Breadcrumb Home Economics ECON 22003 ECON 22003: Principles of Microeconomics Download as PDF Program Economics Lecture Hours 3 Credits 3 ACTS Equivalent Course Number ECON 2203 A continuation of ECON 21003 (ECON 2103), including the behavior of decision makers in the economy, taxation, income distribution, and current economic problems. Prerequisites ECON 21003: Principles of Macroeconomics or departmental approval.