%0 Journal Article %A Luke Semrau %T Understanding choice, pressure and markets in kidneys %D 2019 %R 10.1136/medethics-2019-105781 %J Journal of Medical Ethics %P medethics-2019-105781 %X Here, I briefly respond to a recent paper by Julian Koplin, in which he criticises my earlier work in this journal. I show that Koplin has misunderstood the distinction I have made between pressure to vend and pressure with the option to vend. I also show that his pessimism about the market regulations I favour is unwarranted. %U https://jme.bmj.com/content/medethics/early/2019/09/16/medethics-2019-105781.full.pdf