What determines how trade in a commodity is divided between privately negotiated transactions via "middle men" (dealer/brokers) in a telephone or "dealer market" versus transactions via "market makers" (specialists) at publicly observable bid/ask prices? To address this question, we extend...

English Abstract: The article presents an overview of selected connections of the COVID-19 pandemic with risk theories. The study first explores the basic concepts of preparing and mobilizing networks of public policy actors to act together under conditions of uncertainty. The following section...