Problem Books
Problem Books
Canonical problems with full worked solutions across economics, finance, mathematics, real estate, strategy, and statistics.
Microeconomics: Elasticity
Price elasticity of demand, revenue, and incidence — worked from the definitions.
Open →Corporate Finance Fundamentals
Time value of money, NPV, and WACC — the core valuation toolkit.
Open →Calculus: Optimization
Derivatives, critical points, and applied maxima — the workhorse of calculus.
Open →Real-Estate Valuation
Cap rates, net operating income, and leverage — how property is priced.
Open →Strategy: Game Theory
Dominant strategies, Nash equilibrium, and the logic of competition.
Open →Statistics: Inference
Descriptive measures, the normal distribution, and confidence intervals.
Open →Macroeconomics: Growth & the Multiplier
Real growth rates, the Rule of 70, and the spending multiplier — how economies expand.
Open →Bond Valuation
Pricing a bond, current yield, and the inverse link between price and rates.
Open →Calculus: Integration
Definite integrals, area under a curve, and an applied consumer-surplus example.
Open →Probability: Fundamentals
Basic probability, expected value, and Bayes' theorem — reasoning under uncertainty.
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