This course is designed to engage students in trying to think of what situations call for the introduction, removal, or revision of existing policies and what principles guide such calls to action – in short: Problem Solving. Justifications for policy can be thought of the desire to increase or decrease the amount of something or to perhaps make something less expensive or more expensive. The first part of the course will go over such fundamentals of supply and demand. The second part of the course will focus on ways that policy interventions can achieve the initial goals set out by those seeking policy interventions. Next, the policy making process and the multiple objectives that must be addressed during this process will be discussed. The final portion involves groups working together to address a real-world policy issue. No preference is granted to any particular type of policy (health, social, environmental, urban, international, economic) or political process, as the focus will be on broad concepts and tools applicable to the justification, analysis, and design within any policy field.