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General Knowledge 3% exam weight

Economics and Banking

Part of the LAT (Law Admission Test) study roadmap. General Knowledge topic gk-8 of General Knowledge.

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Economics and Banking

🟢 Lite — Quick Review (1h–1d)

Rapid summary for last-minute revision before your exam.

Economics and Banking accounts for roughly 3% of LAT General Knowledge MCQs, testing basic macroeconomic terms and the structure of Pakistan’s banking system. The single most-tested formula is GDP = C + I + G + (X − M), where consumption, investment, government spending, and net exports combine to measure domestic output. Candidates must also recognise inflation = ((CPI current − CPI base) / CPI base) × 100, since CPI-based questions appear almost every paper.

The State Bank of Pakistan (SBP) is the central bank that issues currency, acts as banker to the government, and sets the policy (repo) rate. Commercial banks accept deposits, advance loans, and create credit through the money multiplier = 1 / RR, where RR is the required reserve ratio.

  • Fiscal vs monetary policy: fiscal = government taxation and spending; monetary = SBP actions on money supply and interest rates.
  • GDP vs GNP: GDP counts output produced inside the country; GNP adds net factor income from abroad.
  • Common trap: CRR (cash reserves banks must hold) is not the same as the repo rate (the rate at which SBP lends to commercial banks).

🟡 Standard — Regular Study (2d–2mo)

Standard content for students with a few days to months.

Core Macroeconomic Variables

LAT MCQs frequently test the distinction between output, price, and money-supply measures. GDP measures the market value of all final goods and services produced within a country’s borders during a year, while GNP adds net factor income earned abroad by residents and subtracts income earned locally by foreigners. Inflation is tracked through the Consumer Price Index (CPI), a weighted basket of goods; the year-on-year percentage change in CPI is the headline inflation rate reported by the Pakistan Bureau of Statistics.

Banking Structure in Pakistan

The banking system has two layers. The State Bank of Pakistan is the apex central bank: it has the exclusive right to issue currency notes, holds reserves of commercial banks, acts as lender of last resort, manages the foreign-exchange regime, and conducts monetary policy through the policy rate, open market operations (OMO), and the cash reserve ratio (CRR). Scheduled banks are commercial banks licensed under the Banking Companies Ordinance and regulated by SBP; they accept demand and time deposits, advance loans, remit funds, and create credit through fractional-reserve lending.

ConceptKey point
GDPC + I + G + (X − M); output within borders
GNPGDP + net factor income from abroad
CPI-based inflation((CPI₁ − CPI₀) / CPI₀) × 100
Money multiplier1 / RR (reserve ratio as decimal)
Repo rateSBP lending rate to commercial banks

Fiscal vs Monetary Policy

Fiscal policy is set by the federal and provincial governments through taxation, public expenditure, and borrowing. Monetary policy is set by SBP to control liquidity and inflation. A frequent LAT question pairs an instrument with its authority: “Who sets the policy rate?” — answer: SBP; “Who decides income-tax slabs?” — answer: federal government.

🔴 Extended — Deep Study (3mo+)

Comprehensive coverage for students on a longer study timeline.

Worked Numeric: Simple Interest

A LAT numerical may ask: “Find the simple interest on PKR 50,000 for 2 years at 10% per annum.” Using SI = (P × R × T) / 100, SI = (50,000 × 10 × 2) / 100 = PKR 10,000, and the amount payable is PKR 60,000. Compound interest over the same period at the same rate, compounded annually, gives CI = P(1 + r/n)^(n×t) − P = 50,000 × (1.10)² − 50,000 = PKR 10,500 — the extra PKR 500 is interest on the first year’s interest.

Edge Cases and Common Mistakes

  • GDP ≠ GNP: Pakistan’s GNP is typically lower than GDP because a significant share of domestic output is produced by foreign-owned factors of profit repatriation.
  • Stagflation (rising prices with stagnant output) is sometimes confused with inflation; remember stagflation also requires unemployment.
  • Foreign exchange margin: Forward premium % = ((Forward − Spot) / Spot) × 100. Candidates commonly invert the denominator.
  • Money multiplier assumes banks lend out 100% of excess reserves; in reality, leakages (cash holding, idle balances) reduce the effective multiplier.

Practice Prompts

  1. If CRR is 5%, what is the theoretical money multiplier? (Answer: 1 / 0.05 = 20.)
  2. CPI rises from 200 to 220. Calculate the inflation rate. (Answer: (220 − 200) / 200 × 100 = 10%.)

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