speeches · September 28, 2006
Speech
William Poole · President
Data Dependence
MiddleTennesseeStateUniversity
AnnualEconomicOutlookConference
Murfreesboro,Tennessee
September29,2006
PublishedintheFederalReserveBankofSt.LouisReview,March/April2007,89(2),pp.77-83
Iam very pleased to participate in the SOME BACKGROUND
AnnualOutlookConferencehereatMiddle
Morethanthreeyearsagonow,inJune2003,
Tennessee State University. However, per-
theFederalOpenMarketCommittee(FOMC)set
haps strangely, I’ll not say much about the
itsfederalfundsratetargetata40-yearlowof1
outlook. Others are better qualified than I to dis-
percent,completing,asitturnedout,aseriesof
cussthatsubject.MytopicishowtheFedadjusts
reductionsfromarateof6½percentin2000.The
policy when the economy departs from the cen-
policystatementaccompanyingthechangeinthe
traltendencyoutlook.Ofcourse,forecasterscom-
policytargetconcludedwithaconcernaboutan
monly have somewhat different views, but each
“unwelcomesubstantialfallininflation.”The
forecaster’scentraltendency,orbaseline,forecast
declineintheinflationratewasonlyoneofa
provideshisorherbestguessastohowtheecon-
stringofsurprisestowhichtheFOMCreactedas
omy will evolve. However, forecasters also need
itbroughtitstargetratedown.Themostshocking
to be able to say something about probabilities
ofthesurprises,ofcourse,wastheterroristattack
of other outcomes. The probability distribution
ontheUnitedStatesonSeptember11,2001.It
of possible outcomes is substantially affected by
wouldbetimeconsuming,butnotdifficult,to
policy responses to deviations from the baseline recountthishistory,pointingtothedatareleases
outlookifandwhenthosedeviationsoccur.And, andeventsthatledtheFOMCtoreduceitstarget
although I say “if and when,” everyone in the ratebetweenearly2001andJune2003;suchan
forecasting business knows that our knowledge accountwouldprovideaclearillustrationofwhat
offorecasterrorsrequiresthatweputmuchmore ismeantby“datadependence.”
weight on the “when” than the “if.” Theroughlytwo-yearperiodafterJune2003
TheviewsIexpressherearemineanddonot wasquitedifferentinthesensethatmonetary
necessarilyreflectofficialpositionsoftheFederal policydoesnotappeartohavebeenverydata
ReserveSystem.Ithankmycolleaguesatthe dependent.FollowingitsmeetingonAugust12,
FederalReserveBankofSt.Louisfortheircom- 2003,theFOMCissuedastatementthatsaid,
ments.BillGavin,vicepresidentintheResearch amongotherthings,that“theCommitteebelieves
Division,providedspecialassistance. thatpolicyaccommodationcanbemaintained
Letmealsonoteattheoutsetthatthisspeech foraconsiderableperiod.”Thefundsratetarget
issomethingofacompaniontoanotherspeechI remainedat1percentforafullyear.Theeraofa
gaverecently,“UnderstandingtheFed,”which 1percenttargetendedwhentheFOMCraisedthe
waspublishedintheSt.LouisFed’sReviewand targetto1¼percentonJune30,2004,apolicy
isavailableonourwebsite.1 adjustmenttheFOMChadsignaledatitsprevious
1 WilliamPoole,“UnderstandingtheFed,”FederalReserveBankofSt.LouisReview,January/February2007,89(1),pp.3-13;
http://research.stlouisfed.org/publications/review/past/2007/.
1
MONETARYPOLICYANDINFLATION
meetinginMay.Bythen,astheeconomy’srecov- outtobeagoodtimetopausetotakestockof
erycontinued,therewasnodoubtthattheFOMC wheretheeconomystoodandthelikelycourse
wouldhavetoraiseitspolicytargetbyasubstan- ofeventsgoingforward.WhethertheAugustdeci-
tialamounttosupportitslong-terminflation siontoholdthetargetfundsrateunchangedwill
objective. turnouttobeapauseintheprocessofraising
Ineachofthenext16consecutivemeetings, rates,alonger-lastingstop,oreventhepeak,will
theFOMCvotedtoraisethetargetforthefederal dependontheeconomy’sevolutionincoming
fundsrateby25basispoints,finallypausingat5¼ months.
percentinAugustof2006.Itappearedtosome
thatpolicywasonautopilot,astheFOMCraised
thetargetby25basispointsmeetingaftermeeting, THE MODEL
apparentlyindependentofincominginformation.
Tooperatemonetarypolicyeffectivelyand
Thatview,Ibelieve,wasmistaken.Whenthe
tounderstandhowpolicyactionsaffecttheecon-
FOMCbegantheseriesofrateincreases,inJune
omy,theFederalReservereliesheavilyoneco-
2004,thestatementincludedthissentence:
nomictheorydevelopedoverthespanofmany
“Nonetheless,theCommitteewillrespondto
decades.Thetheoreticalframeworkiscompli-
changesineconomicprospectsasneededtofulfill
catedinitstechnicalformandimplementation
itsobligationtomaintainpricestability.”Similar
butquitestraightforwardinitsbare-bonesabstract
languagehasappearedineverystatementsince,
framework.Therealeconomyevolvesalonga
andtheminutesofthemeetingshaveemphasized
trendthatisbuffetedbyavarietyofeconomic
thesamepoint.Whathappenedoverthe18
shocks.Inflationevolvesalongatrendthatis
monthsafterJune2004was,basically,thatincom-
determinedbymonetarypolicyandalsobuffeted
ingdataindicatedthattheeconomywassoclose
bythesesameeconomicshocks.Althoughthese
tothetrackexpectedearlierthattherewasnorea-
shocksdrivethebusinesscycleandmakethe
sontodepartfromthe“measuredpace”ofrate
near-termuncertain,expectationsaboutlonger-
increasesof25basispointsateverymeeting.
Mypurposetodayistodiscussinasystematic termtrendsinbothrealoutputgrowthandinfla-
fashionthedependenceofpolicyonnewinfor- tionhavebecomequitestable.
mation.Icangiveyouafeel,thoughnotaformula, Long-runoutputgrowthhasalmostalways
forwhypolicydecisionsaresometimesmoredata beenfairlypredictablebecauseitstrendisdeter-
dependentthanatothertimes.Whenthetarget minedbythetrendsinthegrowthofrealfactors
ratewasat1percent,oronlymodestlyabove,it suchasthelaborforce,thecapitalstock,andthe
wasclearthatrateshadtorise,butasufficiently leveloftechnologyinscience,industry,and
largesurprisewouldhaveledtheFOMCtostop, management.Thesetrendsevolveslowly;since
slow,oracceleratetheincrease.Intheevent,data WorldWarII,realgrowthhasfluctuatedaround
surpriseswereminimalandtheFOMCraisedthe a3½percentaverageandforecastsoffuture
targetby25basispoints17timesinarow.Increas- growthtendtobecenteredonthatnumberor
ingly,though,astheFOMCraisedthetargetfunds perhapssomewhatlowerbecauselaborforce
rate,policymakersbecamemoresensitivetothe growthisslowingasbabyboomersretire.
possibilitythatdatasurprisescouldalterthe Inflation,ontheotherhand,hasnotalways
policycourse.Asitturnedout,thedecisionto beensopredictable.Before1987,therewerewide
stopraisingrateswasdetermined,inmymind, swingsintheinflationtrendand,unlikethecase
lessbydatasurprisesthanbytheeconomy’sslow- forrealgrossdomesticproduct(GDP),long-
ingmoreorlessashadbeenexpectedmany horizonforecastsofinflationwereactuallymore
monthsbefore.TheAugustFOMCmeetingturned uncertainthanshort-horizonforecasts.2Today,
2 SeeStephenK.McNees,“HowAccurateAreMacroeconomicForecasts?”FederalReserveBankofBostonNewEnglandEconomicReview,
July/August1988,pp.15-36.
2
DataDependence
afteraquartercenturyofeffortbytheFedto suchadvanceisonthehorizon;butevenifitwere,
activelycontaininflation,inflationhasalso itwouldnotbeanexceptiontotherulethatthe
becomemorepredictableoverallhorizons;and policyobjectiveshouldbeindependentofincom-
forecastsoverlongerhorizonsarenowmuchmore inginformationaboutthecurrentstateofthe
accuratethanthoseovershorterhorizons.3Evi- economy.Thepolicyobjectivedeterminesthe
dencethatlong-terminflationhasbecomemore long-runinflationtrendinourmodeland,more
predictableisimportant,becauseitmeansthat importantly,thenominalanchorfortheeconomy.
theFedhasfoundawaytoanchortheinflation Thereactionofpolicytoincomingnews
trend. dependsonthestateoftheeconomyrelativeto
Thus,ourbasicmodelisofaneconomyin thetrends.Theprivatesectorneedstoknowthe
whichbothrealgrowthandtheinflationrateare FederalReserve’sinflationobjectivesothatit
buffetedbyeconomicshocksintheshortrunbut knowshowtoviewfluctuationsaroundthetrend.
thentendtoreturntopredictablelong-termtrends. Recently,severalindividualFOMCmembers
Thefluctuationsofbothoutputandinflation havecharacterizedthelong-runinflationgoalas
aroundtrendshavemoderatedagreatdealover
a“comfortzoneof1-2percentinflation”asmeas-
thepast25years,partlyandimportantlybecause
uredbyinflationinthechainpriceindexforper-
ofbettermonetarypolicy.Thisbetterpolicyis
sonalconsumptionexpenditures.Althoughthe
duetotheFedconcentratingonitsobjectivefor
FOMCitselfhasnotadoptedaformal,quantita-
long-runpricestabilitythroughamoresystematic
tiveinflationobjective,severalmembers,includ-
reactiontoincominginformationabouttheeco-
ingme,havesaidthattheybelievethatgreater
nomicshocks.
clarityaboutthelong-runobjectivewouldhelp
Atonetime,manyeconomistsbelievedthat
boththeCommitteeandthemarketstomakemore
therewasaninherenttensionbetweenstabilizing
informeddecisions.
inflationandstabilizingtherealeconomy.Over
Itismucheasiertoagreeonalong-runinfla-
thepast25years,wehavelearnedthatacondi-
tionobjectivethanonshort-runpolicyactions
tionforstabilizingtherealeconomyisstabilizing
consistentwiththeobjective.Thereisagreement
long-runinflationexpectations.Thus,oneofthe
ontwoconflictingprinciples.First,itisalltoo
mostimportantthingstounderstandaboutthe
easytooverreacttoshort-rundevelopments.
dependenceofmonetarypolicyactionsonarriving
Agreementonthatprincipleisreflectedinthe
informationisthattheFederalReservehasadeep
FOMC’semphasisoncoreinflation—inflation
commitmenttoachievingalong-runoutcomefor
measuresexcludingvolatilefoodandenergy
inflationthatisinaccordwithitspricestability
prices—asaguidetoshort-runpolicy.Moreover,
objective.Putanotherway,short-runpolicyis
above-trendinflationmaybeacceptableunder
stronglymotivatedbylong-runconsiderations.
somecircumstances,providedweareconfident
thatpastpolicyactionshavebeensufficientto
slowinflationinthefuture.Nevertheless,there
MONETARY POLICY
isalsoagreementonasecondprinciple:Itisall
Afundamentalcomponentofmonetarypolicy tooeasytoallowwishfulthinkingoninflation
isthedecisionaboutthelong-runpolicyobjective todelaynecessarytoughpolicydecisions.The
forinflation.Thisaspectofpolicyshouldnotbe FOMCdoesitsbesttomaketherightchoices
datadependent.Itispossiblethatanadvancein when,asisoftenthecase,“alltooeasytooverre-
economicknowledgewillteachthatweshould act”collideswith“alltooeasytoallowwishful
haveadifferentlong-runinflationobjective.No thinkingoninflation.”
3 Seeevidenceonforecasterrorsover3-,12-,and24-monthintervalsfrom1997through2006inWilliamT.GavinandKevinL.Kliesen,
“ForecastingInflationandOutput:ComparingData-RichModelswithSimpleRules,”FederalReserveBankofSt.LouisWorkingPaper
2006-054A,September2006.
3
MONETARYPOLICYANDINFLATION
Inonesense,long-runpolicyistheaccumu- Reserveisgoingtododependsonwhatthemarket
lationofindividualshort-runpolicydecisions. andtheeconomyareanticipatedtodo.Thefull
However,ifindividualdecisionsreflectonlyreac- rationalexpectationsmacroeconomicequilibrium
tionstoshort-rundevelopmentsintheeconomy, occurswhenthemarketbehavesastheFederal
thenthereisnotellingwherelong-runpolicy ReserveexpectsandtheFederalReservebehaves
willgo.TherightwayfortheFedtothinkabout asthemarketexpects.Inbothcasesweassume
short-runpolicydecisionsisthattheyhavetobe thattheexpectationsarefullyrational,bywhich
partof,orfitinto,acoherentlong-termplan.The wemeanthattheexpectationsarefullyinformed
market’sunderstandingofthisplaniscentralto onthebasisofallavailableinformation.The
thedeterminationoflong-terminterestrates.In abstractionofafullrationalexpectationsmacro-
general,therateonanybonddependsonexpected economicequilibriumprovidesapowerfulstart-
shortratesoverthehorizonofthebond.Thus,the ingpointforanalysisofadata-dependentpolicy.
10-yearTreasurybondratedependsonexpecta-
tionsofshort-terminterestratesoverthe10-year
horizon. CAN THE MARKET PREDICT
Marketexpectationsaboutfutureinterestrates
DATA DEPENDENCE?
dependontheinteractionoftwointerrelated
sourcesofinfluence.One,obviously,concerns The“Taylorrule”isastylizedviewofthe
FederalReservedecisionsontheintendedfederal Fed’sreactiontoincominginformation.In1993,
fundsrate.Alsoimportantareexpectationsasto StanfordeconomistJohnTaylorproposedasimple
thedemandsforandsuppliesoffundsinthe formularelatingthefederalfundsrateto(i)a
privatemarket.Forexample,withsimultaneous long-runinflationtargetand(ii)short-rundevia-
investmentandhousingbooms,creditdemands tionsofinflationfromthattargetandshort-run
willbehighandinterestrateswilltendtobebid deviationsofrealGDPfromameasureof“poten-
up.Inpursuingitspolicygoals,theFOMCwill tialrealGDP.”4Taylorsuggestedthathissimple
beadjustingthefederalfundsrateasneededto relationshipcharacterizedinbroadoutlinethe
keeptheinflationratelowandstable.Thus,the actualbehaviorofthefederalfundsrateinthe
marketformsexpectationsabouttheunderly- earlyyearsoftheGreenspanFOMC.Theessence
ingstateoftheeconomythatwillbearonFed ofthisrelationshipisthatinthelong-runthe
decisions. FOMCseekstokeepthefederalfundsrateroughly
TheFederalReserveisconstantlyevaluating consistentwithalevelthatisbelievedtoproduce
thesituationinthemarketsandtryingtoadjust atargetlevelofinflation.Taylorassumedatarget
theintendedfederalfundsratetoproduceasatis- rateofinflationof2percentperyearmeasured
factoryequilibriumintheeconomy.Whenweput bythetotalconsumerpriceindex(CPI).Inthe
theFederalReserve’sandthemarket’sdecisions shortrun,therelationshipimpliesthattheFOMC
andexpectationstogether,wehaveamacro- adjuststhetargetfederalfundsrateupaseither
economicequilibrium. theobservedinflationrateexceedsitstargetor
TheinteractionbetweentheFederalReserve realGDPexceedspotentialrealGDP.Conversely,
andthemarketsmaybeconfusingatfirstsight, undertheTaylorrule,theFOMCreducesthetar-
andindeedwasconfusingtoeconomistsforgen- getfederalfundsratewheninflationfallsbelow
erationsuntilconceptualbreakthroughsinthe itstargetand/orrealGDPfallsshortofpotential
1960sand1970sclarifiedtheissue.Marketbehav- realGDP.
iordependsonexpectationsastowhattheFederal TheTaylorrulereflectstheprimacyofalong-
Reserveisgoingtodo,andwhattheFederal runinflationobjectivewhileincorporatingshort-
4 JohnB.Taylor,“DiscretionversusPolicyRulesinPractice,”Carnegie-RochesterConferenceSeriesonPublicPolicy,39,December1993,
pp.195-214.Taylorcomparedthevaluesofhisformulaagainsttheobservedhistoryofthefundsratefrom1987through1992.
4
DataDependence
runstabilizationefforts.Theruleprovidesafor- outlookshouldbeconsistentwithkeepingthe
mulaforcomputingabaseline,orreference, economyclosetofullemployment,basedonthe
interestratethatisconsistentwithpolicyachiev- CongressionalBudgetOfficeforecastofpotential
ingtheFed’sobjectivesforbothoutputstabiliza- GDPgrowthof3.24percentin2007.Asforinfla-
tionandpricestability.IdiscussedtheTaylorrule tion,thecentraltendencyforecastofFOMCpar-
insomedetailinthespeechImentionedearlier, ticipantsfor2007is2to2¼percent.Thus,
“UnderstandingtheFed,”andreferyoutoits inflationisexpectedtorecedeonlyveryslowly
publishedversioninthisReviewifyouwantto fromitscurrentlevel.
digintothesubjectmoredeeply. Therearetwocasesinwhichtheeconomic
NowI’llturntosomecommentsonfuture newswillprettyclearlypredictachangeinthe
Fedpolicy,butIwanttoremindyouthatIam Fed’spolicystance.Ifincomingeconomicindi-
speakingformyself—otherFOMCparticipants catorsshowthatbothoutputandinflationare
mayhavedifferentviewsabouthowfuturepolicy risingabovetheseforecasts,then,intheabsence
adjustmentswilldependonarrivinginformation. ofanyotherinformation,wecanexpectthatthe
Alleconomicindicatorsmayhaveimplications FOMCwillincreaseitstargetfederalfundsrate.
fortheevolutionoftherealeconomyandinflation. Ontheotherhand,ifbothoutputandinflation
Iemphasize“may”becausewehavetofilterout comeinweakerthanexpected,weareunlikely
toseefurtherincreasesinthefederalfundstar-
asbestwecanpossibledataerrorsandinconsis-
get;indeed,ifeconomicweaknessispervasive
tenciesacrossvariousindicators.
enough,theFOMCwillatsomepointreducethe
BeforeIdiscussfutureFedpolicyinanydetail,
targetfundsrate.
Ibeginwithawarning.Newinformationdrives
Themostinteresting—nottomentioncontro-
bothmarketadjustmentsandpolicychanges,but
versialanddifficult—casesarethoseinwhichthe
newinformationisinherentlyunpredictable.To
outlookforinflationandoutputmoveinoppo-
gainasenseoftheimpactofnewinformationon
sitedirections.Insuchcases,theFOMChasto
interestrates,I’veanalyzeddatafromtheeurodol-
callonallitsexperienceandjudgmenttoreacha
larfuturesmarketanddiscussedtheresultsin
decision.Itisverydifficultformetobeprecise
somedetailin“UnderstandingtheFed.”The
aboutthejudgmentsIamlikelytoreachbased
bottomlineofthatanalysisisthatforecastsembed-
onincominginformationbecauseahostofcon-
dedintheeurodollarfuturesmarketexplain42
siderations,someofwhichIcannotforesee,may
percentofthevarianceoffluctuationsintheactual
enterthecalculus.ButI’llmakeastabathow
eurodollaryieldthreemonthsahead.Thus,unpre-
thingscouldplayouttoillustratemythought
dictableeventsevenoverathree-monthhorizon
process.
areresponsiblefor58percentofthevarianceof
Acriticallyimportantconsiderationinmy
theeurodollaryield.Overasix-monthhorizon,
mindconcernstheinflationprocessandthe
unpredictableeventsareresponsibleformorethan
importanceoftheFed’scommitmenttolowand
70percentofthevariance.Thus,Icandiscuss
stableinflation.Itismyconvictionthattemporiz-
variousscenariosbuthavenowayofknowing
ingonactionstocontrolinflationisaninvitation
whichscenariowillcometopass. totrouble.Acceptinghigherinflation,orevena
Let’sstartwiththeoutlookfortherestof continuationofthecurrentrateofinflation,in
2006.ForecastsmadebyFOMCmembersand anefforttosustaincurrentemploymentlevels
transmittedtoCongressinJulywere3¼to3½ willonlyleadtomoregrieflater.Onceinflation
percentgrowthforrealGDPandanincreasefor andinflationexpectationsrise,theeconomywill
thecorepersonalconsumptionexpenditures becomelessstableandreducinginflationfrom
(PCE)chainpriceindexof2¼to2½percent.As anelevatedratewillbemorecostlythantaking
for2007,thecentraltendencyoftheFOMCmem- themedicinenow.Havingsaidthat,ifinflation
bers’GDPforecastsis3to3½percent.Thisgrowth pressuresareeasing,evenifonlygradually,and
5
MONETARYPOLICYANDINFLATION
thereisagenuineprospectthatinflationwill information.Still,Ibelieveforecastersshould
returntothecomfortzone,thenIseenoreason assignarelativelylowprobabilitytodeepreces-
toacceleratethedeclineininflationbymaintain- sionpreciselybecauseoftheFOMC’sdemon-
ingarestrictivepolicyinthefaceofdeclining stratedwillingnesstoactaggressivelyasnecessary.
employment.Policyneedstobeasdisciplined I’vegivenyoumytakeonwhatdatadepend-
asnecessarytogetthejobdone,butnotmoreso. encemeansandtheattitudesthatunderliemy
Thelong-runinflationgoalandtheattitude likelyresponses.I’vealsoemphasizedthatan
I’veexpressedaboutwhatriskstotakesuggest efficientrationalexpectationsequilibriumrequires
thatIwillhaveabiasinthewayIinterpretincom- thatthemarketbehaveasthepolicymakersexpect
inginformation.Ifdataontherealeconomycome andpolicymakersbehaveasthemarketexpects.
inweakerthanexpected—ifitappearsthatthe Themarket’sevaluationoftheprospectsforpol-
economyisfallingbelowthebaselineforecast icyisrevealedinthefuturesmarketsforfederal
path—thenmybiaswillbeinthedirectionof fundsandeurodollardeposits.Currentfutures
wantingtobesurethatthedatapaintaconsistent pricespredictthatthefederalfundstargetis
picturebeforeI’lladvocateapolicyeasing.But expectedtobeginmovingdown.Becausethese
ifthepictureisconsistent,andinflationriskis marketquoteschangedaybydayinresponseto
receding,thenI’llnothesitatetoadvocatepolicy newinformation,Idonotwanttoattempttobe
easing. particularlypreciseastothetiming—anythingI
WhatIhopetheFOMCcanaccomplishisto writeasIdrafttheseremarksmaybeoutofdate
retainfullmarketconfidencethatthelong-run bythetimeIdeliverthemorwithinafewweeks,
rateofinflationwillremaininthecomfortzone. anyway.WhatIcansafelynoteisthatthemarket’s
Ihopethatforecastersassignverylowprobabil- expectationoffuturepolicyeasinghasbeentaking
itytoinflationoutcomesoverthemediumterm holdgraduallysincelateJune,say,inresponse
of3to5yearsoutsidethecomfortzonenomatter todataontherealeconomysuggestingthatreal
whattheincomingdatalooklike.AlthoughIam growthisslowingandinflationdatasuggesting
talkingaboutinflationoverahorizonwellbeyond thattheworstmaybeoveronthatfront.
theusualforecasthorizonof1to2years,thelong- Althoughexpectationsaboutfuturepolicy
runinflationoutlookhasadirectbearingonthe actionsarerevealedtransparentlyinthefutures
forecast.Thelongbondratetodaydependscriti- marketforshort-terminterestrates,Iwantto
callyonexpectedinflationoverthematurityof underscoremyearlierpointaboutthelimited
thebond.Thus,ratesthatenterimportantlyinto accuracyofthoseforecasts.Someoftheforecast
anyeconomicforecast,suchasmortgageand misseshavebeenprettydramatic.Forexample,
corporatebondrates,dependonthelong-run inDecember2000,thefuturesmarketforecasts
inflationoutlook.Thisoutlookhasbeenquite wereforadeclineintheeurodollaryieldof35
stableinrecentyears,andthatfactisevidenceof basispointsoverthefollowingthreemonths
amajormonetarypolicysuccess. andatotalof67basispointsoverthesix-month
Withlong-runinflationcontained,theFOMC period.Instead,theFOMCactedaggressivelyto
hasflexibilitytorespond,vigorouslyifnecessary, lowerthefundsratetargetstartinginJanuaryand
toeconomicweaknessshoulditarise.TheFOMC continuingthroughMay2001byatotalof250
broughtthetargetfederalfundsratedownaggres- basispoints.TheFOMCactedaggressivelyas
sivelyin2001inresponsetoincominginforma- incominginformationpointedtogrowingweak-
tion.Aggressiveeasingkepttherecessionmild. nessineconomicactivity.BoththeFOMCand
Iftheeconomycomesinbelowthebaselinefore- themarketsweresurprisedbyincominginforma-
castincomingquarters,theFOMCwillhaveroom tionindicatingthattheeconomywasweakening
toactasaggressivelyasrequired.Ihavenoidea quicklyandsignificantly.
whatscaleofeasingmightbeappropriate,for AlthoughIcannotpredictunpredictablenew
thatwilldependonthenatureoftheincoming information,I’vetriedtoprovideasenseofhow
6
DataDependence
Imightrespondtonewinformationasitarrives. thecentralbankcaninprinciplespecifyapolicy
Inote,however,thatitisrarethatasingledata rule,orresponsefunction,thatguidespolicy
reportisdecisive.Theeconomicoutlookisdeter- adjustmentsinresponsetoincominginformation.
minedbynumerouspiecesofinformation.Impor- Toachieveagoodresult,thegeneralpublicand
tantdatasuchastheinflationandtheemployment marketparticipantsneedtounderstandtheobjec-
reportsarecross-checkedagainstotherinforma- tivesandtheresponsefunctionsothattheprivate
tion.TheFOMCisawareofthepossibilityofdata economycandetermineitsactivitieswithfull
revisionsandshort-runanomalies.Sometimes knowledgeofhowthecentralbankwillact.Of
dataoughttobediscountedbecauseofanomalous course,uncertaintyisaninherentcharacteristic
behavior. oftheeconomicworld.Whatshouldbepredict-
Anexamplewastheincreaseintobacco ablearethecentralbank’sresponsestothenever-
pricesinlate1998.Tobaccopriceshadatransi- endingsequenceofsurprisesthatcharacterize
toryimpactonmeasuredinflation,bothtotaland theeconomicenvironment.
coreindices,duringDecember1998andJanuary Marketcommentaryoftenindicatesfrustra-
1999,butproducednolastingeffectontrend tionthattheFOMCdoesnotlayoutaclearerpath
inflation.Similarly,informationaboutrealactivity forpolicy,arguingthattheFOMCisunpredict-
sometimesarrivesthatindicatestransitoryshocks able.Thatview,Ibelieve,isoffbase.Typically
toaggregateoutputandemployment.Anexample theFOMCcannotbepredictablewithregardto
ofsuchatransitoryshockisthestrikeagainst thepathofthetargetfederalfundsratebecause
GeneralMotorsinJuneandJuly1998.Similarly, newinformationdrivingpolicyadjustmentsis
theSeptember2005employmentreportreflected notpredictable.Allofuswouldliketobeableto
theimpactofHurricaneKatrina,whichwas predictthefuture.WeintheFeddothebestwe
expectedtobe,andturnedouttobe,temporary can,butthemarketsshouldnotcomplainthat
fromanationalperspective. theFOMClacksclairvoyance!WhattheFOMC
Transitoryandanomalousshockstothedata strivestodoistorespondsystematicallytothe
areordinarilyrathereasytoidentify.BothFedand newinformation.Thereisconsiderableevidence
marketeconomistsdevelopestimatesofthese thatthemarketdoessuccessfullypredictFOMC
aberrationsinthedatashortlyaftertheyoccur. responsestotheavailableinformationatthe
Theprincipleoflookingthroughaberrationsis timeofregularlyscheduledmeetings.5
easytostatebutprobablyimpossibletoformalize
withanyprecision.Weknowtheseshockswhen
weseethem,butcouldneverconstructacom- CONCLUDING COMMENT
pletelycomprehensivelistofsuchshocksexante.
Tosaythatpolicyisdatadependentmeans
Policymakerspiecetogetherapictureofthe
thatpolicychangeswilldependontheincoming
economyfromavarietyofdata,includinganec- newsaboutthestateoftheeconomy,bothreal
dotalobservations.Whenthevariousobserva- growthandinflation.Thatthepolicysettingis
tionsfittogethertoprovideacoherentpicture, datadependentisagoodsign.Itmeansthatpolicy
theFedcanadjusttheintendedratewithsome isinarangethatcanbeconsideredneutral—
confidence.Themarketgenerallyunderstands thatis,thoughttobeconsistentwiththeFed’s
thisprocess,asitdrawssimilarconclusionsfrom longer-runpolicyobjectives.Itisimportantto
thesamedata. rememberthatthelong-runinflationobjective
So,givenpolicyobjectives,andgivenaview shouldnotbedatadependent.Iftheobjectiveis
abouthowpolicydecisionsaffecttheeconomy, wellunderstood,peoplewillknowwhetherthe
5 See,forexample,WilliamPoole,“HowPredictableIsFedPolicy?”FederalReserveBankofSt.LouisReview,November/December2005,
87(6),pp.659-68;http://research.stlouisfed.org/publications/review/past/2005/.
7
MONETARYPOLICYANDINFLATION
currentinflationrateisaboveorbelowthedesired
trend.Theywillknowhowtointerpretincoming
informationtogaugewhatitmeansforthepolicy
stance.Ibelievethatisjustaboutexactlywhere
wearetoday.
8
Cite this document
APA
William Poole (2006, September 28). Speech. Speeches, Federal Reserve. https://whenthefedspeaks.com/doc/speech_20060929_poole
BibTeX
@misc{wtfs_speech_20060929_poole,
author = {William Poole},
title = {Speech},
year = {2006},
month = {Sep},
howpublished = {Speeches, Federal Reserve},
url = {https://whenthefedspeaks.com/doc/speech_20060929_poole},
note = {Retrieved via When the Fed Speaks corpus}
}