← Search American Economic Review Vol. 74 No. 5 1984 Unionization and Firm Performance: The Impact on Profits, Growth, and Productivity Kim B. Clark Volume74 Issue5 Pages893-919 Sources bibtex:phds-export.bib Cite APA 7 MLA 9 Chicago (author–date) Harvard Elsevier Harvard (JFE, JBF…) The Accounting Review Academy of Management American Marketing Association INFORMS (Management Science) Copy citation Copied ✓