Human capital and capital goods influence a nation's GDP in the following ways: 1) Countries that invest in the education, health, and training of their workforce (human capital) will have a more productive workforce that can produce more goods and services. 2) The production of capital goods, which are products that have value like tractors and computers, contributes to a nation's GDP. 3) When a nation effectively invests in both human capital and the production of capital goods, it leads to greater technological advancement, more efficient use of resources, and increased production of final goods and services - all of which raise a country's GDP.