International experience demonstrates both the effectiveness and difficulties of using the mechanism of a public–private partnership (PPP) in solving socially significant problems of investment development of an innovative economy. The lack of tools to make an informed choice of the best PPP model in terms of the risks diversification is one of the significant problems of the predictive and analytical support of the relationship between business and government structures. The purpose of the study is to create and empirically test a multi-criteria modeling toolkit for the choice of the public–private partnership mechanism in relation to managing territorial sustainable development projects. Such problems as a structural representation of PPP risk factors and development of principles for their diversification, development of the algorithm and criteria for multi-criteria evaluation, testing of a multi-criteria model needed to be solved to achieve the research goal. The innovativeness of the author’s approach consists in substantiating the algorithm of the multi-criteria modeling for the choice of the public–private partnership mechanism in relation to managing sustainable development projects of the territory. Criteria for alternative PPP models evaluating have been developed. Based on the results of testing, the advantages and disadvantages of applying the algorithm of the multi-criteria modeling in sustainable development management are identified, the directions for the model using in regional management are disclosed.

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The article explores the problem of assessing the scientific and technological progress (STP) parameter in the exogenous economic growth model in the context of modern innovative digital transformation of the economy. The aim of the study is to develop and empirically verify an econometric model for an integrated assessment of the degree of economic agents’ innovative activity influence on the gross regional product. In accordance with the set goal, a methodologically triune (resource-management-resultant) approach to identifying the STP parameter and the corresponding system of economic agents’ innovative activity indicators of the factors are substantiated, an integral-estimated four-module economic mathematical model is proposed and tested. The results of the model testing make it possible to recommend an econometric approach for application in order to analyze and evaluate the scientific and technological progress parameter in innovative spatial economic development trajectories study.

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