We develop simple diagrams that can be used by undergraduates to understand interest rate setting by policy-makers. We combine an inflation target, Fisher equation, policy reaction function and short and long run aggregate supply analysis to give a depiction of the policy problem. We illustrate...

Price-level determination requires co-ordination of monetary and fiscal policy to ensure a unique rational expectations equilibrium (REE). This paper derives a number of implications for simple interest rate rules resulting from various fiscal strategies. We show that fiscal choices under either...

I outline a simple roadmap for work in micro-founded models. Rather than abandoning the route to further micro-foundations and returning to ad hoc economics, the techniques we have used over the past two decades to develop micro-founded business cycle models will allow us to develop models with...

In the crises of the past fifteen years, central bankers have become big public players in a drama that affects all our lives, involving financial market crashes, public health threats and devastating economic downturns. Having played a lead role in the global financial crisis and the...