Financial decision-making is the academic field dedicated to understanding the processes, factors, and consequences associated with choices made by individuals, households, firms, and institutions regarding the acquisition, allocation, and management of financial resources. This research area investigates the complex interplay of cognitive biases, psychological heuristics, economic constraints, and environmental influences that shape financial behaviors and outcomes, encompassing topics such as investment choices, savings patterns, debt management, and risk tolerance. Its significance lies in providing theoretical frameworks and empirical evidence essential for explaining economic phenomena, guiding financial planning, developing effective financial regulations, and promoting financial literacy across various contexts.