Sources of Economic Growth

1. Physical capital growth
2. Human capital growth
• (e.g.) Investment in human capital to boost literacy and technical skills.
3. Technological advances
• (e.g.) Discovery of new technologies to increase productivity.

Increasing consumption through population growth, including immigration, does NOTnecessarily lead to economic growth.

взято здесь http://cfaglossary.blogspot.ru/2011/05/economic-growth-three-sources.html