We present a model of optimal monitoring expenditures. For any technology that yields a conventional ``S-shaped''' production function for monitoring, the optimal level of monitoring is shown to be higher in medium-sized firms than in both small and large firms. Further, the interaction between...

We present a model of optimal monitoring expenditures. For any technology that yields a conventional ``S-shaped''' production function for monitoring, the optimal level of monitoring is shown to be higher in medium-sized firms than in both small and large firms. Further, the interaction between...