Errors in the Textbook
Perman, Ma, Common, Maddison and McGilvray
NATURAL RESOURCE AND ENVIRONMENTAL ECONOMICS
Fourth Edition
Chapter 16
1. p. 552: In equation 16.12, the first “+” symbol should be a “=” symbol.
Thanks to Paul Burke (Research Fellow Arndt-Corden Department of Economics, Australian National University) for drawing this to the authors' attention.