S upply disruptions are all too common in supply chains. To mitigate delivery risk, buyers may either source from multiple suppliers or offer incentives to their preferred supplier to improve its process reliability. These incentives can be either direct (investment subsidy) or indirect (inflated order quantity). In this study, we present a series of models to highlight buyers’ and suppliers’ o...

How effective are governmental incentives to achieve widespread vaccination coverage so as to prevent epidemic outbreak? The answer largely depends on the complex interplay among the type of incentive, individual behavioral responses, and the intrinsic epidemic dynamics. By incorporating evolutionary games into epidemic dynamics, we investigate the effects of two types of incentives strategies:...

Abstract: The agriculture industry plays a critical role in the U.S. economy and various industry sectors depend on the output of farms. A salient challenge in farming is uncertainty in the farm yield, which depends on the weather conditions (and other unpredictable factors) during the growing season and impacts farmers' profit. To protect and raise farmers' income, the U.S. government offers t...

background: theoretically, a vital factor in development has been the resilience and strength of socio-economic system to confront instabilities and crises. the precaution, however, is that an error might be committed, where, instead of finding the root causes of diseases we are mobilizing the forces to confront the signs of illness, leaving the diseases to grow and damage the lesser developed ...

in this study, a model of optimal allocation of subsidy was developed based on the microeconomic optimization theory. the model was evaluated by applying to premium subsidy allocation to the cereal crops’ (corn, rain fed barley and wheat, and irrigated barley and wheat) insurance in iran. in developing the model, it was assumed that, policymaker on behalf of society, follows a social utility ma...