This paper uses a large cross-country survey of business firms to assess their influence on government policies. It is found that influence is associated with larger, government-owned firms that have a high degree of ownership concentration. In contrast, foreign ownership matters little. It is...

Results from portfolio models for credit risk tell us that loan concentration in certain industry sectors can substantially increase the value-at-risk (VaR). The purpose of this paper is to analyze whether a tractable infection modelʺ can provide a meaningful estimate of the impact of...