“…In order to evaluate this hypothesis, the paper compares two competing empirical specifications across all OECD economies, where competing specifications correspond to the ‘former’ and ‘new’ specification for deriving measures of the unemployment gap which underlie the OECD’s
Economic Outlook projections. The former OECD specification can be characterised as a traditional ‘backward-looking’ Phillips curve, where current inflation is partly explained by an autoregressive distributed lag process of past inflation representing both inertia and inflation expectations formed on the basis of recent inflation outcomes. …”
TEXT