Disproportionate responses to ill-conceived threats can be just as costly as underestimating a particular risk, especially when it comes to foreign policy-making. When “states and international organizations over- and under-react to perceived transboundary threats and hazards that emanate from or easily spread beyond a given state’s territory, their mistakes can have equally harmful consequences for the citizens they mean to protect”. Read Christoph Meyer’s article “Over- and under-reaction to transboundary threats: two sides of a misprinted coin?” published in the Journal of European Public Policy to find out what conditions states’ misapprehension of external threats.