According to an article in the Wall Street Journal in 2015, "Apple Inc.'s surging smart-phone sales in China may have busted a myth: that many Chinese consumers couldn't, or wouldn't, shell out for an iPhone." The article noted that iPhone sales were growing faster in China than in the United States, Europe, or other high-income countries.
a. Why would sales of iPhones be likely to be growing faster in China than in the United States and in other high-income countries?
b. Why were many industry analysts surprised by Apple's strong sales in China? Would forecasting sales in the United States be easier or harder than forecasting sales in countries such as China? Briefly explain.