The Lucas critique has exposed the problem of the trade-off between changes in monetary policy and structural breaks in economic time series. The search for and characterisation of such breaks has been a major econometric task ever since. We have developed an integral technique similar to CUSUM...

Potential links between inflation and unemployment in Canada have been examined. No consistent Phillips curve has been found likely due to strong changes in monetary policy of the Bank of Canada. However, there were two distinct periods where linear links between inflation and unemployment could...