XXXX XXXXXXX is in XXXXXXXXXXX XXXX each other XXX currently it XXXXX XX XX cell phone leak season, the most recent XXXXX XXXX XXXXXX soon XXX next three XXXXXXXXX XXXX XXXXXX XXXX or announce their XXX products. XXX Galaxy XX and XXX IPhone8 are XXX newest ones XX be released. The key is that they all XXXX to XXXX a new device XXXXXXXX XXX market either XXX right XXXXX the XXXXX or at XXX XXXX time. XX the XXXXXXXX come XX market XXX XXXXXXXXX have XX choose either XX XXXXX loyalty or XXXXXX to XXX other side or XXXX XXXX XXX XXXXX expensive option.
Firms in monopoly, XXXXXXXXXXXX XXXXXXXXXXX, and XXXXXXXXX XXX XXXXXXXXXXX when they XXXXXX it XX XXXXXXXX XXXXX profits (Principles XX XXXXXXXXXXXXXX, XXX). XX this XXXXXXXXX, advertising does not play a major XXXX in XXXX XXXXXXXXX competitive market. "Everyone knows that firms in each industry produce XXXXXXXXX products, XXX buyers have XXXXXXXX information XXXXX XXX alternatives XXXXXXXXX XX them in XXX market" (Principles XX XXXXXXXXXXXXXX, 290).
This is consistent with XXXX XX've learned about oligopoly and advertising. "Advertising creates XXXXXXXX loyalty XX a XXXXXXXXXX XXXXX, then XXXX XXXXXXX XXX serve XX a XXXXXXX to XXXXX to XXXXX firms" (Principles XX Microeconomics, XXX).
Rittenberg & XXXXXXXXXX. (2012). XXXXXXXXXX XX Microeconomics