What type of resource refers to human effort in production, compensated as wages?

The type of resource that refers to human effort in production, compensated as wages, is labor. Labor encompasses the physical and mental efforts that individuals exert when they are involved in the production of goods and services.

When we consider the factors of production, labor is one of the four key components, alongside land, capital, and entrepreneurship. Labor represents the workforce's contribution to the economy, and individuals participating in the labor market provide their skills and services in exchange for wages. This exchange is fundamental to the functioning of modern economies, where labor is a crucial determinant of productivity and economic output.

In contrast, other factors of production like land involve natural resources and raw materials that are not of human origin, while capital refers to man-made tools, machinery, and buildings used in the production process. The term "resources" is broader and can refer to various types of inputs, including natural, human, and man-made resources, but it does not specifically denote human effort compensated as wages. Thus, labor is clearly defined as the correct answer for this question.