Referee Report on paper: • Chauvin, J. P., Glaeser, E., Ma, Y., & Tobio, K. (2016).

What is different about urbanization in rich and poor countries? Cities in Brazil, China, India and the United States. Journal of Urban Economics 98 p17-49.

· Chauvin, J. P., Glaeser, E., Ma, Y., & Tobio, K. (2016).

What is different about urbanization in rich and poor countries? Cities in Brazil, China, India and the United States. Journal of Urban Economics 98 p17-49.