Yes, the derivative is the inflation rate. If we want to talk about that, why not look at a graph of that instead? And assuming we can't for some bizarre reaso

Yes, the derivative is the inflation rate. If we want to talk about that, why not look at a graph of that instead? And assuming we can't for some bizarre reason, the log graph is better at comparing inflation rates, huh? So in which graph do you spot the 1665 to 1945 price stability first?