Public Finance

10 lessons in this hub.

Learn how governments weigh policies in dollars — valuation, discounting, and the controversies of pricing the priceless.

Learn why governments fund education — human capital vs. signaling — and what the evidence says actually improves learning.

Learn how governments budget — deficits vs. debt, sustainability arithmetic, and the fiscal rules meant to discipline it all.

Learn the market failures unique to health — asymmetric information, moral hazard, adverse selection — and compare system designs.

Learn what the Laffer curve actually says — the revenue-maximizing rate, the evidence, and its political misuse.

Learn to measure tax progressivity — rates, burdens, and the full system — and debate the right level of progression.

Learn why governments tax, spend, and borrow — market failures, the functions of government, and the field's big questions.

Learn how pay-as-you-go pensions work, why aging strains them, and the reform menu — illustrated by the US system.

Learn that legal liability isn't economic burden — how taxes shift through prices depending on elasticities.

Learn the framework behind all policy evaluation — Pareto efficiency, the welfare theorems, and social welfare functions.