Research Report 448 Wider economic impacts of transport investments in New Zealand

Published: Sep 2011

This paper develops a methodology and evidence to enable the assessment of wider economic impacts of transport. Quantifying these wider economic impacts is important as they are likely to be non-trivial in magnitude and they are currently excluded from the current appraisal methods. The paper derives New Zealand-based values of key parameters on imperfect competition benefits, increased competition benefits, labour supply benefits and job relocation benefits. The methodology and the key parameters are then applied to a transport project to demonstrate how the wider economic impacts can be quantified.