EasyEcon

Micro track

From price theory foundations into consumer choice, firms, and games.

The micro catalog now opens with partial-equilibrium price theory and then steps into a more advanced wave on consumer theory, firm behavior, and strategic interaction. The same Marimo-first structure carries through both phases.

Price theory

Competitive equilibrium, taxes, controls, and elasticity.

Microeconomics Price theory Intermediate EasyEcon / Marimo

Intermediate price theory

Supply and Demand Equilibrium

Track how intercepts and shocks shift equilibrium price, quantity, and total surplus in a competitive market.

Competitive equilibrium, comparative statics, and surplus Open model
Microeconomics Price theory Intermediate EasyEcon / Marimo

Intermediate price theory

Per-Unit Tax Incidence

See how a per-unit tax alters prices on both sides of the market and divides the burden between buyers and sellers.

Buyer burden, seller burden, revenue, and deadweight loss Open model
Microeconomics Price theory Intermediate EasyEcon / Marimo

Intermediate price theory

Price Ceilings and Price Floors

Switch between ceilings and floors to see when the policy binds, how traded quantity changes, and where welfare losses come from.

Binding vs non-binding controls and market imbalance Open model
Microeconomics Price theory Intermediate EasyEcon / Marimo

Intermediate price theory

Elasticity and Tax Incidence

Compare how buyer and seller tax shares move as demand or supply becomes more or less elastic.

Elasticity, tax burden shares, and sensitivity analysis Open model
Microeconomics Price theory Intermediate Native JS

Intermediate price theory

Externalities and the Pigouvian Tax

See why a market with an external cost or benefit misses the social optimum, and tune a corrective tax or subsidy until the deadweight loss disappears.

Private vs social cost, the deadweight-loss triangle, and the Pigouvian fix Open model

Advanced wave

Optimization and strategy for upper-undergraduate microeconomics.

Microeconomics Consumer theory Advanced EasyEcon / Marimo

Advanced microeconomics

Consumer Choice and Indifference Curves

Adjust tastes, prices, and income to compare interior and corner solutions, then track how optimal bundles and indirect utility move.

Budget lines, tangency, and demand response Open model
Microeconomics Firm theory Advanced EasyEcon / Marimo

Advanced microeconomics

Competitive Firm and Cost Curves

Move productivity, fixed costs, and output prices to see how marginal cost, average cost, and profit-maximizing output respond.

Marginal cost, shutdown condition, and firm supply Open model
Microeconomics Firm theory Intermediate Native JS

Intermediate firm theory

Monopoly and Deadweight Loss

Compare a monopolist's price and output to the competitive benchmark, and read off profit and deadweight loss as you reshape demand and cost.

Marginal revenue, the profit rectangle, and deadweight loss Open model
Microeconomics Firm theory Intermediate Native JS

Intermediate oligopoly

Kinked Demand and Price Rigidity

See why oligopoly prices are sticky: the kink in demand opens a gap in marginal revenue, and any marginal cost inside the gap leaves price and output at the kink.

The kinked demand curve, the discontinuous marginal-revenue gap, and price rigidity Open model
Microeconomics Firm theory Intermediate Native JS

Intermediate firm theory

Monopsony and the Minimum Wage

See how a monopsonist marks the wage down below the marginal product, and how a minimum wage between the monopsony and competitive wage raises both employment and pay.

The wage markdown, deadweight loss, and the minimum-wage result Open model
Microeconomics Game theory Advanced EasyEcon / Marimo

Advanced microeconomics

2x2 Normal-Form Game

Change payoffs to see how best-response maps, equilibrium outcomes, and strategic tension shift across familiar 2x2 games.

Best responses, equilibrium selection, and strategic tension Open model

Also browse

Move across the broader economics catalog.

All models

Growth, business cycles, and open economy

Macroeconomics

From Solow and Ramsey to business-cycle dynamics, overlapping generations, endogenous growth, and open-economy adjustment.

Regression, identification, and simulated evidence

Econometrics

Marimo-first econometrics notebooks on OLS, causal identification, panel intuition, and simulated data-generating processes.