Yoshiki Wiskamp is a PhD student in Economics at the LSE. His research focuses on development and environmental economics, using structural models, field experiments, and historical data. His current work examines how public investments in sanitation infrastructure shape the long-run development of cities, as well as how sanitation services can be provided effectively in the early stages of development. He has conducted fieldwork in Ghana to study markets for informal waste collection. Yoshiki has taught Development Economics, as well as Microeconomics and Macroeconomics, at the LSE Department of Economics.