Thus, LP can be explained if the US had a strong consumption bias toward the capital-intensive goods. If there were a consumption bias in the US, the bias must have been toward the labor-intensive good. Therefore, consumption bias would reinforce the HO prediction that US would import labor-intensive goods. Another factor that may be taken into account in evaluating LP is human capital. The idea is simple.
Human capital is created by education.
Education, like investment in physical capital, requires time and uses up resources. First, the US is abundant in skilled labor. The US may have been exporting skilled labor-intensive goods. Skill is labor-augmenting. Leontief did not include the value of human capital in his calculations.