The Keynesian multiplier effect is reinterpreted and several issues that may have misled assessments of the effect of fiscal spending are discussed. It is shown that even in the textbook Keynesian framework some transfer policy ‘reduces’ aggregate demand and that public works spending may...

Using a dynamic optimization model of a monetary economy where persistent unemployment can prevail, we examine the effects of environmental policies on consumption and pollution emissions in a full-employment and a stagnant economy. If full employment prevails, environmental policies such as...

In a simple continuous-time model where the learning process affects the willingness to hold liquidity, we provide an intuitive explanation of business cycle asymmetry and post-crisis slow recovery. When observing a liquidity shock, individuals rationally increase their subjective probability of...

Why do advanced economies fall into prolonged periods of economic stagnation? What is the role of asset prices and private sector indebtedness for the transition to and the severity of stagnation? In this paper, we present a stylized money-in-the- utility model with a housing sector and...

Global warming is a serious and acute threat to our planet, but, when negotiating the allocation of permissible carbon emissions, conflicts of interest exist between developed and developing countries. Developing countries insist that global warming is the result of prolonged pollution emissions...