Household finance is the academic field dedicated to studying how individuals and households acquire, manage, and utilize financial resources across their life course. It examines decision-making processes related to saving, borrowing, investing, insurance, and budgeting, analyzing their determinants, outcomes, and implications for household economic well-being and aggregate economic phenomena. This interdisciplinary field often integrates principles from economics, psychology, sociology, and behavioral science to understand the complexities of financial behavior at the micro level.