Acknowledgments

Richard Sutch acknowledges the helpful comments and advice received from Susan Carter, Paul David, Monty Hindman, Franco Modigliani, Alan Olmstead, Roger Ransom, and Gavin Wright. Financial support was provided by the John Simon Guggenheim Memorial Foundation, the National Science Foundation, the Institute of Business and Economic Research at the University of California, Berkeley, the Division of Humanities and Social Sciences of the California Institute of Technology, and the Center for Social and Economic Policy at the University of California, Riverside.