Multiple-Unit Operations and Gross Labor Productivity within the Old Cotton Belt

William H. Nicholls

Vanderbilt University

The writer is indebted to T. W. Schultz, K. L. Bachman, D. Gale Johnson, and Charles E. Bishop for comments and criticisms of earlier drafts of this manuscript; to Paul Wayman, William H. Drew, and Raymond B. Marshall for research assistance; and to the Institute of Research and Training in the Social Sciences, Vanderbilt University, for research grants which made this study possible.