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AP Police Indian Economy Basics · Chapter 20

Quick formula and distinction sheet

Concept

Quick rule

Exam caution

Percentage change

(new − old) ÷ old × 100

State the denominator and period.

Real vs nominal

Nominal values use current prices; real values use the stated constant-price method.

Do not mix series or bases.

Per-capita measure

Aggregate ÷ relevant population estimate

An average; not a median or distribution.

Fiscal deficit (simplified)

Total expenditure − revenue receipts − non-debt capital receipts

Check exact account scope and financing.

Revenue deficit

Revenue expenditure − revenue receipts

Needs revenue expenditure data.

Primary deficit

Fiscal deficit − interest payments

Use matching period and definitions.

Unemployment rate

Unemployed ÷ labour force × 100

Not unemployed ÷ total population.

Tax buoyancy

Growth in tax revenue ÷ growth in nominal GDP

Interpret with rates, exemptions and composition.

Exchange conversion

Foreign-currency amount × exchange rate

Specify rupees per unit of foreign currency.

CPI inflation

(current index − comparison index) ÷ comparison index × 100

Rate change is not the same as a change in the rate of inflation.

Expenditure-side GDP

C + I + G + (X − M)

Imports are removed to measure domestic production.

Simple interest

Principal × annual rate × time

Use only when the question gives simple interest and matching units.

Net services

Service exports − service imports

A surplus is a credit on this component, not the whole current account.

Tax incidence

Legal remitter can differ from final economic bearer.

Market response and elasticity affect who bears the burden.

Budget stages

BE = coming-year estimate; RE = revised current-year estimate; actual = recorded outcome.

Not interchangeable.

Stock vs flow

Stock measured at a date; flow over a period.

Debt/GDP combines a stock with an annual flow.

GDP vs welfare

GDP tracks domestic production.

Pair it with distribution, work and capability indicators.

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