Mulligan, Casey B. <br/><br/>
Gerontocracy, retirement, and social security 

 - Cambridge, Mass :  National Bureau of Economic Research,  1999 
 - 56 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GERONTOCRACY<br/>AGED<br/>ECONOMICS--RESEARCH
<br/><br/><label>LC Class. No.: </label>GN492.1  / M844G