Duvall, Jerry Brandon. <br/><br/>
The Induced innovation hypothesis and biased technological change in the domestic telecommunications industry :  a microeconometric analysis / 
by Jerry Brandon Duvall 
 - Washington :  The American University,  1979. 
 - xi, 613 p. :  ill. ;  20 cm. 
<br/><br/>Thesis (Ph.D.)-The American University, 1979. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication--Technological innovations.<br/>Telephone--Technological innovations.