GDP is an abstract measurement of other things that, itself, has no causal effect on anything. Yes, population can increase while GDP decreases. And spending on

GDP is an abstract measurement of other things that, itself, has no causal effect on anything. Yes, population can increase while GDP decreases. And spending on things also does not just naturally increase. It increases if, and only if, there is more spending on it. And no, classifieds are not like modern advertising and you clinging onto this reflects that you are not arguing in good faith.