Angrist, Joshua D. Krueger, Alan B. <br/><br/>
instrumental variables and the search for identification : from supply and demand to natural experiments 

 -  Fall  Fall 2001 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Estimate demand and supply curves
<br/><br/><label>LC Class. No.: </label>مقالات لا تصنف