Ashenfelter, Orley Hallock, Kevin F (ed) Perlman, Mark (ed) <br/><br/>
Employment labour unions and wages  collected essays of orley ashenfelter 

 - Cheltenham  Edward Elgar publishing inc  1992 
 - xxi, 424p.; 22cm. 
 - economists of the 20th century series .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Employment - labour economics<br/>Labour market<br/>Labour relations<br/>Trade unions - wages<br/>Unemployment