" When it comes to ethnic markets, most of the shoppers really are very well informed. Most of the shoppers come from cultures—including China—where food preparation receives a lot more attention than in the United States. These shoppers also are largely immigrants or children of immigrants. Either they come from cultures where most food prices are lower than in the United States, or the immigrants have lower incomes themselves, or both. "

― Tyler Cowen , An Economist Gets Lunch: New Rules for Everyday Foodies