----------------- HES POSTING -----------------
Thomas M. Humphrey, in his article entitled "The Quantity Theory of Money:
Its Historical Evolution and Role in Policy Debates", defines the QTM as a
hypothesis based ultimately on five fundamental propositions. He begins
his statement on the causal role of money, the second proposition, as
follows:
"A second key proposition of the quantity theory states that the direction
of causality or channel of influence runs from M to P, i.e., monetary
changes precede and cause price level changes."
A strict Quantity Theorist would conclude that the popular textbook case
depicting a sustained rise in the price level through a "ratification" or
monetary validation of an adverse supply shock is, in fact, a classic case
of misperceiving a relative price change for a change in the "absolute"
level of money prices. If we define the QTM in terms of the EOE model,
then, say, with M, V and T as given, an adverse supply shock would set in
motion a "teeter-totter" effect amongst the set of relative prices and, as
a result, the aggregate price level would remain unchanged.
The QTM in its traditional garb has always been unrelenting in its
opposition to cost-push theories, that is, placing movements in money
prices prior to movements in money. Any attempt to define modern
monetarism as a furtherance of the QTM, which I believe it must be, would
have to fully accept Humphrey's second proposition as "key" to the theory
and reject any variety of P to M causality.
Chas Anderson
------------ FOOTER TO HES POSTING ------------
For information, send the message "info HES" to [log in to unmask]
|