Many textbooks are now available in two versions, a high priced domestic version and a low priced international version.

Many textbooks are now available in two versions, a high priced domestic version and a low priced international version. Each version generally contains exactly the same text, but slightly altered homework problems.

a. why whould a textbook publisher go to trouble to produce two versions of same text?

b. Discuss whether the publisher's strategy would be more effective if it made the alterations secret, or if it announced them boldly.

c. the production of international versions of textbooks was concurrent with the explosion of internet. Explain why this is likely to be more than just a concidence.