It includes self-employed street vendors in Cairo, tortilla sellers in Mexico City, rickshaw drivers in Kolkata and scrap collectors in Jakarta.

• 而地下经济的样本则是开罗街头的个体商人、墨西哥城里出售玉米饼的小贩，或是加尔各答的人力车夫、雅加达的废品收购员。