TORONTO, Oct 9 (Reuters) - Bank of Canada Governor Tiff Macklem said there is scope to slow the economy based on an "exceptionally high number" of job vacancies in the labor market.But he assured Canadians that monetary policy is working and he expected inflation to return to the central bank's 2% target by 2024."When we look at the economy right now, there is an exceptionally high number of vacant jobs ... that's a clear signal that there is scope to slow the economy, without a lot of people put out of work," he added.Canadian employers were actively looking to fill nearly 1 million jobs as of July, data released on Friday showed, while the job vacancy rate dropped to 5.4% in July, from a peak 6.0% in April 2022. read moreThe Bank of Canada has raised its benchmark interest rate by 300 basis points since March, one of its steepest and fastest tightening cycles ever."Let me be clear, what we don't want is ... inflation and wages to become unmoored to our 2% objective, because if that happens, then we are actually going to need to slow the economy a lot more to get the inflation back to 2%."