TY - BOOK AU - Ippolito, Richard A TI - Pension plans and employee performance: Evidence, analysis a SN - 0-226-38455-1 U1 - 658.3253/IPP PY - 1997/// CY - Chicago PB - Uni of Chicago Pr KW - Labor turnover--United States KW - Labor productivity--United States KW - Pension trusts--United States KW - Management ER -