Microeconomics 18th Edition by Campbell McConnell, Stanley Brue, Sean Flynn

Exercise 36

Listed below are several possible actions by firms. Write "INV" beside those that reflect invention, "INN" beside those that reflect innovation, and "DIF" beside those that reflect diffusion.
a. An auto manufacturer adds "heated seats" as a standard feature in its luxury cars to keep pace with a rival firm whose luxury cars already have this feature.
b. A television production company pioneers the first music video channel.
c. A firm develops and patents a working model of a self-erasing whiteboard for classrooms.
d. A lightbulb firm is the first to produce and market lighting fixtures with halogen lamps.
e. A rival toy maker introduces a new Jenny doll to complete with Mattel's Barbie doll.