Final answer:
Technology is a fundamental determinant of growth, although human capital and physical capital also play critical roles. Technology drives U.S. economic growth by introducing efficiencies and new production methods, while human and physical capital are necessary to support and advance technological innovations. so, option a is the correct answer.
Step-by-step explanation:
The fundamental determinant of growth you've asked about is particularly tied to how factors like technology, human capital, and physical capital contribute to economic expansion. Among these, technology typically holds a pivotal role as it serves as the primary engine for U.S. economic growth. Technological advancements introduce new methods of production and efficiencies that are crucial for economic progression.
However, to achieve substantial growth, there is a need for an amalgamation of factors. Human capital, characterized by an educated and skilled workforce, is essential for fostering technological innovation, which further requires investment in physical capital. This synergy amplifies the impact of technology, as new technological equipment often demands additional training, thereby enhancing human capital. To maximize economic growth, an economy requires a harmonious blend of technology, human capital, and physical capital, as part of the aggregate production function.