This dissertation consists of four essays exploring risk modeling and aggregation, with a particular focus on cyber risk in the insurance context. It aims to provide appropriate answers to research questions that arise from practical challenges on both the supply and demand sides of the...

This paper studies risk management decisions for interdependent risk potentially causing catastrophic losses, against which agents typically self-protect (for example, natural catastrophes, cyber risks, pandemic risks). Our model reflects utility loss aversion and interdependent risk, a...

This study investigates whether cyber risk events occurring in the U.S. are spatially correlated and if so, which socio-economic factors drive these spatially correlated events. We analyze 49 states and 3,132 counties of the U.S. from 2005 to 2020 using the largest dataset of cyber risks and...