**Study Guide for Exam 2**

Spring 2019

Yaoqui Lin

ECO 330

The notes cover chapter 4 and 5. Reminder, review chapter formulas from 1-3, including finding the Gini coefficient, technology rate by year (At = (1+γ) = At+n, t is tiny), population change with fertility and mortality rates, and calculate percentage change from period 1 to period 2.