This paper examines the evidence for two of the relationships that underpin (explicitly or implicitly) much of international macroeconomics. The first is purchasing power parity (PPP), or the hypothesis that there exists a constant long-run equilibrium real exchange rate. The second establishes...

During the second half of the 1990s the US economy was characterised as the Goldilocks economy: not too hot, nor too cold, but just right. It was argued that this represented a new paradigm, enabling unemployment to remain low without igniting inflationary pressure. In this paper the evidence...

Intertemporal models of the current account suggest that temporary income shocks are fully reflected in a country's net foreign asset position, so that agents invest abroad any savings generated by a positive income shock. On the other hand, a stylised fact in international economics is that...

This paper explains what is meant by the concept of equilibrium exchange rates. It argues that a variety of equilibrium exchange rates can be defined and their behaviour will vary according to different definitions of the exchange rate, and over short, medium and long-term horizons. It...