J A Tweedle

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I evaluate two competing theories for microfoundations of aggregate fluctuations. The network hypothesis suggests industry-level shocks propagate across the inputoutput (IO) network of the economy, resulting in aggregate fluctuations. The granular hypothesis suggests idiosyncratic shocks to very large firms result in aggregate fluctuations. My main(More)
We describe the establishment of an International Normalized Ratio (INR)-based system for monitoring oral anticoagulant therapy in a multiethnic developing country. There was significant variation in geometric mean normal prothrombin time among ethnic groups: 12.7 s for Indians, 13.4 s for Africans and 13.7 s for subjects of mixed ancestry. About 4129 INR(More)
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