Crude Oil Price Pass-Through to Inflation

Imported inflation is a rise in domestic prices caused by higher costs of goods and inputs purchased from abroad. It can result from an increase in global prices or from currency depreciation, which raises the local-currency cost even when the foreign price is unchanged. Price pass-through describes how far and how quickly that external cost reaches consumers.

How imported prices enter inflation

Transmission occurs when a higher foreign-currency price, rupee depreciation, or both raise the domestic landed cost of an import. The resulting inflation is neither immediate nor necessarily one-for-one.

• The direct effect occurs when imported or import-linked goods become dearer in the consumer basket.
• The indirect effect arises when costly fuel, transport or raw materials raise production and distribution costs, which firms may pass into retail prices.
• A large import bill may pressure the exchange rate, while depreciation further increases rupee import costs and can widen the inflation shock.
• Persistent increases may affect inflation expectations, wages and pricing decisions, producing second-round effects beyond the initially affected goods.

Crude oil and edible-oil channels

Crude oil and edible oils illustrate imported inflation through different parts of household consumption. Both are internationally traded and commonly priced in foreign currency, but their immediate CPI effects arise through different groups.

• Higher crude costs can raise retail prices of petrol, diesel, liquefied petroleum gas and other petroleum products represented through fuel and transport-related items.
• Petroleum is also an input in freight, farming, construction, manufacturing and services, so an oil shock can spread into food and other retail prices.
• In an edible-oil-import-dependent economy, higher world prices or rupee depreciation raise domestic prices through the landed cost of imported oils. This directly affects the CPI category of oils and fats.
• Substitution among edible oils links their prices, while higher cooking-oil costs can indirectly affect processed foods, food services and household food expenditure.

Why pass-through varies

The size and speed of pass-through depend on market conditions and on how much of the external price change reaches domestic buyers.

• Import duties, petroleum taxes, subsidies and administered prices can cushion or amplify consumer-price changes.
• Exchange-rate movements, freight, insurance, refining or processing costs, inventories, distribution expenses and firms' margins affect adjustment.
• Weak demand may limit firms' ability to transfer costs, while strong demand can make pass-through quicker and larger.
• Domestic harvests, stocks, the composition of edible-oil imports and the availability of substitutes influence food-oil transmission.
• Price controls or subsidies may delay inflation but shift part of the burden to government finances or producing firms.

Macroeconomic effects and policy response

An adverse commodity shock creates cost-push inflation, reduces households' real purchasing power and raises firms' costs. It may also worsen the current account and weaken activity, although slower demand can moderate later inflation.

• Monetary policy can restrain expectations and second-round effects, but it cannot directly increase supplies of imported crude or edible oil.
• Fiscal authorities may adjust taxes or import duties and provide targeted support, although broad price suppression entails revenue or subsidy costs.
• Longer-term resilience requires greater domestic productivity, diversified import sources, efficient supply chains and lower dependence on vulnerable imports.