In theory, you should be able to get the same answer both ways, because they represent the same concept. In practice, I agree that you would get different answers because of the kinds of issues you’re bringing up around what you choose to include in the basket and how you adjust for quality/​substitution
In theory, you should be able to get the same answer both ways, because they represent the same concept. In practice, I agree that you would get different answers because of the kinds of issues you’re bringing up around what you choose to include in the basket and how you adjust for quality/​substitution