An urban planner, infinite scroll, and … what is a public good?

What It Covers

The Indicator quiz episode tests urban planner Jim Umbock on six months of economics coverage, covering public goods theory, dementia financial warning signs, merchant cash advances, GLP-1 employer coverage, and Pokemon card valuations.

Key Questions Answered

• •Public Goods Definition: A true public good must be both nonexcludable and nonrivalrous — meaning usage by one person does not diminish availability for others. GPS qualifies; despite minor processing demands, it remains the textbook example of a nonrivalrous, broadly accessible public good.
• •Dementia Early Warning: Missed bill payments can signal cognitive decline years before a formal dementia diagnosis. Monitoring financial behavior in aging loved ones — specifically recurring payment lapses — may provide earlier intervention opportunities than waiting for medical symptoms to appear.
• •Merchant Cash Advances: Small businesses facing import tariff pressure have turned to merchant cash advances, largely unregulated short-term loans carrying interest rates as high as 300%. Business owners should exhaust conventional financing options before considering MCAs given their extreme cost burden.
• •GLP-1 Employer Coverage: Only 20% of employers currently cover GLP-1 medications like Ozempic for weight loss, despite employer interest in reducing long-term obesity-related healthcare costs. Workers seeking coverage should directly review benefits documentation or negotiate during open enrollment periods.