Ullberg, Eskil. <br/><br/>
Trade in ideas :  performance and behavioral properties of markets in patents / 
Eskil Ullberg ; foreword by T. Hazlett. 
 - New York :  Springer,  2012. 
 - xxvi, 199 p. :  ill. ;  24 cm. 
 - Innovation, technology, and knowledge management ;  [13] .
 - Innovation, technology, and knowledge management ;  13. .
<br/><br/>Includes bibliographical references (p. 189-192) and indexes. 
<br/><br/><label>ISBN: </label>9781461412717  RM367.00 1461412714 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Patents--Economic aspects.