principles enhance decision$-$making in civil engineering projects, particularly in scenarios involving resource allocation, risk management, and infrastructure development? Analyzing various game theory models, such as the Prisoner's Dilemma and Nash Equilibrium, how do civil engineers apply these concepts to negotiate optimal outcomes amidst conflicting interests among stakeholders? Furthermore, what role does behavioral economics play in understanding human decision$-$making within the context of civil engineering projects? Exploring these intersections of game theory, behavioral economics, and civil engineering, what strategies and methodologies can be devised to address challenges like project scheduling, cost optimization, and sustainable development?