Each year Taituarā commissions BERL to produce forecasts of movements in key local government input costs and an overall cost index. BERL uses its Computable General Equilibrium model of the economy to forecast the overall level of economic activity, investment activity, and macroeconomic indicators, from which movements in key input prices are derived.
Forecasts of Price Level Change Adjustors – 2013 Update (PDF 578 kb)