Comparative Advantage and Economies of Scale under Uncertainty -- by Xiao Ma, Natalia Ramondo

We thank Jingting Fan, Doireann Fitzgerald, Andrei Levchenko, Nitya Pandalai-Nayar, Andres Rodriguez-Clare, Thomas Sargent, and participants at various conferences and seminars, for their helpful comments. We use Claude AI for editing, structuring proofs, and checking notation. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.