction of parametric and
dynamic models. The article considers various nuances of the formation and development of the
system of guaranteeing investments in the social sphere. It should be noted that the decisive role in
this process is played by the economic policy of the state, macroeconomic indicators of
development, the level of participation of the private sector. It should also be emphasized that the
presented new methodological approaches for the systematic and targeted implementation of
investments in the social sphere of regions are aimed at solving existing problems in this area. The
main topics of the article are investment optimization, expansion of public-private cooperation and
creation of monitoring systems. The study emphasizes the importance of innovative approaches and
strategic management methods for the effective implementation of social investment policies. It
shows that government support, tax incentives and the use of digital technologies can play an
important role in this process. The article concludes with specific recommendations for increasing
and improving the effectiveness of investments aimed at social development of regions.
Keywords: region, social sphere, investment guarantee system, parametric model