We develop a tractable model in which trade is generated by asymmetry in agents' information sets. We show that, even if news are not generated by a stochastic volatility process, in the presence of information treatment and/or order processing costs, the (unique) equilibrium price process is...

In the past employee interest and influence have been presented mainly through trade unions and collective bargaining (economic regulation). Socially optimal levels of co-determination may be prevented by the existence of high fixed costs of establishing councils. Job security can resolve the...