""Contents ""; ""Chapter 1. Introduction ""; ""Chapter 2. Union Rent-Seeking and the Economic Performance of Firms ""; ""Chapter 3. Union Coverage Among U.S. Firms ""; ""Chapter 4. Labor Unions and Firm Profitability""; ""Chapter 5. Labor Unions and Firm Investment Behavior ""; ""Chapter 6. Labor Unions, Productivity, and Productivity Growth""; ""Chapter 7. Summary and Evaluation""; ""Data Appendix 1. Variable Means by Union Category, 1968-1980 ""; ""Data Appendix 2. Regression Variable Definitions ""; ""References ""; ""Index ""