It is common to observe that demand elasticities in trade equations for imports are implausibly large, and that they differ between countries. Both of these present us with problems, as they imply trade will rise without bound as a proportion of GDP. The research reported here looks for...

New Keynesian Phillips Curves (NKPC) have been extensively used in the analysis of monetary policy, but yet there are a number of issues of concern about how they are estimated and then related to the underlying macroeconomic theory. The first is whether such equations are identified. To check...