| Sumario: | The application of the portfolio framework to the economy predicts the existence of a convex growth-instability frontier. Using two data sets on Gross State Product for the states of the United States, this hypothesis is tested. The tests confirm the existence of a convex frontier for economic growth and instability. The shape of the frontier is estimated, and growth-adjusted measures of economic instability based on the frontier are computed. Over long periods of time, economic instability is negatively correlated with a range of measures of economic diversity, providing further support for the portfolio view of economic growth. (JEL R11) Reprinted by permission of the publisher.
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