deletions | additions       diff --git a/Organ_donation_Kidney_donation_markets__.md b/Organ_donation_Kidney_donation_markets__.md  index 2503da4..93fac43 100644  --- a/Organ_donation_Kidney_donation_markets__.md  +++ b/Organ_donation_Kidney_donation_markets__.md 
...
I should try to donate blood again, I have the rare giver blood type like Mad Max (at least as defined in Fury Road).   Convention=assume the "no net gaint" gain"  trade = trade for the fifth kidney is made market (equilibirum) outcome and role of competition between suppliers and between demanders. 
...