In this paper we consider a regulated monopoly that can pad its costs to increaseits cost reimbursement. Even while padding is ineácient the optimal incentivescheme tolerates some padding of costs to reduce the information rents paid tolow cost types. It is shown that high cost ßrms pad costs...

We show that if patent protection and trade secrecy generate asymmetricmarket structure, an innovator may prefer patent protection than trade secrecy even ifthe diffusion probability is higher under the former but it increases marketconcentration by preventing some imitators...