In this paper we consider the entry and exit of firms in a Ramsey model with capital and an endogenous labour supply. At the firm level, there is a fixed cost combined with increasing marginal cost, which gives a standard U-shaped cost curve with optimal firm size. The costs of entry (exit) are...

This paper examines in how far the DSGE model which is often dubbed the New Keynesian Consensus is compatibel with a Post-Keynesian or traditional Keynesian understanding of the economy. It is argued that while at first sight DSGE models seem to include a lot of traditional Keynesian or even...

In this paper we develop a general model of an imperfectly competitive small open economy. There is a traded and non-traded sector, whose outputs are combined in order to produce a single final good that can be either consumed or invested. We make general assumptions about preferences and...

Should the government run fiscal deficits in response to an adverse external shock that warrants transfer of resources from production of non-traded to traded goods? This paper considers normative fiscal policy implications of sectoral adjustment costs in a two-sector model with overlapping...

This paper examines the pricing of public debt in a quantitative macroeconomic model with government default risk. Default may occur due to a fiscal policy that does not preclude a Ponzi game. When a build-up of public debt makes this outcome inevitable, households stop lending such that the...