It may sound good. The trouble is, there's no deflation spiral. There is no relationship between the economic growth and consumer price inflation at all in the long run. Below there is the history of growth and inflation in Britain from 1831 to 2009.
You can't see any deflation spiral, can you? Now, let's examine the more recent history, from 1948 to 2009. Would you expect a more clear relationship?
Quite interestingly, there is some weak relationship between the two variables. However, it goes the opposite way mainstream economic theory would suggest. Remarkably, high inflation has been associated with poor economic performance.
Mainstream economics, which is followed by major central bankers and other policymakers, is wrong throughout.