speeches · October 21, 1998
Speech
William Poole · President
Is Inflation Too Low?
16thAnnualMonetaryConference
CatoInstitute
Washington,D.C.
October22,1998
PublishedintheFederalReserveBankofSt.LouisReview,July/August1999,81(4),pp.3-10
What is today’s big monetary policy aboutasfavorableasetofinitialconditionsas
issue? It is, surely, the extraordi- onecanimagineforgettingthroughfinancial
nary volatility of the financial turmoilwithminimaleffectontherealsideof
markets and the wide quality theeconomy.
spreads that opened up between riskier bonds TheissueIwishtoexploreisthis:Iszero
andTreasurybondsfollowingtheRussiandefault inflation,abstractingfrommeasurementerrorin
in mid-August 1998. No one forecast these prob- thebroadpriceindexes,toolow?Ithinkzerois
lems; the financial-market upset certainly was averynicenumber,especiallywhenitcomesto
not a real, live policy issue back in the spring inflation.Butthereisaseriousargumentthatthe
and early summer. economyislikelytoworkbetterwithamoderate
Weshouldnotunderestimatethemagnitude inflationof,say,2or3percentperyear.Idisagree
ofthecurrentdisturbanceintheU.S.financial withthatargument.
system.Monetarypolicytodayis,Ibelieve,appro- Iwillconcentrateontwoargumentsformod-
priatelyfocusedondealingwiththepossible erateinflation.Thefirstargumentholdsthatinfla-
tionfacilitatesthesmoothoperationoflabor
effectsofthefinancial-marketdisturbanceonthe
marketsandtherebypromotesmaximumemploy-
U.S.economy.Thesizeofthatdisturbanceand
mentinthefaceofnominalwagerigidity.The
thecircumstancessurroundingitaresounusual
secondargumentcontendsthatinflation,viathe
inthecontextofU.S.historythatpolicymakers
Fisherrelationship,keepsnominalinterestrates
mustconcentrateondealingwiththissituation
fromfallingtooclosetothezerobound,and
forthetimebeing.
therebygivestheFedsufficientroomtoease—
Thefinancialupset,however,willdisappear
thatis,tocutrates—shouldarecessionappear
fromtheradarscreenofpressingpolicyissuesas
imminent.
themarketssettledowninduetime.Allofus
Inmyview,bothargumentsarewrong.Iwill
willthenreturn—orshouldreturn—toanalyzing
beginbyoutliningsomereasonswhyIbelieve
longer-runissues.Withregardtothecurrentout-
thatzeroinflationshouldbetheparamountobjec-
look,IwillsayonlythatIamoptimisticthatwe
tiveofmonetarypolicy.
willworkthroughcurrentproblems,painfulas
theyhavebeenformany,withnosignificantdam-
agetotheU.S.economy.Myoptimismstemsfrom
THE CASE FOR ZERO INFLATION
theeconomy’sstronginitialconditionsoflow
inflation,lowandstableinflationexpectations, AsChairmanAlanGreenspanhaspointedout
andawell-capitalizedbankingsystem.Theseare onnumerousoccasions,oureconomy’sfineper-
ThisspeechisreprintedwiththepermissionoftheCatoInstitute.ItwaspreviouslypublishedintheCatoJournal,Winter1999,18(3).
©1999,TheCatoInstitute.
1
MONETARYPOLICYANDINFLATION
formancesincetheearly1990swasaccompanied zeroshouldbethetarget.First,maintaininga
initiallybydeclininginflationand,morerecently, steadybutpositiveinflationrateprobablywould
bylowandstableinflation.Clearly,theU.S.expe- beharderpoliticallythanmaintainingasteady
rienceofthelastfiveyearscastsdoubtontheold zeroinflation.Thereasonisthatweliveinaworld
claimthatfallinginflationwillinevitablybring wherebothpoliticiansandeconomistsoftenargue
slowerrealgrowthorahigherrateofunemploy- thatjustalittlemoreinflationwouldgenerate
ment.Thisexperiencealsosuggeststhatreducing positiverealeconomicgains.Ifweacceptthe
thevariabilityofinflationneednotincreasethe argumentthat2percentinflationisokay,why
variabilityofoutput,assomepeopleargue. not2.5percent?LetmeemphasizethatwhenI
Althoughtheperformanceofothercountries advocatezeroinflation,Iamignoringmeasure-
withlowinflationissomewhatmixed,mypoint mentquestions,suchaswhetherornotbiasexists
issimplythatthereislittleevidencetosuggest intherelevantpriceindex.Asapracticalmatter,
thatzeroinflationnecessarilyimpliesslowreal policyisprobablybestspecifiedintermsofa
growth.Indeed,RobertBarro(1996)andothers measuredinflationrangethataccountsforour
havereportedsystematicevidencetothecontrary. bestestimateofmeasurementerrors.
Certainly,therearegoodreasonstoexpectthata AsecondreasonIadvocatezeroinflation
zero-inflationmonetaryregime,sustainedover concernsthedistortionscausedbytheinteraction
thelongrun,wouldenhanceaneconomy’s ofinflationwiththetaxcode.Inflationindexing
performance. isincomplete,especiallyforinvestmentincome,
Ifthemonetaryauthorityiscommittedcredi- becausenominalinterestincomeandnominal
blytozeroinflation,thenonesourceofinterfer- capitalgainsaresubjecttotax.MartinFeldstein
encewiththeefficientworkingofmarkets— (1997)hasestimatedthatreducinginflationfrom
uncertaintyaboutexpectedinflation—wouldbe
itscurrentlevelofabout2percenttozerowould
reduced.Inflationuncertaintymakesitdifficult
yieldsubstantial,permanentrealincomegains.
forindividualsandfirmstodistinguishchanges
TheoreticalanalysisbyJamesBullardandSteven
inrelativepricesamonggoodsandservicesfrom
Russell(1998),andothers,alsosuggeststhattax
movementintheaggregatepricelevel.Mistakes
distortionscosttheeconomysubstantialreal
intheallocationofresourcesaremorelikelyto
performanceathigherratesofinflation.
occurbecauseofthisuncertainty,withrealgrowth
Inshort,Ithinkthecaseisstrongthatmone-
consequentlylessthanitcouldbe.
tarypolicyshouldaimforzeroinflationasitspara-
Byconfusingthemeaningofindividualprice
mountobjective.Moreover,Irejecttheapproach
changes,inflationuncertaintyalsoraisesuncer-
thatzeroinflationmustbeshowntobesuperior
taintyabouttheprospectsofinvestmentreturns.
toapoorlyspecifiedalternativeofsomepositive
Arisingrateofinflationcanleadbothborrowers
inflation.Theburdenofproofreallyshouldfall
andlenderstobeoverlyoptimisticaboutlikely
onthosewhocontendthatpositiveinflationis
returns,resultingininefficientresourcecommit-
better.So,letmenowconsiderthearguments
ment.Ifthepriceexpectationsthatareassumed
advancedforapositiverateofinflation.
whenfundsarecommittedarenotrealized,bor-
rowersmayencounterdifficultyrepayingtheir
debts,whichinturnputsstressonlenders.Thus,
LABOR MARKET ARGUMENTS
itisreasonabletoexpectthateliminatinguncer-
taintyabouttherateofinflationwillenhance, Oneperennialargumentinfavorofpositive
althoughobviouslynotguarantee,financial inflationisthatcertainwagesmustfallrelativeto
stability. otherpricesorotherwages,andinflationallows
Presumably,toeliminateuncertainty,therate thisadjustmentofrealwagestooccurintheface
ofinflationneednotbezero,butsimplypredict- ofnominalwagerigidity.Thecenterpieceofthis
able.Foratleasttworeasons,however,Ibelieve argumentistheclaimthatdownwardnominal
2
IsInflationTooLow?
wageadjustmentsoccurtooinfrequentlytobe forsometime.Suppose,also,thattheFed’scom-
consistentwithflexiblerealwagesinaworld mitmenttomaintainingthisregimeisclear.In
wheremicroeconomicshockscontinuouslyalter suchanenvironment,nominalwagerigidity,
therelativepositionsofparticularfirms,indus- accordingtothegrease-the-wheelsargument,
tries,oroccupations.Withzeroinflation,theargu- wouldgeneratealargeinefficiencythatinflation—
mentgoes,rigidnominalwagespreventoptimal nowzero—wouldnolongerameliorate.This
adjustmenttorelativepricedisturbanceswith inefficiency,however,isexactlywhatshould
theresultthatemploymentvariesinefficiently. makeusdoubtthatnominalwagerigiditywould
Therefore,alittleinflationisagoodthingbecause continuetoexist.Themainfunctionoftheprice
itallowswagestofallrelativetootherprices; systemistoallocateresourcesbysettingrelative
inflation“greasesthewheels”oflabor-market prices.Competitiveforceslikelywouldeliminate
adjustment. anythingthatinterfereswithrelativepriceadjust-
ment,particularlyiffailuretoadjustisverycostly,
Zero Inflation in a Different Regime unlessthereissomecompellingreasonforitto
exist.Couldweimaginethatnominalwagerigid-
Thereare,inmyopinion,seriousflawsat
itywouldcontinueduringasustained10percent
threelevelsofthisargument.First,theargument
deflation?Ofcoursenot.Why?Theprivatecosts
claimsthatnominalrigiditycreatesalargeineffi-
ofinterferingwithrelativepriceadjustmentwould
ciencythatinflationameliorates.But,iftheclaim
betoohigh.Itmaytakelongerforcompetitive
ofalargeinefficiencyistrue(andIwillquestion
forcestoerodenominalrigidityunderzeroinfla-
itlater),asimpletheoreticalargumentcreates
tion,buttheprincipleisthesame.
thepresumptionthatnominalwageswouldnot
Keepinmindthatthemagnitudeofongoing
continuetobestickyinazero-inflationregime.
resourcereallocationinU.S.labormarketsdwarfs
Thereissomedisputeabouttheextentto
theemploymentgrowththatmakesheadlineson
whichnominalwagesaredownwardlyrigid.But,
thefirstFridayofeverymonth.Jobsappear,jobs
nodoubtsomeemployershavefounditdifficult
disappear,andpeoplemoveintoandoutofthem
toreducenominalwagesduringtheperiodscov-
atratesfarhigherthannetemploymentgrowth.
eredbythemostpopulardatasources.Onedata
ThisisprimafacieevidencethatU.S.labormar-
source,thePanelStudyofIncomeDynamics,
ketsdonotsufferfromanymassiveinefficiency.
startedduringthelate1960s.Imentionthesample
Ifnominalwagerigiditycreatessignificant
periodbecausemakinganempiricalregularity
economicinefficiency,itseemsentirelyplausible
thefoundation,ratherthananimplication,of
thatitisperpetuatedbyinflation.IadmitIdonot
economictheoryalwaysisdangerous.Robert
knowforsure.Basedonthecurrentstateofeco-
Lucas(1976)elegantlydemonstratedthispoint
nomictheory,however,Ithinkwemustfavorthe
morethan20yearsago.Totheextentthatdown-
presumptionthatinefficientwagerigiditywould
wardnominalwagerigidityexists,itpresumably
disappearinazero-inflationeconomy.Thisposi-
servessomeeconomicfunction.Afterall,putting
tionmakessenseifwetakeeconomictheory
minimumwagelawsaside,fixednominalwages
seriously.
arenotrequiredbylaw.Wecannotassumethat
thepresentdegreeofwagerigidity—whateverit
Other Mechanisms for Relative Wage
is—wouldcontinueintoadifferentinflation
Adjustment
regime.Indeed,acompellingcasecanbemade
thattheextentofwagerigidityweobservewould Asecondflawinthegrease-the-wheelsargu-
notsurviveinazero-inflationregime. mentisthatitimaginesonlytwomechanismsfor
Consideranenvironmentwhere,broadly achievingadjustmentstoaworker’srelativewage:
speaking,theannualchangesinbroadprice Eithercutthenominalwage,orletallotherprices
indexesusuallyareclosetozeroandhavebeen arounditrise.Infact,theworkingsoflabormar-
3
MONETARYPOLICYANDINFLATION
ketssuggestatleasttwoothermechanisms,and inpricechangestendstorisewithhigheraggregate
sothepresenceofnominalwagerigidity—were inflation—thatunderlaythecaseforpursuinga
ittoexist—mightnotbeahindranceinazero- positiverateofinflation.Thus,theclaimthatinfla-
inflationworld. tionhelpstheeconomycopeefficientlywithrela-
First,averagecompensationtendstoriseover tivepricechangesissuspectimmediately,since
time,asoverallproductivityimproves.Thus,in thereismorerelativepricevariationtocopewith
azero-inflationenvironment,nominalwagesmay ifthereismoreinflation.
notneedtofall,eveninsomedecliningoccupa-
tions.Proponentsofthegrease-the-wheelsview Labor Market Costs as Well as Benefits
sometimesignorethismechanism.
Overall,Ibelievethatthebenefitsofinflation
Internallabormarketsprovideyetanother
aslabor-marketgreaseareexaggerated.Further-
adjustmentmechanism.Compensationtendsto
more,inflationitselfseemstoworsentheproblem
increasewithseniority,partlybecauseofan
itostensiblyalleviates.Inadditiontothesetheo-
individual’saccumulationofhumancapital.
reticalarguments,wenowhavesomedirect
EdwardLazear(1981)hasarguedthatanupward-
evidence,suppliedbyEricaGroshenandMark
slopingpathforearningsalsoactsasamechanism
Schweitzer(1996,1999).Theyrecognizethat
toovercomeagencyproblemswithinthefirm.
compensationtypicallyissetforatleastayear,
JamesMalcomson(1984)andothershaveargued
andthatthereare,inessence,twopiecestoa
thatpromotionsmayplayasimilarrole;rather
firm’swage-settingprocess.First,management
thansimplyfillingpositionsnecessaryforthe
decidesontheoverallchangeinthewagepool,
technologicaloperationofthefirm,promotions
basedinpartontherateofinflationexpectedto
providenecessaryincentivesforthoseatlower
prevailduringthefollowingyear.Thiswagepool,
levelsofthehierarchy.
ineffect,setsthefirm-widebudgetconstraint.
Thecommonthemeintheseobservations
Second,individualwagesandsalariesareadjusted
aboutinternallabormarketsisthatanindividual
inawaythatsatisfiesthebudgetconstraint.This
workertypicallywillexpectanincreasingreal
two-stepprocessisexplicitinmanyorganizations.
wage.Therefore,thekindofbaseadjustment
Mistakesoccurduringthefirststagewhen
achievedbyinflationcanalsobeaccomplished
managersmisforecastinflation.“Sand-in-the-
bydelayingwagechangerelativetoanindividual’s
wheels”effectsoccurifhigheraveragelevelsof
upward-slopingrealwagepath.
inflationresultinmoreinflationvariability,caus-
Ofcourse,thereisasegmentofthelabor
inglargerinflationforecastingerrors.Aconse-
marketwherelittlehumancapitalaccumulation
quenceisthatinflationwillcausemoreinterfirm
existsandlong-termimplicitcontractsarerare.
variationinwageadjustment.Greaseeffectsoper-
But,forobviousreasons,thisisexactlytheseg-
ate,asIoutlinedearlier,andimplymoredisper-
mentwhereturnovercostsarelowonboththe
sionofinteroccupationalwageadjustment.The
supplyanddemandsidesofthemarket.Hence,
greaseeffectsshouldtaperoffasinflationrises
anynominalwagerigiditythatispresentisnot
becausesomelevelofinflationenablesemployers
especiallycostly.
tomakealloftherelativewageadjustmentsthey
wouldmakeinafrictionlesslabormarket.Because
theyviewwagesettingasatwo-stageprocess,
INFLATION AND RELATIVE PRICE
GroshenandSchweitzerestimatethegreaseand
VARIABILITY ARE LINKED
sandeffectsseparately.Theyfindevidenceof
Thethirdflawinthelabor-marketcasefor botheffects,withsandeffectsrisingrapidlywith
positiveinflationisperhapsthemosttransparent. theinflationrate.Comparingthegreaseandsand
Inflationtendstoincreasethesortofmicroeco- effectsdirectly,GroshenandSchweitzerfindthat
nomicshocks—becausecross-sectionalvariation evenforlowinflationratesthenetbenefitofinfla-
4
IsInflationTooLow?
tionisstatisticallyindistinguishablefromzero, withsettingashort-termnominalinterestrate—
althoughpointestimatesofthegrossbenefitdo intheUnitedStates,thenominalfederalfunds
slightlyexceedestimatesofgrosscost. rate.Ahighernominalfederalfundsrateisoften
Onemightquibblewiththespecificsoftheir describedasatighterpolicy,whilealowernom-
empiricalstrategy,butGroshenandSchweitzer’s inalfederalfundsrateisdescribedasaneasier
emphasisonevaluatingcostsaswellasbenefits policy.Whentheeconomyisweak,themonetary
isabsolutelycorrect.Fromthestandpointoflabor authoritieslowerthenominalfederalfundstarget
markets,Ithinkitisfairtosaythattheevidence inanefforttostimulateinterest-rate-sensitive
ofnetbenefitsfromaninflationarymonetary sectorsoftheeconomy.Soaccordingtothisview,
policyisslimtonone. whenarecessionhits,thecurrentlevelofthe
federalfundsratedeterminesthenumberof
basispointstheFedhasavailabletocombatthe
THE ZERO NOMINAL INTEREST recession:thelowertheinitialfundsrate,the
RATE BOUNDARY lessscopeforsubsequenteasing.Asyoumight
guess,Idislikethischaracterizationofmonetary
Nowletusconsiderwhetherconcernsabout
policy,butletmefinishthestory.
conductingcountercyclicalmonetarypolicyina
Ofcourse,financialmarketparticipantsare
low-inflationenvironmentcanjustifyapositive
interestedmainlyintherealinterestrate,notthe
rateofinflation.Specifically,doespricelevel
nominalinterestrate.AsimpleFisheriandecom-
stabilitycausespecialproblemsformonetary
positiondividesanynominalinterestrate(with
policybecausenominalinterestratescannotbe
zerodefaultrisk)intotwomajorcomponents—a
lessthanzero?
realcomponentdeterminedbyequilibriumcon-
Thezero-boundviewisanoldandmuch
ditionsintheeconomyandanominalcomponent
debatedoneinmacroeconomics.Withrisinginfla-
determinedbytheexpectedinflationrate.
tionduringthe1970sandearly1980s,theissue
Thezero-boundviewholdsthattheexpected
largelybecamemoot,aspolicymakersscrambled
inflationcomponentofnominalinterestrates
togetinflationbackundercontrolandtoregain
moveslittleoverperiodsaslongasayear,sothat
lostcredibility.Recently,however,thetopichas
adjustmentsinthenominalfederalfundsrate
resurfacedasinflationratesintheindustrialized
mainlychangerealreturnsattheveryshortend
countrieshavefallenandstayedlowduringthe
ofthetermstructure.Movementsinshort-term
1990s,andascentralbanksaroundtheworld
ratesthenleadtoadjustmentsinlonger-termreal
haveadoptedinflationtargetingasamethodof
interestrates.
achievingandcommittingtopricestability.
Whathampersstabilizationpolicyinalow-
Thezero-boundviewholdsthatmoderate
inflationenvironment,accordingtothezero-
inflationaidsintheimplementationofstabiliza-
tionpolicybykeepingnominalinterestratesfrom boundview?Ifinflationiszeroandexpectedto
fallingtoolow.Thebottomline,accordingtothis remainthatway,thentheexpectedinflationcom-
argument,isthataninflationtargetofzerointer- ponentofnominalinterestratesiszero,andthe
fereswiththeattemptsofmonetarypolicymakers nominalrateisloweronaveragethanitwould
tostimulateaneconomyinrecessionbecausethe beinaworldofpersistentinflation.Thus,ina
nominalinterestrateobviouslycannotfallbelow recession,theFedwouldhavelessroomtocut
zero.Putanotherway,withmoderateongoing interestratesbecauseofthezeronominalbound.
inflationthepolicymakershaveroomtopush Theendresult,accordingtothisview,isalonger
therealrateofinterestbelowzero,whichthey anddeeperrecessionthanwouldotherwisebe
cannotdowhenthesteadyinflationrateiszero. thecase.Themessageisclear:IftheFedisto
Thezero-boundstorybeginswiththecom- helptheeconomyintimesofdistress,nominal
monplaceideathatmonetarypolicyisconcerned interestratesmustbekepthighenoughinnormal
5
MONETARYPOLICYANDINFLATION
times,whichrequiresmaintainingamodestrate nominalinterestratesasindicatorsofthestance
ofinflation. ofmonetarypolicycanbetragicallymisleading.
Thezero-boundviewhasraisedmanycounter- Wemightalsodowelltorememberthatdur-
argumentsovertheyears.Perhapsmostobviously, ingthelate1950sandearly1960s,thenominal
thisviewplacesheavyemphasisontheideathat annualizedyieldonthree-monthTreasurybills
monetarypolicycanbeusedtofinetunethe fluctuatedaround3percent,whiletheyieldon
macroeconomy,downplayingwell-knowncon- 10-yearTreasurybondswasaround4percent.
cernsthatattemptstofinetunecancontributeto Theseyieldsarebelow,butinthegeneralballpark,
ofthoseweobservetoday.Consumerpriceindex
economicinstability.Leavingthatissueaside,
inflationduringthatperiodaveragedabout2
however,therearestillseveralreasonstodoubt
percentonayear-overyearbasis—nottoodifferent
thevalidityofthezero-boundargumentforpur-
fromtoday’sinflationrate.So,whilewehave
suingapolicyofpositiveinflation.
notseenasustainedzero-inflationenvironment
intheUnitedStatesduringthepostwarera,we
Monetary Policy Is Fundamentally Not
haveseenanenvironmentnottoodifferentfrom
About Nominal Interest Rates
today’sintermsofrelativelylowinflation.And
First,wemustrememberthatnominalinterest duringthelate1950sandearly1960s,therewas
ratesdonotindicatethetruestanceofmonetary noobviousimpedimenttotheoperationofmone-
policyeventhough,asapracticalmatter,theFed tarypolicyjustbecauseinflationwaslow.
implementsshort-termpolicybytargetingthe
nominalfederalfundsrate.Thismethodofimple- Inflation and Output Variability
mentationhasbeeneffectiveinrecentyears.
Therelativestabilityofoureconomyin
Controllingthefundsrateisnot,however,an
recentyearssuggeststhatlowinflationprobably
endinitself.Fundamentally,monetarypolicyis
contributesbothtolessinflationvariabilityand
reflectedinthegrowthofthemoneystockand,
tolessoutputvariability.Throughoutthe1970s
ultimately,therateofinflation.Sotheideathat andearly1980s,bycontrast,wheninflationrose
centralbankersaresomehowtrappedifthenomi- sharplyandthenfellabruptly,theUnitedStates
nalshort-terminterestratenearszeroseemsquite sufferedthroughthreerecessions,includingtwo
astretchtome.Weareinthebusinessofproviding ofthemostsevererecessionsofthepostwarera.
liquiditytothemacroeconomy,andifthesitua- Tobesure,duringthatperiod,theU.S.economy
tioncallsforit,liquiditycanalwaysbeinjected, washitwithshocksfromexternalsources,butat
regardlessofthelevelofnominalinterestrates. thesametimemonetarypolicywasdecidedly
ThefirstyearsoftheGreatDepressionoffer uneven—resultinginasubstantialinflationthat
perhapstheclearestillustrationthatmonetary causedbothunnecessarydistortionsandproved
policyisfundamentallyaboutprovidingliquidity difficulttotame.Thus,thepostwarexperience
andnotaboutcontrollingnominalinterestrates. stronglysuggeststhatlowerinflationisassociated
Duringthattime,nominalinterestrateswere withlessvolatileinflation,andlowerinflation
low,whichseemedtoindicatean“easy”mone- volatilityisreflectedinlowervolatilityinreal
tarypolicy.ButasMiltonFriedmanandAnna output.Eveninazero-inflationenvironmentthe
Schwartz(1963)havenoted,from1930to1933 lowerboundonnominalinterestratesprobably
wouldnotbeaproblemforstabilizationpolicy
themoneystockwasfallingrapidly,indicatinga
becauseeconomicvolatilityitselfwouldlikely
fartighterpolicythanwasintended.Ofcourse,
belower.
thatpolicywasanunmitigateddisaster,asboth
outputandpricesfellbyathirdandtheunem-
Nonlinear Effects Near Zero
ploymentratehit25percent.Thatexperience,as
wellasother,lessdramatichistoricalepisodes, Afinalreasontodoubtthatmonetarypolicy
shouldmakeitobviousthatblindadherenceto wouldrunagroundinazero-inflationworldstems
6
IsInflationTooLow?
fromthenonlinearityofinvestmentdemand. Todayweareenjoyingthebenefitsofalow
Thisnonlinearityimpliesthatagiveninterest andcomparativelystablerateofinflation.Inour
ratechange,measuredinbasispoints,maywell presentstate,weshouldnotforgetthehighcosts
havealargerimpactwheninterestratesarelow ofinflation.Inflationmakesplanningdifficult
thanwhentheyarehigh. forindividualsandfirms,itinterfereswiththe
Muchofthethinkingbehindthezero-bound operationofmarkets,anditinteractsinsidiously
viewiscenteredontheextrapolationoflinear
withthetaxcodetodiscouragesavingandinvest-
effectstoverylowinterestrateenvironments.In
ment.Moreover,inflation’seffectsarefeltmost
muchoftheworkonthisissue,theaverageeffects
acutelybymembersofsocietywhoareeconomi-
ofshort-runmonetarypolicychangesareesti-
callythemostvulnerable.Inarguingforapositive
matedusingpostwardata,whichincludemany
rateofinflation,therefore,theburdenofproof
yearsofhighinflation.Thereislittlereasonto
shouldrestwiththosewhocontendthatour
thinkthatcoefficientsestimatedfromanenvi-
economywouldperformbetterwithinflation
ronmentofrelativelyhighinflationwouldbe
thanwithoutit.Inflationproponentsalsoshould
goodproxiesforthecoefficientsinthenew
explainhowamoderaterateofinflationcould
circumstance.
bemaintainedwithoutinchingeverhigher.In
Wemightexpectthatagivenbasispoints
myview,thecaseforpositiveinflationhasnot
changeinthenominalfederalfundsratetarget
beenproven.
wouldhavealargerimpactwheninterestrates
Acentralbank’ssinglemostimportantjobis
arelower.Certainly,thereisnoreasontoexpect
preservingthevalueofthenation’smoney.Mone-
thattheresponseofinvestmenttochangesinthe
tarypolicyhassucceededifthepubliccanreason-
nominalinterestrateislinear.Atanypointintime
ablytrustthatadollarwillbuytomorrowwhatit
countlessinvestmentprojectsareavailable,and
willbuytoday.Atthispoint,inflationwillhave
asthenominalcostoffundsmoveslower,the
ceasedtobeahindrancetothesmoothfunctioning
netpresentvalueofmanymoreoftheseprojects
ofourmarketeconomy.Icannotpromisethat
becomespositive.Accordingly,investmentwould
pricestabilitywillmeananendtothebusiness
beunboundedatverylowrealinterestrates,
cycle,tounemployment,ortooccasionalfinancial
implyingthattheFedcouldconductacounter-
distress.Indeed,Iamwillingtobetthatafew
cyclicalpolicyjustasactivelyandeffectively
yearsfromnowwewilllookbackon1998and
wheninterestrateswerelow,evenifthenominal
concludethatthestabilityoftheinflationenviron-
federalfundsratetargetwasnearzero.
mentwasimportanttocontainingthefinancial-
marketupsetthatstartedinAugust.
Weshouldnotbeseducedbyargumentsthat
ZERO INFLATION IS NOT TOO
alittleinflationisagoodthing.Lookattherecord:
LOW Overthepast50years,oureconomyhasper-
Tosummarize,itseemstomethatneither formedbetterwheninflationwaslowthanwhen
theargumentsaboutwagestickinessnorthose itwashigh.Theresimplyisnocompellingevi-
concerningthezeroboundfornominalinterest dencethatwecouldfostersustainedeconomic
ratesmakeaconvincingcasethatmonetarypolicy growthbypursuinganinflationarymonetary
shouldaimforapositiverateofinflation.Instead, policy.Theevidencepointsintheotherdirection.
Ibelievethelogicandtheevidencebothsuggest Thus,Iamconfidentthatoureconomy’slong-run
thattheappropriategoalformonetarypolicy performancewouldbeenhancedbyamonetary
shouldbepricestability,thatis,along-runinfla- policythataimsat,achieves,andmaintainsa
tionrateofapproximatelyzero. zerorateofinflation.
7
MONETARYPOLICYANDINFLATION
ACKNOWLEDGMENT Groshen,EricaL.andSchweitzer,MarkE.“The
EffectsofInflationonWageAdjustmentsinFirm-
IoweagreatdebttotheSt.LouisFedresearch
LevelData:GreaseorSand?”FederalReserveBank
department,andespeciallytoDavidWheelock, ofNewYorkStaffReportNo.9,January1996.
JimBullardandJoeRitter,forassistanceinprepar-
ingtheseremarks. Groshen,EricaL.andSchweitzer,MarkE.
“IdentifyingInflation’sGreaseandSandEffectsin
theLaborMarket,”inMartinFeldstein,ed.,The
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pp.153-69. Productivity,andHoursRestrictions.”American
EconomicReview,September1981,pp.606-20.
Bullard,JamesB.andRussell,StevenH.“HowCostly
IsSustainedLowInflationfortheU.S.Economy?” Lucas,RobertE.,Jr.“EconometricPolicyEvaluation:
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Cite this document
APA
William Poole (1998, October 21). Speech. Speeches, Federal Reserve. https://whenthefedspeaks.com/doc/speech_19981022_poole
BibTeX
@misc{wtfs_speech_19981022_poole,
author = {William Poole},
title = {Speech},
year = {1998},
month = {Oct},
howpublished = {Speeches, Federal Reserve},
url = {https://whenthefedspeaks.com/doc/speech_19981022_poole},
note = {Retrieved via When the Fed Speaks corpus}
}