Acknowledgments ................................................ xi
Introduction .................................................... 1
Avi Goldfarb, Shane M. Greenstein, and Catherine E. Tucker
I. Internet Supply and Demand
1 Modularity and the Evolution of the Internet ................ 21
Timothy Simcoe
Comment: Timothy F. Bresnahan
2 What Are We Not Doing When We Are Online? ................... 55
Scott Wallsten
Comment: Chris Forman
II. Digitization, Economic Frictions, and New Markets
3 The Future of Prediction: How Google, Searches Foreshadow
Housing Prices and Sales .................................... 89
Lynn Wu and Erik Brynjolfsson
4 Bayesian Variable Selection for Nowcasting Economic Time
Series ..................................................... 119
Steven L. Scott and Hal R. Varian
5 Searching for Physical and Digital Media: The Evolution
of Platforms for Finding Books
Michael R. Baye, Babur De los Santos, and Matthijs
R. Wildenbeest
Comment: Marc Rysman
5 Searching for Physical and Digital Media: The Evolution
of Platforms for Finding Books ............................. 137
Michael R. Baye, Babur De los Santos, and Matthijs
R. Wildenbeest
Comment: Marc Rysman
6 Ideology and Online News ................................... 169
Matthew Gentzkow and Jesse M. Shapiro
7 Measuring the Effects of Advertising: The Digital
Frontier ................................................... 191
Randall Lewis, Justin M. Rao, and David H. Reiley
8 Digitization and the Contract Labor Market: A Research
Agenda ..................................................... 219
Ajay Agrawal, John Horton, Nicola Lacetera, and Elizabeth
Lyons
Comment: Christopher Stanton
9 Some Economics of Private Digital Currency ................. 257
Joshua S. Gans and Hanna Halaburda
III. Government Policy and Digitization
10 Estimation of Treatment Effects from Combined Data:
Identification versus Data Security ........................ 279
Tatiana Komarova, Denis Nekipelov, and Evgeny Yakovlev
11 Information Lost: Will the "Paradise" That Information
Promises, to Both Consumer and Firm, Be "Lost" on Account
of Data Breaches? The Epic is Playing Out .................. 309
Catherine L. Mann
Comment: Amalia R. Miller
12 Copyright and the Profitability of Authorship: Evidence
from Payments to Writers in the Romantic Period ............ 357
Megan MacGarvie and Petra Moser
Comment: Koleman Strumpf
13 Understanding Media Markets in the Digital Age: Economics
and Methodology ............................................ 385
Brett Danaher, Samita Dhanasobhon, Michael D. Smith, and
Rahul Telang
14 Digitization and the Quality of New Media Products: The
Case of Music .............................................. 407
Joel Waldfogel
15 The Nature and Incidence of Software Piracy: Evidence
from Windows ............................................... 443
Susan Athey and Scott Stern
Comment: Ashish Arora
Contributors .................................................. 481
Author Index .................................................. 485
Subject Index ................................................. 491
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