Healthy competition is an integral part of a market based economy. Most countries therefore have a strong legal and regulatory framework to promote fair competition. This article by Dr John Small raises doubts about whether NZ has such a framework. http://small-torque.blogspot.co.nz/2017/07/competition-update-no-we-still-dont-care.html?m=1
Given that NZ milk is cheaper to buy in the UK than in Johnsonville perhaps our competition framework needs an overhaul.