In this vigorous and well-documented "current view" of competition in the mid-western coal industry, Reed Moyer has set himself two tasks: to bring up to date existing economic analyses and to correct a "distortion which arises from generalizing about an industry composed of several diverse parts."

Most previous economic analyses have become obsolete, partly because of the shifting picture within the industry. Moyer's detailed study of the economic behavior of the midwestern coal industry focuses on the transformation in the mining operation. Contrary to popular opinion, the...