GameStop Racks Up the Points No retailer has more cachet among gamers than GameStop.
GameStop Racks Up the Points No retailer has more cachet among gamers than GameStop. For now, only Wal-Mart has a larger market share-21.3% last year. GameStop's share was 21.1% last year, and may well overtake Wal-Mart this year. But if new women gamers prefer shopping at Target to GameStop, Wal-Mart and Target might erode GameStop's market share. Source: Fortune, June 9, 2008
a. According to the news clip, what is the structure of the U.S. retail video-game market?
b. Estimate a range for the four-firm concentration ratio and the HHI for the game market in the United States based on the information provided in this news clip.