Do physicians behave rationally when facing a new disease? This study assesses physicians’ ambiguity attitudes towards the COVID-19 pandemic at its early breakout and the stock market using a revealed preference approach. We find that physicians exhibit significant deviation from expected...

Do physicians behave rationally when facing a new disease? This study assesses physicians’ ambiguity attitudes towards the COVID-19 pandemic at its early breakout and the stock market using a revealed preference approach. We find that physicians exhibit significant deviation from expected...

The connections and volatilities of financial institutions are important features in studies on the financial market. Based on the tail-event-driven networks reflecting the risk interdependence between financial institutions, we introduce quantile regression to achieve the dynamic ranking of...

Problem definition: In this paper, we study a reliable hub location model, the objective of which is to minimize the associated costs plus the penalty for unserved demands. The model assigns to each origin-destination pair a primary path and a backup path to hedge against the risk of random...