Choices are fundamental to economic growth because finite resources require individuals, firms, and governments to make trade-offs about how to allocate them for present vs. future consumption, investment, innovation, and human capital development. Endogenous growth theory specifically connects these choices—such as investment in education, research and development—to the economy’s aggregate growth rate. These decisions, made in a context of scarcity and often involving trade-offs with opportunity costs, ultimately determine the long-term trajectory and sustainability of economic growth.Â