phd thesis
Title: Essays in Economics
PhD Supervisors: Cedric Tille and Beatrice Weder Di Mauro
Expected completion date: 2027
profile
Joshua is a PhD candidate in Economics at the Geneva Graduate Institute. Before beginning his PhD, he completed a master's in International Economics at the Graduate Institute, and prior to that, earned an honours bachelor's of arts in Economics and Statistics at the University of Toronto. Joshua has worked as an intern at the World Trade Organization in the Economic Research and Statistics Division, as a research assistant for Professor Beatrice Weder Di Mauro at the Centre for Economic Policy Research, and more recently, as a consultant in the International Finance Unit at the Organisation for Economic Cooperation and Development.
research interests
- Geoeconomics
- Critical Minerals
- Energy Economics
Selected publications and Works
- Chokepoint: The Financial Effects of Rare Earth Supply Disruptions (https://ideas.repec.org/p/gii/giihei/heidwp10-2026.html), 2026
- Dynamic Substitution Between Dirty and Clean Energy: Evidence from Oil and Gas Supply Shocks, 2025
- From Climate Risk to Growth-at-Risk: An Empirical Model of Downside Risks to Growth from Temperature Shocks (https://joshuaostry.github.io/From%20Climate%20Risk%20to%20Growth-at-Risk.pdf) , 2022
Teaching Experience
- Macroeconomics II - 2024-2026
- Microeconomics I - 2024-2026
- Sustainable Finance and Impact Investing - 2022-2024
- Finance, Development and Inclusion - 2023
- Empirical Methods for Evidence-Based Policy Research - 2023
WORK EXPERIENCES
- Consultant in the International Finance Unit, Organisation for Economic Cooperation and Development
- Intern in the Economics Research and Statistics Division, World Trade Organization
- Research Assistant, Centre for Economic Policy Research
FELLOWSHIPS, GRANTS AND AWARDS
- Geneva Graduate Insitute Scholarship Package (2022-26)
- Rudi Dornbusch Prize for Best Master's Dissertation in International Economics (2022)