Recent theoretical work shows that changes in the volatility of inflation and/or unem-ployment affect equilibrium in … propositionthat the volatility of unemployment helps explain inflation outcomes suffers from a spu-rious regression problem. Once this … problem is controlled for, the evidence suggeststhat the volatility of unemployment does not help explain inflation outcomes …

. Volatility decreases with openness tointernational trade and per capita GDP, and increases with inflation, particularlyunder a …

" – although they generate price inertia, they cannot account for thestylised fact of inflation persistence. It is thus commonly … asserted that, in the context of thenew Phillips curve (NPC), inflation is a jump variable... …

We examine the global dimension of inflation in 24 OECD countries between 1980 and 2007in a traditional Phillips curve … affect inflation through (the common part of) domestic demand and supplyconditions. Our most important result is that the … common component of changes in unit laborcosts notably affects inflation. We also find evidence that movements in import …