This guide curates underrated or easily-confused economic concepts and ties them to crisp definitions, examples, and historical context. Use it as a hub: browse, compare, and then dive into focused essays.

Essentials from this site

Concept clusters to expand (roadmap)

  • Measurement and gaming: Goodhart’s vs. Campbell’s Law
  • Money flows and distribution: Cantillon effect
  • Currency dynamics: Gresham’s vs. Thiers’ Law
  • Externalities of rules: Bootleggers and Baptists; Regulatory capture
  • Risk and information: Adverse selection vs. Moral hazard; Market for Lemons
  • Productivity puzzles: Baumol cost disease; Jevons paradox; O‑Ring theory
  • Political economy: Public choice; Principal–agent problems

How to read these ideas

  1. Start from the definition (one sentence). 2) Learn the failure mode (how it misleads). 3) Save a canonical example. 4) Contrast with a near‑neighbor concept. 5) Apply to a current policy or market case.

FAQ (to be expanded)

  • Are these “heterodox”? Many are mainstream but under‑taught; the lens is pragmatic: incentives → behavior → aggregate outcomes.
  • Where are the math models? When useful. Most insight comes from institutional details and selection effects.