Wooldridge, Jeffrey M. <br/><br/>
Econometric analysis of cross section and panel data / 

 - 2nd 
 - Cambridge:  MIT Press,  2010 
 - xxvii, 1064p.Index 
<br/><br/><label>ISBN: </label>9780262232586 
<br/><br/><label>Dewey Class. No.: </label>330.015195  / W913.EA