Dangerous Metaphors

Uneasy Money

A couple of days ago, I wrote post gently (I hope) chiding Olivier Blanchard for what seemed to me to be a muddled attempt to attribute inflation to conflicts between various interest groups (labor, capital, creditors, debtors) that the political system is unable, or unwilling, to resolve,leavin, those conflicts to be addressed, albeit implicitly, by the monetary authority. In those circumstances, groups seek to protect, or even advance their interests, by seeking prices increases for their goods or services, triggering a continuing cycle of price and wage increases, aka a wage-price spiral.

My criticism of Blanchard wasn’t that the distributional conflicts that worry him don’t exist — they obviously do — or are irrelevant — they clearly aren’t, but that focusing attention on those conflicts tells us very little about the mechanisms that generate inflation: the macroeconomic policies (monetary or fiscal) under the control of governments and central banks. We…

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