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We investigate estimation of causal effects of multiple competing (multi‐valued) treatments in the absence of randomization. Our work is motivated by an intention‐to‐treat study of the relative cardiometabolic risk of assignment to one of six commonly prescribed antipsychotic drugs in a cohort of nearly 39 000 adults with serious mental illnesses. Doubly‐robust estimators, such as targeted minimum...
Research Summary
Our study generalizes and extends a cumulative body of research on diversification into the contexts of social entrepreneurship. We examine the extent to which internationalization and program diversification affect a coveted, yet understudied, outcome for social organizations—revenue diversification—and investigate efficiency as a boundary condition of those relationships. Our longitudinal...
Delay-tolerant networking (DTN) is a type of wireless network architecture that works to determine an approach to address the technical issues in rugged environments, in which routing paths are unstable, and continuous network connectivity may not be available. This paper proposes MCR, a routing algorithm based on the Markov chain and uses the node's past interactions with others to determine the...
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