379 articles on personal finance, investing, and the economy: filter by topic, sort, or search for the one you came for.

A Pigouvian subsidy is a payment to producers or consumers of goods with positive externalities, set equal to the marginal external benefit.

An emergency fund is the foundation of every financial plan — the buffer that keeps one bad month from becoming a financial crisis. Here's exactly how to build one.

U.S. health spending hit $5.3 trillion in 2024. Three features break the standard market: asymmetric information, third-party payment, and inelastic demand.

Tariffs announce themselves. Quotas, standards, and red tape don't, and that invisibility is exactly what makes them so effective and so costly.

The best economics books for people who never took the class — accessible guides from Wheelan and Sowell, plus Freakonomics and the source texts from Smith and Friedman.

A monopolist raises prices by producing less, not by charging more for the same output. Here is the arithmetic behind why.

The increase in the general price level of goods and services over time, reducing purchasing power. Understanding inflation is critical for financial planning.

Normal goods see demand rise when income rises; inferior goods see demand fall. The distinction reveals how consumption patterns shift as living standards…

A budget constraint shows all the combinations of goods a consumer can afford given their income and prices.

The belief that advertising only manipulates is incomplete. Economists find it also carries real information, signals quality, and can sharpen competition.

Economic profit subtracts opportunity cost - including what your money and time could have earned elsewhere. Here is why it differs from accounting profit.

Headline inflation hit 4.2% in May 2026; core sat at 2.9%. Here is why they split, and which one belongs on your radar.

A savings strategy where automatic transfers to savings happen immediately upon income arrival.

Tax incidence describes the economic burden of a tax — who actually bears the cost, which may differ from who is legally required to pay it.

Stocks are ownership. Bonds are loans. Funds bundle both. Here's how each works, why the tradeoff matters, and what most people should actually hold.

Marginal analysis compares the additional benefit and additional cost of one more unit of an action.

The Gini coefficient compresses a whole income distribution into one number between 0 and 1. Here's what it measures, how to compute it, and where it misleads.