Following the standard (acquisition of control) merger logic, merger control regimes have typically treated horizontal minority shareholdings as a matter of coordinated effects. As in a standard horizontal merger case, the transaction implies full control of the target firm and joint profit...

The book studies the core of exchange and production economies in which agents are asymmetrically informed about states of nature. Information is modelled as part of the commodity space. When an agent joins a coalition, his information may change according to an information rule. It is shown...