A principal uses security bid auctions to award an incentive contract to one among several agents, in the presence of hidden action and hidden information. Securities range from cash to equity and call options. 'Steeper' securities are better surplus extractors that narrow the gap between the...

A principal-agent multitasking model is used to explore the effects of different tax schemes on innovation in a pure knowledge economy. Corporate taxes and labor income taxes can affect both the firm owner’s and the employee’s incentives to commit to innovative tasks, when the former...