nnovation, and Competition at the University of Pennsylvania Law School. He is also Professor of Communication at the Annenberg School for Communication at the University of Pennsylvania (Courtesy). Formerly Professor of Law at Vanderbilt University, he was also Founding Director there of the Technology and Entertainment Law Program. Professor Yoo earlier clerked for Justice Anthony M. Kennedy of the Supreme Court of the United States and Judge A. Raymond Randolph of the U.S. Court of Appeals for the D.C. Circuit. He coauthored The Unitary Executive: Presidential Power from Washington to Bush (with Steven G. Calabresi, 2008) and has written more than three dozen book chapters and articles in the Columbia, New York University, University of Pennsylvania, Cornell, and Northwestern University law reviews, as well as the Harvard Journal of Law and Technology and the Yale Journal of Regulation, among others. Professor Yoo's research focuses primarily on how technological innovation and economic theories of imperfect competition are transforming the regulation of the Internet, representing a leading voice in the debate over network neutrality. Networks in Telecommunications Economics and Law Daniel F. Spulber Northwestern University Christopher S. Yoo University of Pennsylvania CAMBRIDGE UNIVERSITY PRESS CAMBRIDGE UNIVERSITY PRESS Cambridge, New York, Melbourne, Madrid, Cape Town, Singapore, São Paulo, Delhi Cambridge University Press 32 Avenue of the Americas, New York, NY 10013-2473, USA www.cambridge.org Information on this title: www.cambridge.org/9780521673860 © Daniel F. Spulber and Christopher S. Yoo 2009 This publication is in copyright. Subject to statutory exception and to the provisions of relevant collective licensing agreements, no reproduction of any part may take place without the written permission of Cambridge University Press. First published 2009 Printed in the United States of America A catalog record for this publication is available from the British Library. Library of Congress Cataloging in Publi