This paper studies the optimal insurance contract under disappointment theory. We show that, when the individuals anticipate disappointment, there are two types of optimal insurance contract. The first type contains a deductible and a coinsurance above the deductible. We find that zero marginal...

Two models are examined in this study, namely, one incorporating exogenous investment and one incorporating endogenous investment and R&D uncertainty. A lump-sum subsidy results in larger net tax revenues than does lowering the profit tax rate in the former model, while this may not be the case...

We introduce a new channel called random delay effect, through which volatility influences real investment. We show that random delay effect is not negligible in determining the sign of the volatility-investment relationship.