@KaiserKitty @Elliptica @Frondeur @IAMAL_PHARIUS @KingOfWhiteAmerica They're real variables and have to be considered for all this. That they sum to one is, again, just a starting point in the whole process.
What's your alternative? Pretend for real there's no elasticity invoked by changing formal and informal tariffs rates?
Did the whole equation result in desired or necessary results for Team Trump or not?