He got Lucius Malfoy to give him a huge sum of money in exchange for admitting something true at no cost to himself, and gained goodwill from Lucius in the process (which set up for his subsequent conditional alliance), and probably left Lucius feeling he’d got the better side of the deal. All in a matter of minutes.
Personally, I find that somewhat more interesting than half a chapter of watching Harry mess about with economics.
He got Lucius Malfoy to give him a huge sum of money in exchange for admitting something true at no cost to himself, and gained goodwill from Lucius in the process (which set up for his subsequent conditional alliance), and probably left Lucius feeling he’d got the better side of the deal. All in a matter of minutes.
Personally, I find that somewhat more interesting than half a chapter of watching Harry mess about with economics.