With high inflation, firms must change their prices often to keep up with economy-wide changes. But often changing prices is itself a costly activity whether explicitly, as with the need to print new menus, or implicitly, as with the Em excesso time and effort needed to change prices constantly. [18] https://inflao50890.blue-blogs.com/23038675/ajudar-os-outros-perceber-as-vantagens-da-inflação