IN 1961 THE Federal Reserve Board authorized a change in the maximum rates commercial banks could pay on time deposits. This change in the ceiling rates was shortly followed by a substantial increase in commercial-bank time deposits. The purpose of this study was to examine the impact of this change in the ceiling rate and to evaluate the use of changes in Regulation Q as a policy instrument. Any policy move of this type is considered expansionary, in the context of the study, if it lowers the rate of return on the ownership of real capital that the economy requires to induce it to hold the given capital stock. Individual bank behavior concerning deposit-rate determination and portfolio selection under varying liability structures is examined. A theoretical model is then developed which shows that a rise of the rate paid on time deposits will result in an increase in the amount of outstanding short-term government debt, a decline in the rate charged on bank loans, and a decline of the rate of return on capital. It is assumed that the authorities have as a policy goal stability of the Bill rate. The results of this model were then tested using data that related to the December 1961 change in the deposit-rate ceiling. The results show that a majority of time deposits in commercial banks were capable of earning higher deposit rates than was formerly possible. As a result of these higher deposit rates, banks experienced large increases of time deposits relative to demand deposits. The growth of time deposits freed reserves which permitted an expansion of total bank reserves. Because of the lower volatility of time deposits vis-a-vis demand deposits, the banks were able to expand their holdings of longerterm, less liquid assets. The increased buying of long-term assets by the banks coupled with the normal investment flows of other sectors forced a decline of longterm rates. The decline of these long-term rates encouraged borrowing for increased capital-stock expansion. Thus the change in deposit rates allowed the Federal Reserve to twist the yield curve during 1962. It was concluded that power to regulate deposit rates was an effective instrument of monetary control. It was further concluded that changing deposit-rate ceilings may, in some instances and with particular asset markets, prove more effective than the use of Open Market Operations alone.
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