Articles for students who want intuition and precision.
Filter by category. Every article preview is written as a real study path, not filler.
GDP explained
Output, income, expenditure, real vs nominal GDP, and olympiad traps.
Inflation deep dive
CPI, deflator, expectations, and central bank response.
Fiscal and monetary policy
Multipliers, lags, crowding out, policy mix.
Supply and demand mastery
Equilibrium, shifts, welfare, deadweight loss.
Elasticity masterclass
PED, revenue rule, income and cross elasticity.
Inflation
CPI, GDP deflator, expectations, and price-level diagrams.
Fiscal and monetary policy
Channels, lags, multipliers, crowding out, and inflation risk.
IS-LM and AD-AS
How to move from money markets to aggregate demand logic.
Supply and demand
Equilibrium, shortages, surpluses, and clean curve-shift reasoning.
Elasticity
Revenue intuition, necessities, substitutes, and exam shortcuts.
Game theory basics
Dominant strategies and Nash equilibrium without panic.
Weekly preparation plan
A practical rhythm for concept mastery and timed problem sets.
Common contest mistakes
The small reasoning errors that cost the most points.