We show that a firm can increase expected profits by undertaking the additional expense of paying unemployment compensation to the workers it lays off, if they are risk averse. When this argument is applied to the implicit contract models it makes the involuntary unemployment derived there...

Sufficient conditions are given for large replica games without side payments to have non-empty approximate cores for all sufficiently large replications. No "balancedness" assumptions are required. The conditions are superadditivity, a very weak boundedness condition, and convexity of the...

The purpose of this paper is to consider the problem of optimal income taxation in the domain of progressive (convex) income tax function. This paper proves the existence of an optimal tax function and that the optimal marginal and average tax rates tend asymptotically to 100 percent as income...