It is well known that a consumer price-neutral reform of consumption taxes and import tariffs is welfare-improving. This paper shows that such price controls are inferior to quantity controls in terms of welfare improvement. The paper next turns to a comparison of different abatement strategies....

The paper shows that, under certain conditions, international technical assistance enriches the recipient country through environmental clean up and terms of trade gain. By contrast, it leaves the donor country worse off through terms of trade loss. This is shown by means of a two-country...

Tied aid invites a Pareto-improving situation in the presence of environmental externalities. Under certain conditions, although the aid recipient government's marginal propensity to consume the purchased good is lower or higher than the corresponding marginal propensity of the aid recipient...

This paper shows that a consumption-neutral tax reform is a promising alternative to a revenue-neutral tax reform when the distortions introduced by tax hikes are very large and when governments seek revenues in the course of tax changes.