◆ FIRMS & MARKETS
The Firm & Production
Production functions, the short and long run, cost curves, and economies of scale.
25 articles
FeaturedLong-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.
Read more →Deep Dives
9 articles
◆ THE FIRM & PRODUCTION
The Tenth Cook Changes Nothing: How Production Functions Explain Every Output Limit You'll Ever Hit
A production function maps inputs to maximum output. It explains why the tenth worker adds less than the first and where real productivity growth comes from.
◆ 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.
◆ THE FIRM & PRODUCTION
Short Run, Long Run: Why the Same Firm Acts Completely Differently Over Time
One question unlocks how any firm responds to a demand shock: which inputs can it actually change right now? The answer is never the same twice.
◆ 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…
◆ THE FIRM & PRODUCTION
Fixed Costs, Variable Costs, and Why the Split Runs the Whole Show
Fixed costs don't move with output; variable costs do. That one split explains pricing, break-even, and why bigger runs cost less per unit.
◆ THE FIRM & PRODUCTION
Average Cost vs. Marginal Cost: The Two Numbers That Drive Every Output Decision
Average cost tells you how the business is doing. Marginal cost tells you what to do next. Confuse them and you leave real money on the table.
◆ THE FIRM & PRODUCTION
The U-Shaped Cost Curve: Two Forces Every Business Runs Between
Per-unit cost falls to a trough, then climbs again. That U isn't a textbook convention; it's two real forces taking turns running the show.
◆ THE FIRM & PRODUCTION
What Happens When a Company Doubles in Size? Economies and Diseconomies of Scale
Growing bigger can make every unit cheaper — until it doesn't. Economies of scale pull costs down as a firm expands; diseconomies push them back up.
◆ THE FIRM & PRODUCTION
The Money You've Already Spent Has Nothing to Do With Your Next Decision
Sunk costs are gone regardless of what you choose next. Here is why they keep driving decisions anyway, and the one question that fixes it.