Another Look at Taylor Approximation
Econ300 Quantitative Methods for Economists
Source (posted on Moodle): Barro, Sala-i-Martin, Economic Growth, Appendix on
Mathematical Methods: pp. 621-622
Many of the ordinary differential equations (ODE) that you wil

Inside
ECONOMICS
Mathematics for Economists
Exponents and Logarithms
Introduction
Many types of data can be modelled using exponential functions. Exponential functions
naturally model the growth of a variable and are functions in which the variable appear

Inside
ECONOMICS
Mathematics for Economists
Basic Set Theory
Introduction to Sets
Set theory is an important topic in mathematics and applied economics. Sets are much more
extensively used than people think. In applied economics we often work with sets of

Inside
ECONOMICS
Mathematics for Economists
Linear Functions
Introduction
In economics and, many other fields of study, we often encounter linear relationships that we
want to model in order to understand. Straight line depreciation of physical goods is a

Probability Primer
Walter R. Paczkowski
Rutgers University
Principles of Econometrics, 4th Edition
Probability Primer
Page 1
Chapter Contents
P.1 Random Variables
P.2 Probability Distributions
P.3 Joint, Marginal and Conditional Distributions
P.4 A Digres

Note on Second-Order Total Differential
MSE500 Quantitative Methods for Economists
Note that d2z and dx2 indicate different things. The first one shows the secondorder total differential of z and the second one is the square of the first-order
differentia