Helpman, Elhanan <br/><br/>
General purpose technologies and economic growth 

 - Cambridge  MIT Pr  1998 
 - xi; 315p 
<br/><br/><label>ISBN: </label>0-262-08263-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic development<br/>Technological innovations--Economic aspects<br/>Economic development and policy<br/>Economics
<br/><br/><label>Dewey Class. No.: </label>338.9/HEL