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Macro by Mark

Global Economic Data, Empirical Models, and Macro Theory
All in One Workspace

Public data from government agencies and multilateral statistical releases, anchored in official sources

© 2026 Mark Jayson Nation

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Theory-Based Models

Loading Theory-Based Models

Macro by Mark

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Solow Growth
Model

A long-run growth framework linking saving, depreciation, population growth, and productivity to the steady-state capital stock and output path.

Compare

Baseline Solow shows a phase diagram -- no solver time path. User can order snapshots manually.

Shock presets

Higher saving

Raises the saving schedule and pushes the steady state outward.

Productivity boost

Raises output and the saving schedule.

Demographic drag

Raises the break-even requirement.

Controls

Diagram, readouts, and summary update with each change.

Preset

Core

Break-even

State

Variant branches

Impact summary

Steady-state capital

Steady-state capital

91.2

Output

24.3

Consumption

17.0

Golden Rule capital

147.4

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