Скачать или смотреть 🌿Samuelson Multiplier–Accelerator Model with Rational Expectations | Reduced Form Dynamics🌿

In this video, we solve the Samuelson multiplier–accelerator model under rational expectations.
We:
derive the reduced-form equations for income and investment,
explicitly solve expectations formed at time t-1,
and explain why a higher level of past income can lead to lower current income and investment.
This result is not a paradox — it follows directly from the accelerator mechanism and forward-looking expectations, and it is central to understanding cyclical dynamics in macroeconomic models.
This lecture is intended for MS and PhD-level students in macroeconomics and mathematical economics.
📌 Topics covered:
Multiplier–accelerator models
Rational expectations
Reduced-form dynamics
Income and investment cycles
Economic intuition behind oscillations

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