When the asset market is incomplete, there typically exist taxes on trades in assets and a redistribution of revenue in the asset market that are Pareto improving. <p> The policy is anonymous, it economizes on complexity, and it results in ex post Pareto optimal allocations, it is publicly...</p>

We propose an extension of the standard general equilibrium model with production and incomplete markets to situationsin which (i) private investors have limited information on the returns of specific assets, (ii) managers of firms have limited information on the preferences of individual...