Tyler Cowen, economist and co-proprietor of the excellent Marginal Revolution, recently gave a talk to the International Association of Culinary Professionals and offered some food-related investment advice:
If sushi restaurants are new to a country, and are succeeding, buy shares in the stocks of that country. Raw fish, of course, can be toxic. Quality can be hard to monitor with the naked eye. Sushi consumption is a sign that people are starting to trust each other.