Course starts Tuesday 30 September 2025
This is an in-person course which requires your attendance at the weekly meetings in Oxford on Tuesdays, 7-9pm.
Each week will consist of a one-hour lecture followed by a one-hour tutorial.
We will work through core topics drawn from the recommended textbook Mathematics for Economics and Business by Ian Jacques (9th edition), supported by regular practice problems and weekly quizzes.
Week 1: Review of Basic Mathematical Concepts
- Topics: Fractions, powers, roots, order of operations, and manipulation of algebraic expressions.
- Economic application: Lays the foundation for interpreting and manipulating basic economic formulas, such as elasticity and index numbers.
Week 2: Linear and Quadratic Equations
- Topics: Solving and graphing linear and quadratic equations, completing the square, discriminant analysis.
- Economic application: Used to model cost, revenue, and profit functions; helps identify break-even points and analyze market scenarios with non-linear dynamics.
Week 3: Simultaneous Equations
- Topics: Solving linear systems using substitution, elimination, and matrix methods.
- Economic application: Core to solving supply-demand equilibrium, input-output models, and price-setting in competitive markets.
Week 4: Exponential and Logarithmic Functions
- Topics: Properties, transformations, natural logarithms, and inverse functions.
- Economic application: Models compound interest, economic growth, inflation, and depreciation; key for understanding time value of money and utility functions.
Week 5: Introduction to Differentiation
- Topics: First principles, rules of differentiation (product, quotient, chain), tangent lines, and rates of change.
- Economic application: Crucial for marginal analysis—examining marginal cost, marginal revenue, and optimizing firm behavior.
Week 6: Higher-Order Derivatives and Optimisation
- Topics: Second and higher-order derivatives, concavity, inflection points, and local optimization.
- Economic application: Identifying profit-maximizing output levels and cost-minimizing input combinations using second derivative tests.
Week 7: Multivariable Functions and Partial Derivatives
- Topics: Functions of several variables, partial derivatives, cross-partials, and gradient interpretation.
- Economic Application: Applied to utility maximization, cost functions, production functions, and marginal rate of substitution.
Week 8: Unconstrained Optimisation
- Topics: Critical points in multivariable functions, Hessian matrix, and second-order conditions.
- Economic application: Optimization of multivariable economic models such as firm output with multiple inputs or utility with multiple goods.
Week 9: Integration and Economic Applications
- Topics: Indefinite and definite integrals, integration by substitution, area under curves.
- Economic application: Calculation of consumer and producer surplus, aggregate demand, and total cost/revenue functions.
Week 10: Matrix Algebra and Economic Modelling
- Topics: Matrix operations, inverses, determinants, solving systems with matrices.
- Economic application: Matrix algebra is used in input-output models, which show how different industries depend on each other for inputs. A key example is the Leontief Model, which represents the flow of goods between sectors in an economy to help analyse the impact of changes in one sector on the others. It's widely used in national economic planning and forecasting.