Recent international conflicts have resurrected concerns about how to manage supply disruptions or sudden escalation of need for energy, and other critical imports such as vaccines or military components. Major proactive measures prominently include support of domestic production, and accumulation of reserves or maintenance of stand-by production. This paper develops a clear eScholarship provides open access, scholarly publishing services to the University of California and delivers a dynamic

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... search platform to scholars worldwide. transparent method for comparing instruments and for identifying the optimum policy mix. We show how a country's risk aversion influences the best mix of policies, and interacts unexpectedly with the degree of risk itself. Specifically, high-risk aversion and low risk are shown to favor domestic production support as the better defense and disfavor stockpiling (and conversely). In clarifying a country's best policy response to risks of supply interruption, this analysis predicts how income level and risk aversion characteristics should shape arguments for and against interference with free trade on grounds of "national security." Abstract Recent international conflicts have resurrected concerns about how to manage supply disruptions or sudden escalation of need for energy, and other critical imports such as vaccines or military components. Major proactive measures prominently include support of domestic production, and accumulation of reserves or maintenance of stand-by production. This paper develops a clear transparent method for comparing instruments and for identifying the optimum policy mix. We show how a country's risk aversion influences the best mix of policies, and interacts unexpectedly with the degree of risk itself. Specifically, high-risk aversion and low risk are shown to favor domestic production support as the better defense and disfavor stockpiling (and conversely). In clarifying a country's best policy response to risks of supply interruption, this analysis predicts how income level and risk aversion characteristics should shape arguments for and against interference with free trade on grounds of "national security."