A paper from the Reserve Bank of NZ entitled “Can global economic conditions explain low New Zealand inflation?” by Adam Richardson, was published today.
While international economic factors help explain the vast majority of why inflation in New Zealand is currently low, they do not shed additional light on the small portion of low inflation that is difficult to explain. Instead, domestic specific factors likely help account for the unexplained component of CPI inflation and this is a current focus of internal research at the Bank.
Inflationary pressure in New Zealand has been persistently low since the onset of the global financial crisis. This can be seen in the New Zealand economy in two major ways. First of all, the Official Cash Rate has remained low in New Zealand for a number of years, currently sitting at 3.50 percent. Interest rates have remained low in order to support growth and keep the outlook for future inflation consistent with the target mid-point.
Second, the weak inflationary environment can be seen in inflation itself. Since 2012, core consumers’ price index (CPI) inflation has averaged 1.4 percent – within the Bank’s target range, but below the 2 percent mid-point.
Even when accounting for developments in the international economic environment and New Zealand’s own economic conditions, inflation in New Zealand is a little weaker than the Bank’s usual modelling frameworks would suggest. That is, with the benefit of hindsight, there remains a portion of current low inflation outturns that is difficult to account for.
Overall, this unexplained portion of current low inflation is modest, in comparison to the usual level of uncertainty and the contribution international economic factors have made to current low inflation. However, it is important for the Bank to investigate potential explanations, so we can make fully informed policy decisions.
Note: The Analytical Note series encompasses a range of types of background papers prepared by Reserve Bank staff. Unless otherwise stated, views expressed are those of the authors, and do not necessarily represent the views of the Reserve Bank.
