Frances, thank you very much. Forests, I believe are different because of their military value. I know that during the late 1600s, the British were worried about maintaining their supplies of timber for building ships. I don't know Worster's book, but I understand that it is very good.
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Michael Perelman Economics Department California State University michael at ecst.csuchico.edu Chico, CA 95929 530-898-5321 fax 530-898-5901