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Question

What is classical dichotomy ? Is it the same as neutrality of money? Explain.

This question was previously asked in
UPSC CSE 2025 (Prelims) CSAT Official Paper (25-May-2025)

The classical dichotomy is a theoretical separation of the economy into real and nominal sectors. It posits that real variables, like output, employment, and relative prices, are determined solely by real factors (technology, resources, preferences) and are unaffected by changes in the money supply. Nominal variables, such as the price level and nominal wages, are determined by the money supply. Essentially, money is a "veil" – it affects only the units of measurement, not the underlying real economy.

Neutrality of money is a consequence, or an implication, of the classical dichotomy. It specifically states that changes in the money supply only affect nominal variables (like the price level) but have no impact on real variables (like real GDP, employment, or real interest rates) in the long run. So, while the classical dichotomy is the idea of separation, neutrality of money is the outcome that money has no real effects. They are closely related but not identical; the dichotomy is the foundational principle, and neutrality is the behavioral result.

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