Box.teffensmeier, Janet M, ed Brady, Henry E, ed Collier, David, ed <br/><br/>
Oxford handbook of political methodology 

 - New Delhi  OUP  2009 
 - xiii; 880 
<br/><br/><label>ISBN: </label>9780199286546 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecological inference<br/>Endogeneity<br/>Field experiments<br/>Multilevel models<br/>Natural experiments<br/>Pragmatism