In an article on the history of Taiwan ’ s street vendors, Tai Po-fen, a professor in the sociology department of Fu Jen Catholic University, writes that her fieldwork in 1991 showed her that many vendors, especially those selling food, were netting more than NT $ 100,000 per month.
輔仁大學社會系教授戴伯芬在〈誰是攤販？— — 台灣攤販的歷史形構〉一文中指出，民國 80 年她在進行田野調查時就發現，月淨利超過 10 萬元的攤位，大有人在，尤其以小吃攤為最。