Fusion: Practice and Applications FPA 2692-4048 2770-0070 10.54216/FPA https://www.americaspg.com/journals/show/2218 2018 2018 Fusion-Based Econometric Analysis: Assessing Investment Project Efficacy and Business Decision Making Tashkent State University of Economics, Uzbekistan Muhammad Eid Balbaa International Islamic Academy of Uzbekistan, Tashkent, Uzbekistan Astanakulov O. Tashtemirovich In this fusion-driven study, a comprehensive examination of investment projects' effectiveness in the unique economic context of Uzbekistan unfolds, employing econometric analysis to unveil the consequential relationship between economic indicators and business performance. The research employs a confluence of descriptive statistics, panel data regression models, and time-series analysis to unravel the intricate correlation matrix that binds various dimensions of investment outcomes within the country's distinct economic climate. Emphasizing the singular nature of the Uzbek economic environment, the study aims to provide a granular understanding of investment efficacy, offering strategic insights to guide economic policymakers and entrepreneurs in making informed decisions. Notably, Uzbekistan witnessed $2.5 billion in foreign direct investment inflows in 2022, making the knowledge gained from this detailed investigation particularly valuable. Set against the backdrop of a complex macro and micro-economic landscape, characterized by abundant natural resources, and pressing developmental challenges, the dynamic interplay between investment efficacy and diverse influencing factors comes to the fore. As a result, the study envisions its insights contributing to the formulation of strategies that harness Uzbekistan's investment climate potential, ultimately driving economic development and fostering business growth. 2023 2023 145 155 10.54216/FPA.130213 https://www.americaspg.com/articleinfo/3/show/2218