Hoxby, Caroline M. <br/><br/>
The Returns to Online Postsecondary Education / 
Caroline M. Hoxby. 
 - Cambridge, Mass.  National Bureau of Economic Research  2017. 
 - 1 online resource:  illustrations (black and white); 
 - NBER working paper series  no. w23193 .
 - Working Paper Series (National Bureau of Economic Research)  no. w23193. .
<br/><br/> February 2017. 
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