◆ THE ECONOMY
Firms & Markets
How firms produce and compete — costs, market structures, labor, and the factors of production.
82 articles
◆ THE COVER STORYThe Rental Price of Capital: How Interest Rates Decide What Gets BuiltThe interest rate is the rent on capital. Here is the net-present-value logic firms use to decide what to build, and why the Fed's moves reach every project.Read the breakdown →Deep Dives
◆ THE FIRM & PRODUCTION
Returns to Scale: What Happens When You Double Everything in a Production Process
Double every input — does output double, more than double, or less? Returns to scale answers that, and it explains why some industries have giants and others…
◆ 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.
◆ 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.
◆ FACTOR MARKETS
Land and Economic Rent: Why Location Commands a Price Nobody Earned
Economic rent is the payment to a factor in fixed supply - classically land. Here is Ricardo's theory, the Henry George land tax, and why location pays.
◆ LABOR ECONOMICS
Human Capital: The Framework That Treats Skills and Education as Investment
Human capital is the idea that your skills and knowledge are an asset you invest in — with costs, returns, and depreciation. Treat your career as a portfolio.
◆ THE FIRM & PRODUCTION
Marginal Product of Labor: The Number Behind Every Hiring Decision
One more worker, one real number: learn how marginal product of labor tells a firm exactly when to hire, when to stop, and what a worker is actually worth.
◆ FACTOR MARKETS
Profit, Uncertainty, and Why Entrepreneurs Earn What They Earn
Schumpeter saw the entrepreneur as capitalism's engine. Knight explained why they earn profit. Together they answer what economics struggled with for a century.
◆ COMPETITION & MONOPOLY
The Price on the Tag Is Not the Same for Everyone
Student discounts, airline fares, and bulk pricing are the same strategy: charging different buyers different prices for one good. Here is how it works.
Quick Answers
Collusion and Cartels: When Competitors Act Like a Monopoly
Collusion occurs when competing firms coordinate on prices, output, or market allocation to raise profits above competitive levels.
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 →Monopsony: When One Buyer Controls the Labor Market
Monopsony is a market with a single buyer of labor — or more broadly, a situation where employers have enough wage-setting power to pay workers less than…
Read more →What Is Monopolistic Competition? The Market Structure Most Businesses Actually Live In
Monopolistic competition is where most real businesses operate: many sellers, easy entry, but each offering something a little different. Here is how it works.
Read more →The Short Run vs. Long Run: The Most Important Time Distinction in Economics
The short run is the period when at least one input is fixed. The long run is when all inputs are variable.
Read more →What Is a Firm? The Economic Unit That Turns Inputs Into Output
A firm is an organization that buys inputs, transforms them into output, and sells the result.
Read more →The Network Effect: Why Some Products Become More Valuable as They Grow
Network effects occur when a product's value increases as more people use it. They are the primary driver of winner-take-all market dynamics in technology,…
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.
Read more →Long-Run Equilibrium: Where Competition Eventually Takes Every Market
Long-run equilibrium is the state a competitive market reaches after all entry and exit adjustments are complete.
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