... changing, so that the only information conveyed by any price level movement is information concerning the central bank's failure to maintain a stable value of nominal spending An analogy may ... norm, and so does nothing (assuming a fixed 'natural' rate of factor input) other than maintain a stable level of aggregate spending In this case, unit production costs fall, meaning that more ... in certain classical and New Classical writings, that changes in the stock of or demand for money can lead to instantaneous, uniform and transparent adjustments in all money prices, without altering...