◆ THE ECONOMY
Firms & Markets
How firms produce and compete — costs, market structures, labor, and the factors of production.
82 articles
◆ THE COVER STORYThe Shutdown Condition: When Stopping Is Smarter Than ContinuingThe shutdown condition tells a firm when it loses less money by halting production than by continuing.Read the breakdown →Deep Dives
◆ IMPERFECT COMPETITION
Short-Run Profit, Long-Run Erosion: What Happens When Rivals Enter Your Market
In monopolistic competition, profit attracts entry, and entry competes the profit away. Follow the chain from a hot launch to the day profit hits zero.
◆ IMPERFECT COMPETITION
Game Theory: How to Think When Someone Else Is Thinking Back
Game theory is the study of decisions where your best move depends on what someone else does. Here is the logic, worked through.
◆ LABOR ECONOMICS
Minimum Wage and Unions: What the Economics of Labor Market Intervention Actually Says
The minimum wage and unions both intervene in the labor market. The economics is more contested than either side admits — what the evidence and CBO show.
◆ IMPERFECT COMPETITION
Nash Equilibrium: How Strategic Thinking Changed the Way Economists Model Markets
A Nash equilibrium is a stable point where no player can do better by changing strategy alone.
◆ LABOR ECONOMICS
What Determines Your Wage: Productivity, Scarcity, and the MRP Framework
Your wage is not set by what you need or deserve. It tracks marginal revenue product — what one more hour of work adds to employer revenue. Here is the math.
◆ LABOR ECONOMICS
Wage Differentials, by the Numbers: Why Pay Varies So Dramatically Across Jobs
Median pay runs from about $30,000 to over $200,000 across occupations. The BLS numbers reveal why — skill, scarcity, and the differentials that price danger.
◆ COMPETITION & MONOPOLY
Should You Shut Down or Exit? The Economics of When to Stop Producing
Losing money doesn't always mean stop. Economics splits idling temporarily from leaving for good — and the deciding number isn't the one most people watch.
◆ COMPETITION & MONOPOLY
How Monopolies Form and Survive: The Economics of Market Control
Monopolies aren't born from being biggest — they're built and defended by barriers that keep rivals out. The main ways control forms, and how it's policed.
◆ COMPETITION & MONOPOLY
How a Monopolist Sets Its Price: Less Output, Higher Cost
A monopolist raises prices by producing less, not by charging more for the same output. Here is the arithmetic behind why.
Quick Answers
Natural Monopoly: When One Firm Really Can Do It Cheaper
A natural monopoly exists when one firm can supply the entire market at lower cost than two or more competing firms.
Read more →Signaling and Screening: How Markets Handle Hidden Information
Signaling is when an informed party communicates their type to an uninformed party. Screening is when the uninformed party designs mechanisms to reveal the…
Read more →Sunk Cost: Why Past Spending Shouldn't Drive Future Decisions
A sunk cost is a cost already incurred that cannot be recovered. Rational decision-making ignores sunk costs — only future costs and benefits are relevant to…
Read more →Price Leadership: How Oligopolies Coordinate Without Colluding
Price leadership is an implicit coordination mechanism in oligopoly where one firm — typically the dominant player — sets price and rivals follow.
Read more →Minimum Wage: The Wage Floor and Its Effects
The minimum wage is a legally mandated floor on wages that employers must pay workers. It protects workers from poverty wages but may reduce employment in…
Read more →Economies of Scale: Why Getting Bigger Sometimes Means Getting Cheaper
Economies of scale occur when long-run average cost falls as output increases. They are the economic engine of industrial concentration — and when they're…
Read more →Physical vs. Financial Capital: Two Things Called "Capital" That Aren't the Same
Physical capital is produced equipment and infrastructure used in production. Financial capital is money used to fund investment.
Read more →Barriers to Entry: What Keeps Competitors Out of Profitable Markets
Barriers to entry are factors that prevent new competitors from entering a profitable market.
Read more →Explicit vs. Implicit Costs: The Full Picture of What a Business Really Costs
Explicit costs are the cash payments a firm makes; implicit costs are the opportunity costs of resources the firm owns.
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