Media Inflation Index

METRO RADIO: Annual inflation rate to April 30: 13.5%

The cost for a full radio advertising schedule in the main centres increased by nearly 11%, mainly due to an increased number of surveyed stations in Auckland and Dunedin. When compounded with reduced audience levels for surveyed commercial

Inflation was lower in the Wellington and Christchurch markets, with smaller cost increases and little or no audience loss.

Less listening overall and higher costs resulted in high levels of inflation in the Auckland and Dunedin markets, which impacted strongly on the overall figure.

The Clemenger BBDO media inflation index for Auckland, Waikato, Wellington, Christchurch and Dunedin radio measures the change in the cost per audience. Audience figures are from Research International and advertising rates are supplied by The Radio Bureau and do not include network or combination buys. As a basket-of-goods measure, it may not reflect the specific media buying of all advertisers.