Purpose – The purpose of this paper is to demonstrate with real data the enhanced statistical power of a GLS‐based event study methodology that requires the same input data as the traditional tests. Design/methodology/approach – The paper uses full sample, subsample and simulated modified...

Product information which is beneficial for an individual consumer may hurt if disseminated widely. Even with rational expectations, a fallacy of composition may occur if information leads to demand and price increases.

We use the Korean Financial Crisis as a natural laboratory for examining interactions among firm diversification, equilibrium capital structure and tail probability events. When the crisis hit in 1997, several major firms, including a large number of highly leveraged conglomerates (Chaebols),...