Information Rules
A Strategic Guide to the Network Economy
Carl Shapiro and Hal R. Varian

Errata in printing 3

• 33, 5 lines up, "copyright" should be "trademark"
• 59, 386SX should be 486SX
• 208, delete the sentence about the Finnish railroad gauge. In 1857 when the decision was made, Finland was part of Russia. The Finns wanted a narrower gauge, ostensibly because it was cheaper to build, but czar Alexander II insisted on the Russian standard.
• 100. Table 4.1. In heading row of table, replace "Sites" with "Seats" (3 times)
• 240, under Keep up your momentum. Replace NBC with CBS (2 times).
• 257, 4th paragraph, last 2 lines should read: "...subset of SGML. The danger, of course, is that XML will splinter in the same way Unix did, with multiple dialects being promulgated."
• 261, line 3. "and HDTV" should be "in HDTV".
• 284, should be "Atari was dominant in the first generation of video games, then Nintendo in second-generation, 8-bit systems. Sega made inroads by being first to market a 16-bit system in the U.S., and recently Sony has been giving Nintendo a run for its money in 64-bit systems."
• 320, 330. Ray Deneckere's name is misspelled.
• 320, Maskin and Riley (1984) and Tirole (1988) were omitted from the references; the references are available in the expanded bibliography.

Errata in earlier printings

• 33, Table 21. The source is garbled; the correct source is listed under "Lesk" on page 332 of the bibliography.
• 39. line 4. The $10 at the end of this line should be $100.
• 58, line 6. Cut "much".
• p59, line 10-11. Change "Series F" to "standard".
• 215, last full paragraph. Sentence reads "Both CBS and RCA were secretly pleased. CBS was able to make sets anyhow." The "able" should be "unable".
• 279, 2nd full paragraph. Replace "Corbis" with "Claris" to read "Then they established a subsidiary, Claris, to do applications development. When this soured relations with other developers, they spun Claris off."