Mankiw · Principles of Economics
See the model move.
A dark, precise workbench for the graphs that carry introductory microeconomics. Move a slider, drag a point, and watch the math — and the welfare accounting — respond in real time.
- Modules
- 04
- Math tests
- 81
- NaN tolerance
- zero
Curriculum
Four models, one workbench
Each module is built from the canonical textbook figure, then extended with the controls that make the mechanism visible.
01Live
Production Possibilities Frontier
Trade-offs, opportunity cost, and the law of increasing cost. Drag a point through feasible, efficient, and unattainable space.
MRTEfficiencyGrowth
02Live
Supply & Demand
Equilibrium, surplus, shortage, and exogenous shocks in the market for ice-cream cones.
EquilibriumShiftsElasticity
03Live
Consumer & Producer Surplus
Willingness to pay, cost, total welfare, and the deadweight loss of restricting output.
CSPSDWL
04Live
Taxes & Deadweight Loss
Tax wedges, incidence, quadratic DWL, and the Laffer curve — with elasticity controls.
WedgeIncidenceLaffer