A central bank that raises interest rates to fight a supply shock mistakes the symptom for the disease. In light of this, distinguish between demand-pull and cost-push inflation an

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A central bank that raises interest rates to fight a supply shock mistakes the symptom for the disease. In light of this, distinguish between demand-pull and cost-push inflation and examine the limitations of monetary policy as a tool for price stability in India.

Examine

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  • 150 words
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The Hindu

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INTRODUCTION

  • Inflation can arise from demand-pull or cost-push (supply-side) factors. Treating a supply shock with aggressive rate hikes risks misdiagnosing the problem, limiting the effectiveness of monetary policy.

DEMAND-PULL VS COST-PUSH INFLATION

Demand-pull inflation:

  • Caused by excess aggregate demand over supply.

  • Drivers: higher income, credit expansion, fiscal stimulus.

  • Monetary policy effective: Rate hikes curb demand and moderate prices. Cost-push inflation:

  • Arises from rising input costs (food, fuel, wages, supply disruptions).

  • Drivers: global commodity shocks, climate events, logistics bottlenecks.

  • Monetary policy less effective: Does not directly address supply constraints.

LIMITATIONS OF MONETARY POLICY IN INDIA

  • High share of food inflation: Food has a large weight in CPI; driven by monsoons and supply chains beyond RBI control.
  • Imported inflation: Dependence on crude oil and global commodities limits domestic policy impact.
  • Growth trade-off: Rate hikes can suppress investment, MSMEs, and employment.
  • Weak transmission: Banking sector rigidities and informal credit markets dilute policy impact.
  • Time lags: Policy actions affect inflation with delays, while supply shocks are immediate.
  • Structural bottlenecks: Infrastructure gaps and market inefficiencies sustain inflationary pressures.
  • Exchange rate constraints: Managing inflation via currency appreciation has external sector risks.

IMPLICATIONS FOR POLICY APPROACH

  • Calibrated monetary response: Avoid over-tightening during transitory supply shocks.
  • Supply-side measures: Improve agriculture, logistics, and energy security.
  • Fiscal coordination: Use taxes, subsidies, and buffer stocks to stabilise prices.
  • Expectations management: Maintain credibility to anchor inflation expectations.
  • Targeted interventions: Sector-specific responses rather than broad demand compression.

CONCLUSION

  • While essential for anchoring expectations, monetary policy alone cannot ensure price stability in the face of supply shocks; a coordinated, multi-pronged approach is crucial for India.