Investment in both physical and human capital tends to enhance economic growth because it generally

enhances productivity

Explanation: In simple words, productivity refers to the willingness and ability of an individual or an entity to produce something with the given level of resources.

When there comes the investment in both physical and human capital their sources enhances which leads to the enhancement of both willingness and ability. Thus, leading to better productivity.

answer; comparing the additional benefits and costs;

answerorganizational language;