Macro track

Dynamic growth models, business-cycle dynamics, and open-economy adjustment.

The macro catalog now has a clearer staircase. It begins with the Solow and Ramsey foundations, then expands into advanced upper-undergraduate models on business cycles, overlapping generations, endogenous growth, and intertemporal open-economy dynamics.

Foundations

Start with steady states, convergence, and optimal saving.

Macroeconomics Growth Intro EasyEcon / Marimo

Exogenous growth foundations

Solow-Swan Growth Model

Use the sliders to compare current outcomes with the golden rule, inspect the Solow diagram, and see how capital accumulation converges over time.

Steady state, golden rule, and transition dynamics Open model

Macroeconomics Growth Intermediate EasyEcon / Marimo

Optimal growth with endogenous saving

Ramsey-Cass-Koopmans Model

Explore how preferences, technology, and depreciation alter the steady state and the planner's optimal transition path using a shooting algorithm.

Euler equation, steady state, and optimal paths Open model

Advanced wave

Then move into fluctuations, generations, persistent growth, and external borrowing.

Macroeconomics Business cycle Advanced EasyEcon / Marimo

Deterministic business-cycle dynamics

Basic Real Business Cycle Model

Change preferences, technology, depreciation, and shock size to see how a one-period TFP disturbance propagates through a closed economy with endogenous saving.

Temporary TFP shocks, impulse responses, and propagation Open model

Macroeconomics Business cycle Advanced EasyEcon / Marimo

Persistent business-cycle dynamics

Stochastic RBC Model with AR(1) Shocks

Vary shock persistence, innovation volatility, and core preference parameters to see how a stochastic TFP process generates realised paths and sample moments for output, consumption, and investment.

AR(1) productivity, stochastic simulation, and propagation Open model

Macroeconomics Business cycle Advanced EasyEcon / Marimo

Sticky-price business-cycle dynamics

Basic New Keynesian DSGE Model

Adjust Phillips-curve slope, intertemporal demand sensitivity, policy-rule coefficients, and shock persistence to see how inflation, the output gap, and interest rates respond.

Taylor-rule stabilisation, sticky prices, and policy trade-offs Open model

Macroeconomics Overlapping generations Advanced EasyEcon / Marimo

Advanced macroeconomics

Diamond Overlapping-Generations Model

Study the steady state, compare it with the golden-rule benchmark, and see when an economy may overaccumulate capital and become dynamically inefficient.

Saving across cohorts, golden rule, and dynamic inefficiency Open model

Macroeconomics Endogenous growth Advanced EasyEcon / Marimo

Advanced macroeconomics

AK Endogenous Growth Model

Change technology, saving, and policy wedges to see how the growth rate of capital, output, and consumption can remain permanently elevated.

Persistent growth, policy wedges, and accumulation Open model

Macroeconomics Open economy Advanced EasyEcon / Marimo

Advanced macroeconomics

Small Open Economy Model

Explore how productivity shifts, world interest rates, and impatience shape consumption, external borrowing, and the current account over time.

World interest rates, current account, and smoothing Open model

Also browse

Move across the broader economics catalog.

All models

Price theory to strategic interaction

Microeconomics

From partial-equilibrium price theory into consumer choice, firm behavior, and game theory.

Regression, identification, and simulated evidence

Econometrics

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