Microeconomics Elasticity in Economics: The Four Measures and How to Use Them Elasticity in economics measures how strongly markets respond to changes in price, income, or related prices. Explains all five elasticities,... May 26, 2026
Central Banking Repo Market Standing Repo Facility: September 2019 Spike The September 2019 SOFR spike revealed how brittle US money market plumbing had become. The Standing Repo Facility, launched in... May 25, 2026
Central Banking Dot Plot FOMC: Decoding the Summary of Economic Projections The FOMC dot plot is the most-cited chart in monetary policy. Reading it well requires looking past the median to... May 25, 2026
Central Banking Forward Guidance Frameworks: From Open-Mouth Operations to Date-Based Pledges Forward guidance is how central banks move long-term interest rates by managing expectations. From qualitative language to date-based pledges, the... May 25, 2026
Central Banking Average Inflation Targeting: How the Fed Replaced Strict 2 Percent in 2020 Average inflation targeting is the framework the Fed adopted in 2020 to address persistent inflation undershoots and the lower-bound constraint.... May 25, 2026
Central Banking Neutral Rate of Interest: r-star and What It Means for Policy The neutral rate of interest r-star is the unobservable benchmark that defines monetary policy stance. Estimates span 170 basis points,... May 25, 2026
Microeconomics Missing Markets Economics: When Prices Fail to Exist Missing markets economics studies the trades that never happen. When information, property rights, or excludability fail, no price emerges and... May 24, 2026
Microeconomics Positive Externality Diagram: Subsidies and Underproduction The positive externality diagram shows how markets underproduce vaccinations, education, and research, and how a per-unit subsidy at marginal external... May 24, 2026
Microeconomics Negative Externality Diagram: Taxes and Welfare Loss The negative externality diagram shows how a Pigouvian tax set at marginal external cost shifts supply to MSC, eliminating the... May 24, 2026
Microeconomics Private Cost and Social Cost: Externality Curves Explained Private cost is what firms pay; social cost adds the spillovers they ignore. The MPC, MSC, and MSB curves explain... May 24, 2026