Errors in the Textbook
Perman, Ma, Common, Maddison and McGilvray
NATURAL RESOURCE AND ENVIRONMENTAL ECONOMICS
Fourth Edition
Chapter 2
Chapter 2, page 32, Tabe 2.4
There is an error in one of the values shown in the table. Specifically, in the column headed by "I" the second value down in that column should be 43.476 rather than 32.3226 as currently shown.
(Thanks to Dr Paul Burke of ANU for pointing out this error to me).