When local businesses experience stronger sales and profitability they have a greater capacity to pay their expenses in a timely fashion, which in turn returns finance back into circulation providing a positive knock-on effect through to the entire economy, Martin said.
"Our forecasts are for New Zealand's key economic measures to continue improving this year, and consequently we also expect to see consolidation of this trend of faster business payment times," he said.
The forestry sector was the fastest to settle accounts, with payments by the country's third largest export sector improving to an average of 33 days.
While smaller operations recorded faster invoice payment times, larger companies bucked the trend over the final three months of 2013, with average payment times slowing compared to the previous year.