Banks and Monetary Policy: the Mechanics of Interest Rates Setting

We hear a lot about interest rates, and not only in myprescribed percentages of their checkable deposits.
professional field of expertise. Interest rates areCompliance with the requirements is regularly tested,
everywhere to be found in our daily lives: credit cardevery two weeks for banks accounting for the bulk of
interest, interest on deposits, car loan interest, personaldeposits. Reserve tests are the fulcrum of monetary
loan interest, treasury bond interest. The other day Ipolicy. Banks need "federal funds" (currency or
received a spam e-mail that said: "Need new socks ?deposits at Federal Reserve System) to pass the
Apply for our Family Loan - competitive interest rates".reserve tests, and the Fed controls the supply. When
Since I am single and own approximately fifty pairs ofthe Fed buys securities from banks or their depositors
socks - they seem to be the preferred Christmaswith base money, banks acquire reserve balances.
present in my household - I decided not to push theLikewise the Fed extinguishes reserve balances by
'Click Here' button. But just what are the mechanics ofselling Treasury securities. These are open-market
interest rate setting? Who decides which interest rateoperations, the primary modus operandi of monetary
to charge to whom - and how?policy. A bank in need of reserves can borrow
Paul Volcker, while chairman of the Board ofreserve balances on deposit in the Fed from other
Governors of the Federal Reserve System (1979-87),banks. Loans are made for one day at a time in the
was often called the second most powerful person in"federal funds" market. Interest rates on these loans
the United States. Volcker triggered the "double-dip"are quoted continuously. Central Bank open-market
recessions of 1979-80 and 1981-82, vanquishing theoperations are interventions in this market. Banks can
double-digit inflation of 1979-80 and bringing thealso borrow from the Federal Reserve Bank at the
unemployment rate into double digits for the first timeannounced discount rate. The setting of the discount
since 1940. Volcker then declared victory over inflationrate is another instrument of central bank policy.
and piloted the economy through its long 1980sNowadays it is secondary to open-market operations,
recovery, bringing unemployment below 5.5 percent,and the Fed generally keeps the discount rate close to
half a point lower than in the 1978-79 boom and helpingthe federal funds market rate. However, announcing a
Ronald Reagan convert the American people tonew discount rate is often a convenient way to send
Reaganomics. Volcker was powerful because he wasa message to the money markets.
making monetary policy. Central banks are powerfulHow is the Fed's control of money markets
everywhere for the same reason, although few aretransmitted to other financial markets and to the
as independent of their governments as the Fed is ofeconomy? How does it influence spending on goods
Congress and the White House. Central bank actionsand services? To banks, money market rates are
are the most important government policies affectingcosts of funds they could lend to their customers or
economic activity from quarter to quarter or year toinvest in securities. When these costs are raised,
year.banks raise their lending rates and become more
Monetary policies are technically demand-sideselective in advancing credit. Their customers borrow
macroeconomic policies. They work by stimulating orand spend less. The effects are widespread, affecting
discouraging spending on goods and services.businesses dependent on commercial loans to finance
Economy-wide recessions and booms reflectinventories; developers seeking credit for shopping
fluctuations in aggregate demand rather than in thecenters, office buildings, and housing complexes; home
economy's productive capacity. Monetary policy triesbuyers needing mortgages; consumers purchasing
to damp, perhaps even eliminate, those fluctuations. It isautomobiles and appliances; credit-card holders; and
not a supply-side instrument. Central banks have nomunicipalities constructing schools and sewers. Banks
handle on productivity and real economic growth. Acompete with each other for both loans and deposits.
central bank is a "bankers' bank." The customers ofBecause banks' profit margins depend on the
the Federal Reserve Bank are not ordinary citizens butdifference between the interest they earn on their
"banks" in the inclusive sense of all depositoryloans and other assets and what they pay for
institutions--commercial banks, savings banks, savingsdeposits, the two move together. Thanks to its control
and loan associations, and credit unions. They areof money markets and banks through monetary policy,
eligible to hold deposits in and borrow from the Federalthe Fed influences interest rates, asset prices, and
Reserve System and are subject to the Fed's reservecredit flows throughout the financial system. Arbitrage
requirements and other regulations. The sameand competition spread increases or decreases in
relationship exists in Canada between the Bank ofinterest rates under the Fed's direct control to other
Canada and the individual banking institutions.markets including, of course, real estate.
Banks are required to hold reserves at least equal to