This book presents a curated collection of research on ethnic entrepreneurship, focusing on the informal sector. The common theme of the expert contributions is that entrepreneurial motivation to start informal business is paramount to ethnic groups. In particular, the book explores the factors influencing ethnic groups to start informal businesses and how this creates innovative business activity. It also charts the evolution of ethnic entrepreneurship and informal businesses in advanced and emerging economies; the diversity of entrepreneurial strategies; the economics of co-ethnic employment; and the issues surrounding immigrant entrepreneurship. The book is a valuable resource for researchers in the field of informal ethnic entrepreneurship, as well as for policy makers and entrepreneurs.