The 2008 financial crisis did not precipitate global retaliatory trade intervention, in seeming contrast to the Great Depression in 1930s. This paper discusses the influence of model structure in optimal tariff (OT) calculations in explaining this puzzle. We emphasize how earlier literature...

This paper critically reviews the literature which explains why and under which circumstances governments accumulate more debt than it would be consistent with optimal fiscal policy. We also discuss numerical rules or institutional designs which might lead to a moderation of these distortions