The research “Monopolisation trend conditionality under modern economic conditions: a case study of road construction public procurement conjuncture” provides a multi-perspective in-depth description of the nature, the occurrence sources, the development features and the internal structuring specifics of modern monopolisation process, assessed through the prism of a an original case study, based on conjuncture data of the Latvian road construction public procurement market. The conducted research provides an example of modern econometrical method experimental application within a unified framework of market competition environment analysis for the purpose of conducting a quantitative monopolisation trend evaluation on an industry level. The research results may be defined as a system of complex outcomes, which proved to be applicable for both private market entities and public bodies in terms of investment/business activity strategic analysis for the former and policy/regulatory action planning for the latter.