What are the three types of productive resources?

1. Natural resources: These are resources that exist in the natural environment and are used in the production of goods and services. Examples include land, water, minerals, and forests.

2. Human resources: This refers to the labor, skills, and knowledge of individuals that are used in the production process. Human resources can include employees, managers, and entrepreneurs.

3. Capital resources: Capital resources are man-made goods that are used to produce other goods and services. This can include buildings, machinery, tools, and technology.