We experimentally test overconfidence in investment decisions by offering participants the possibility to substitute their own for alternative investment choices. Overall, 149 subjects participated in two experiments, one with just one risky asset, the other with two risky assets. Overconfidence...

We study interfirm competition on a product market where effort decisions are delegated to the firms' workers. Intrafirm organization is captured by a principal-multiagent framework where firm owners implement alternative compensation schemes for the workers. We show that the value of delegation...

We study strategic interfirm competition allowing for internal conflicts in each seller firm. Intrafirm conflicts are captured by a multi-agent framework with principals implementing a revenue sharing scheme. For a given number of agents, interfirm competition leads to a higher revenue share for...

We study price competition in heterogeneous markets where price decisions are delegated to agents. Principals implement a revenue sharing scheme to which agents react by commonly charging a sales price. The results of our model exemplify the importance of both intrafirm- and interfirm...

Overall, 72 subjects invest their endowment in four risky assets. Each com-bination of assets yields the same expected return and variance of returns. Illusion of expertise prevails when one prefers nevertheless the self-selected portfolio. After being randomly assigned to groups of four...