debtrestructuringtobeabinaryvariableanddonotlimititsdurationseeHackbarthetal2002andFran ID: 203901
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collectthewholesurplusfrombargainingandshareholdersrealizetheiroutsideoption,whichisequaltozero.Sincethisequalstheirpayofrombankruptcy,theoptiontorenegotiateisworthexactlythevalueoftheoptiontogobankrupt.Asaconsequence,themagnitudesofthewealthtransferwithandwithouttheoptiontorenegotiatearethesameandsoaretheexpansionpolicies.Asitisknownfromtheliterature,thepresenceoftheoptiontorenegotiatedependsonthestructureofdebt.Inparticular,renegotiationisexpectedtobefeasibleifthenumberofthermscreditorsislow(seeBoltonandScharfstein(1996),andHegeandMella-Barral(2005)).Thelimitingcaseofasingleissueofprivatedebt(abankloan)isassociatedwiththeleastcostlyrenegotiation.Ontheoppositesideofthespectrumliesdiuselyheldpublicdebt,whichcanmakerenegotiationprohibitivelyexpensive(Hackbarth,Hennessy,andLeland(2007)).Thisisduetotheco-ordinationamongthecreditorsbeinghardlyfeasibleasaresultofafree-riderproblemand,possibly,ofdierentseniorityclasses(HegeandMella-Barral(2005)).Suchaviewissupportedbytheexistingempiricalevidence.Theratioofpublictoprivatedebtandthenumberofbondissuesareshowntoreducetheprobabilityofsuccessfulout-of-courtdebtrestructuring(AsquithandScharfstein(1994))andtobenegativelycorrelatedwiththedeviationsfromtheabsolutepriorityrule(APR)(FranksandTorous(1994)).Theoutcomeofrenegotiationisdeterminedbythedistributionofbargainingpowerbetweenthermsownersanditscreditors.Usually,thebargainingpowerofthermvis-`a-visitsbankwouldbelimitedwhenthermisrelativelyyoungandsmallandwhenitusesaportfolioofthebanksservices.Consequently,theshareoftherenegotiationsurplusreceivedbythebankissubstantial.Theoppositeholdsforlargecorporations,especiallythosewithlegaldepartmentsspecializedindebtrestructuring.Higherbargainingpoweroftheshareholdersisalsoexpectedifthemanagementownsalargefractionofthermsequity.Insuchasituation,thealignmentofmanagerialinterestswithshareholdersobjectivesishigherandsoistheeortexertedintherenegotiationprocess(DavydenkoandStrebulaev(2007)).Finally,whencorporatedebtisheldbymultiplecreditors,theirbargainingpowermayberelativelysmall,again,duetoarisingcoordinationproblems(seeHegeandMella-Barral(2005)).Subsequently,Ianalyzetheeectofthermsgrowthoptiononitsoptimaldebtrestructuringpolicy.IndthatthepresenceofapositiveNPVproject,incombinationwithhighdebtorsbargainingpower,islikelytoresultinanearliertimingofdebtrenegotiation.Finally,Ishowthatthepossibilityofrenegotiatingthedebtcontractcanreduce debtrestructuringtobeabinaryvariableanddonotlimititsduration(seeHackbarthetal.(2002)andFran¸coisandMorellec(2004)fortherelevantextensions).Theremainderofthepaperisorganizedasfollows.InSection2themodelofthermisdescribed.NumericalresultsandcomparativestaticsarepresentedinSection3.ThesummaryandconclusionsareprovidedinSection4.ProofsofpropositionsarerelegatedtotheAppendix.2ModelofaLeveredFirmAsastartingpoint,Iprovidebasiccharacteristicsofthermandofthestochasticenvironmentinwhichitoperates.Subsequently,Idevelopadynamicvaluationmodelofthermfollowingtheexerciseofthegrowthoption.Usingthismodel,Icalculatethevaluesoftheclaimswrittenonthermscashowsandderivetheoptimaldebtrestructuringandliquidationpolicies.Theseareusedtoderiveresultsconcerningtheexpansionpolicyoftherm.Considerarmthatisrunbyadeep-pocketowner-manager(equityholders)max-imizingthevalueofequity.Thermgeneratesinstantaneouscashow.Thermhasanoptiontoexpandbyincurringsunkcost.Afterspending,thermisentitledtocashow,with1.Letindicatorbeequalto0ifthegrowthoptionhasnotyetbeenexercised,andto1intheoppositecase.TheliquidationvalueofthermisequaltoAllpartiesinthemodelareassumedtoberisk-neutralandistheinstantaneousrisklessinterestrate.TheimpactofeconomicuncertaintyonthermscashowiscapturedbylettingfollowageometricBrownianmotion debtnancingontheexercisepolicyofagrowthoption.However,neitherofthepapersallowsforthermtobeactivepriortotheoptionexercise.Asaconsequence,thereisnoinitialdebtoutstandingandthedebtoverhangproblem,whichisthefocusofthecurrentpaper,doesnotexist.AfarfromcompletelistofreferencesincludesVercammen(2000),analyzinghowbankruptcy,triggeredbytheassetsvaluefallingbelowthefacevalueofthedebt,inuencesinvestment,LelandandToft(1996),consideringanitematuritydebtwithastationarystructure,AndersonandSundaresan(1996),Mella-Barral(1999),Acharyaetal.(2006),andHackbarthetal.(2002,2007),analyzingtheimpactofdebtrenegotiability.ArelatedworkpresentedbyFischeretal.(1989),MauerandTriantis(1994),andDanglandZechner(2004),focusesontheoptimalrecapitalizationpolicy.Alternatively,onecouldimposeanassumptionthatthepayoutfromtheprojectisspannedbyaportfoliooftradedassets. Thedivergencebetweenthevalueofthermmanagedbyshareholdersanditsvalueinthehandsofcreditorsimpliesthatthereisscopefordebtrenegotiation.Rene-gotiationallowsforavoidingthefollowingthreecomponentsofthecostofnancialdistress.First,theinvestmentopportunityispreservedunderrenegotiationbutnotuponbankruptcy.Second,theineciencyresultingfromcreditorsmanagingtherm(andgeneratingreducedcashow)isavoided.Finally,thetaxshieldondebtisnotirreversiblylostbutonlytemporarilysuspended.TherenegotiationprocessisformalizedasNashbargaininginwhichbargainingpowerissplitbetweenthetwogroupsofthermsstakeholders(FanandSundaresan(2000),Christensenetal.(2002)).Thedistributionofbargainingpoweriscapturedbyy,1].Ahigh(low)valueofisassociatedwithhighbargainingpowerofequityholders(creditors).Highbargainingpowerofequityholdersisexpectedforlargecorporations,whicharelikelytobeaggressiveinnegotiationsandhavespecializedlegaldepartments.Incontrast,smallandyoungrmsthatuseaportfolioofthebanksservicesarelikelytohaveamuchweakerbargainingposition.Inaddition,DavydenkoandStrebulaev(2007)arguethattheequityholdersincentivestoexerteortinrenegotiationincreasewithinsiderownership.TheirnotionissupportedbytheempiricalobservationthatdeviationsfromtheAPRinChapter11aresignicantlyhigherwhenmanagershaveanequitystakeintherm(Betker(1995),LoPuckiandWhitford(1990)).Finally,shareholdersareexpectedtobemoretoughifinstitutionalshareholdingsarerelativelyhigh.Thisisduetothefactthatcoordinatedandmoresophisticatedinvestorscanbargainmoreeectively.Take-itorleave-itoersmadebyshareholdersorbycreditors,asinMella-BarralandPerraudin(1997),arelimitingcasesoftheNashbargainingsolution.Theycorrespondtosituationswhere=1and=0,respectively.Asdebtrenegotiationhasaformofastrategicdebtservice,itisassociatedwithalowerthancontractualcouponpayment.IfollowMella-BarralandPerraudin(1997)andFanandSundaresan(2000)inassumingthatthecouponisafunctionofthecurrentcashow.Moreover,IimposetheassumptionmadebyFanandSundaresan(2000)thatduringtherenegotiationprocessthetaxshieldistemporarilysuspended.Assoon toreectthecoordinationproblemsamongcreditors),withaspecialcasemeaningthatthegrowthoptionexpiresunexercised,()debtholderswillrunthermlesseciently,sothatthecashowgeneratedbythermintheirhandsequalswhere1).Thisapproachallowsforavoidingpath-dependencyleadingtoanalyticalintractability.HegeandMella-Barral(2000)makeanalternativeassumptionthataonce-reducedcouponcannotbeincreased. outsideoptionequalsthevalueoftherm(=1),shareholdersreceivenothing.Theassociatedstreamofcouponpaymentsisexactlyequaltofraction(1ofthenetcashowintherenegotiationregionoroutsidethatregion: r li , )xx bxx Therstregimeofthestrategicdebtservicecorrespondstotheearningslevelremainingbetweenthermsoptimalliquidationtrigger, ,andcreditorsliquidationtrigger, .Inthiscase,creditorsreceiveaweightedaverageofcashowfromholdingthe,andfromoperatingthermeciently,).Thesestreamsareweightedwithshareholdersbargainingpowercoecient,.Fortheearningslevelabove ,butstillintherenegotiationregion,creditorsreceiveaweightedaverageofcashowfromoperatingthecompanyontheirown,),andfromservingasfullyecientmanagers,).Outsidetherenegotiationregion,thecontractualcoupon,,ispaid.Notethatfor=0and,thecouponschedulecorrespondstotheoutcomeofthetake-itorleave-itoersinMella-BarralandPerraudin(1997),whereassettingtozeroreducesthesolutiontothepaymentschemeofFanandSundaresan(2000).Furthermore,thepresenceofthegrowthopportunitydoesnotchangethecouponowtothecreditorswithinanyofthethreeregimes.Thisresultsfromthefactthattheinvestmentopportunity,whichconstitutesapartofthermsvalue,isnotassociatedwithanypaymentstream.Todierentiatebetweentheclaimsvaluesandpolicytriggersintheabsenceandinthepresenceofrenegotiation,Iintroduceindicatorthatassumesthevalueof1ifrenegotiationoccursupondefaultand0otherwise.Fornotationalconvenience,Iassumethat0implies=1(whenrenegotiationisnotallowedfor,thedistributionofbargainingpowerisirrelevantanyway).Byobservingthatequityholdersmaximizethevalueoftheirclaimwhenselectingthedebtrestructuringpolicyandthattheliquidationpolicymaximizesthe(remain-ing)valueofthermandbysolvingthesystemofcorrespondingvalue-matchingandsmooth-pastingconditions,onecanformulatethefollowingproposition. Attheoptimalequityholdersrenegotiationtrigger,thevalueofallclaimsremaindierentiable.Fortheequityitistheresultofthesmooth-pastingconditionthatguaranteesoptimalityofthetrigger. .Followingdebtrestructuring,thevaluesofequityanddebtareequaltothecorrespondingfractionsofthermvalueobtainedaccordingtotheAPRincaseofbankruptcyupondefaultandtotheoptimalsharingrule(2)whenrenegotiationisallowedfor.Thevalueofdebtcanbesimplycalculatedasthedierencebetweenthevalueofthermandofitsequity.Thevalueoftaxshieldisaproductofitspresentvalueifoperatedperpetually,b/r,andtheprobabilityweighteddiscountedtimeofitsoperation(thevalueofwhichdependsonthetypeofdebtrestructuringupondefault).Finally,thevalueofthermwhenmanagedbycreditors,),isequivalenttowithbankruptcyhavingalreadyoccurred.From(4)itfollowsthattaxesinuencethedebtrestructuringtriggeronlywhenrenegotiationisallowedforandshareholdershaveatleastsomebargainingpower(i.e.,when0).ShareholderspreferanearlierdebtrestructuringwhenthetaxrateincreasessincetheyobtainafractionofthepresentvalueofthermstaxWhencreditorshavetheentirebargainingpower,optimalrenegotiationthresholdequalsthebankruptcytrigger.Ingeneral,theoptimalrenegotiationtrig-gerdoesnotdependonliquidationvalue.ThisresultsfromthefactthatthechangeoftheinstantaneouspayowhentherenegotiationcommencesisnotinuencedbytheEquation(5)impliesthat,intheabsenceoftaxes,theoptimalliquidationtrigger, ,reducestotheexitthresholdofanotherwiseidenticalall-equitynancedrm.For islowerthantheall-equitythresholdasthestrictlypositivepresentvalueoftaxshieldincreasestheopportunitycostofliquidation.Consequently,inthepresenceoftaxestheliquidationoptionisexercisedlaterwhenthermispartiallynancedwithdebtandrenegotiationispossible.Intheabsenceofrenegotiation,thermisliquidatedbycreditorsatahigherlevelof(cf.(5)with=0).Havingderivedthevaluesofdebtandequityafterinvestment,Iamabletode-terminetheoptimalpoliciesandcalculatetheclaimsvaluesbeforetheexpansionis InFanandSundaresan(2000),theunderlyingvariableistheafter-taxvalue(seealsoLeland(1994)).Consequently,theoptimalrenegotiationtriggerintheirpaperdecreaseswithtaxessinceonlytheeectoftheincreasingtaxshieldistakenintoaccount.washighenoughsothat,thentherenegotiationtriggerwoulddependonHowever,thisisruledoutbyassumption.ThisresultalsoisduetothespecialstructureofoptimalstoppingproblemsthatalsounderliesthemainconclusionsofLeahy(1993)andBaldurssonandKaratzas(1997),accordingtowhichaninvestor,whomusttakeintoaccountsubsequentinvestmentsofthecompetitors,employsthesameinvestmentpolicyasamonopolistwhoisnotthreatenedbysuchfutureevents. debt(netofthetaxshield)andaugmentedbytheoptionstoexpandandtorenegotiatethedebtcontract.Intherenegotiationregion,thevalueofequityequals,again,thefractionofthermvaluederivedaccordingtothesharingrule(2).Thevalueofdebtequalsthedierencebetweenthetotalvalueofthermandthevalueofequity.FromProposition2itfollowsthatinvestment,debtrestructuringandliquidationtriggersareaectedbythethegrowthandbankruptcyoptionsbeinginterrelated.Therstcomponentoftheexpansiontrigger(6)issimplyequaltotheoptimalinvestmentthresholdofanall-equityrm(withnooptiontoexit).Thesecondcomponentreectsthechangeinthevalueofthedebtrestructuringoptionupontheexpansion( x2B0 ).Aslongasisdierentfrom,thelattercomponentisdierentfromzeroandtheexpansionpolicyofadebtnancedcompanydiersfromthepolicyofanotherwiseidenticalall-equitynancedrm.Theoptimaldebtrestructuringtriggerofthermisgivenby(7).Itsrstcompo-nentequalsthedefaulttriggerofanotherwiseidenticalrmbutwithoutthegrowthoption(cf.(4)).Itssecondcomponentreectstheimpactofthegrowthoptiononthetimingofdebtrestructuring.Asimilardecompositioncanbemadefortheliquidationtrigger(8).Inthiscase,theintuitionisverysimple:theopportunitycostofliquidationishigherwhenthegrowthoptionispresent.Proposition3RiskydebtÞnancingleadstounderinvestmentinthesenseoftheshareholdersexhibitingexcessivewaiting.Proposition3isadirectimplicationofthedebtrestructuringoptionbeingworthlessafterthegrowthoptionisexercisedthanbeforethermsexpansion.Inotherwords,equityholdersnotonlyincurthecostofexpansionbutalsofaceareductionofthevalueoftheirdebtrestructuringoption(cf.Myers(1977)).Themechanismofthereductionintheoptionvaluetorestructuredebtcanbeexplainedusingthefollowingoptionsanalogy.Priortoinvestment,thedebtrestructuringoptionisequivalent(ignoringtheinteractionbetweenoptions)toaputonthepresentvalueofperpetualcashowthefraction(1)thereofwhenrenegotiationispossible)withastrikepriceequalto.Afterinvestment,thestrikeremainsthesamebuttheputiswrittenonthepresentvalueof(oritscorrespondingfraction)receivedinperpetuity.Obviously,thevalueofthelatterputoptionislower. Infact,thetwooptionsdieronlywithrespecttotheinitialpriceoftheunderlyingandthelatteroptionismoreout-of-the-money.Theratiooftheoptionvalues(ignoringtheinteractionoftheformerwiththegrowthoption)isthereforeequaltothediscountedprobabilityofcashowfallingfrom only1.4).Now,thefollowingpropositioncanbeformulated.Proposition4StrategicdebtrestructuringunderÞnancialdistressexacerbatestheunderinvestmentprobleminthesenseoftheexpansionoptionbeingexercisedlaterthaninthepresenceofbankruptcyoccurringupondefault.Inasituationwhereshareholderscanrenegotiatethedebtcontract,underinvestmentismoreseverethanuponbankruptcyoccurringupondefault.Thisisaresultofthefactthattheoptiontostrategicallyrenegotiatedebtgenerallyhasahighervaluethanananalogousoptiontogobankrupt.Sincethevalueoftheoptiontorestructuredebt(i.e.,eithertorenegotiateortogobankrupt)decreasesuponthermsexpansion,andtheproportionalreductionissimilaracrossthetwotypesofoptions(andisoftheorderof),theabsolutereductioninthevalueoftherenegotiationoptionmustbehigherthanintheoptionvaluetogobankrupt(infact,thisdierenceisoftheorderof(1)oftheinitialvalueofthebankruptcyoption).Tosummarize,thehighermagnitudeofunderinvestmentwithrenegotiabledebtisdrivenbyagreaterabsolutelossintheoptionvaluetorestructuredebtoccurringuponthermsexpansion.ImpactofGrowthOpportunitiesonLiquidationandStrategicDefaultThegrowthoptionaects,throughitsimpactonthevalueofequityandthermasawhole,theoptimalliquidationanddebtrestructuringpolicies.Asfarasitsimpactonthetimingofliquidationisconcerned,itholdsthat l0 x l1 ,(9)withtheequalityholdingfor=0(thegrowthoptionislostuponbankruptcysoitdoesnotaecttheliquidationpolicyevenwithnoexpansionhavingbeenmade).For=1,thepresenceofthegrowthoptionraisestheopportunitycostofliquidatingtherm.Asaconsequence,thermisliquidatedoptimallyatacashowlevellowerthan Therelationshipbetween andthedebtrestructuringtriggerofanotherwiseidenticalrmbutwithoutthegrowthoption, ,is,ingeneral,ambiguous.Beforeexpansion,thevalueofequitycontainsanadditionalcomponentreectingthevalueofthegrowthoption.Otherthingsbeingequal,thismakesdebtrestructuringless 3NumericalResultsThissectionpresentsnumericalresultsandcomparativestaticsconcerningthermsoptimalpolicies,thevaluesofitsclaims,agencycosts,capitalstructuredecisionsandtherst-passagetimeprobabilities.Thesetofinputparametersusedisasfollows:risk-freerate=5%,returnshortfall=4%,volatilityofearnings=20%,taxrate=35%,instantaneouscoupon5,eciencyofcreditorsastheusersofthermsassets=50%,shareholdersbargainingpowerparameter5,liquidationvaluebeforeexpansion=1,liquidationvalueafterexpansion=2,investmentcost=10,expansionscaleparameter=2.Unlessstatedotherwise,thoseparametervalueswillbeusedinallnumericalexamples.OptimalPoliciesThemajorndingconcerningtheimpactoftherenegotiabilityofdebtontheexpansionpolicyisthattheoptiontorestructuredebtexacerbatesMyers(1977)underinvestmentproblem.Alargermagnitudeofunderinvestmentmeansinourcontextthatthegrowthoptionisexercisedlaterthanintheabsenceoftheoptiontorenegotiatethedebtcontract(seeFigure2,PanelsA D).Thisisduetothefactthat,uponundertakingtheexpansionproject,shareholdersofthermnotonlyincurtheinvestmentcostbuttheyalsoreducethevalueoftheoptiontorenegotiatedebt.[PleaseinsertFigure2abouthere.]Recallthatthisadditionaldelayinexercisingthegrowthoptionresultsfromthefactthatthereductioninthevalueoftheoptiontorenegotiateexceedsthecorrespondingreductioninthevalueofthebankruptcyoption.Thecomparativestaticsfortheoptimalinvestment,debtrestructuring,andliqui-dationpoliciesaredepictedinTable1.Someoftheresultsareconsistentwiththoseknownfromtherealoptionsliterature(DixitandPindyck(1994),Ch.6),structuralvaluationofcorporatedebtpricing(Leland(1994,1998),Mella-BarralandPerraudin(1997),FanandSundaresan(2000)),andoninvestmentunderdebtnancing(MauerandOtt(2000),TitmanandTsyplakov(2003),andMoyen(2007)).Therefore,intheremainderofthesection,Ifocusonthoseresultsthatarenoveltothispaper.[PleaseinsertTable1abouthere.] negativelyinuencestheequityholderswillingnesstoengageindebtrenegotia-tion.However,ifshareholdersexpecttoextractahighfractionofthebargainingproceeds(high),theycommencerenegotiationearliersincethegrowthoptionenhancesthevalueofthermasthebargainingobject.Recallthatunderall-equitynancingtheinvestmentthresholdisincreasingwithrisk-lessrate(DixitandPindyck(1994),Ch.6).Debtnancingintroducesanothereect,whichworksintheoppositedirection:givencoupon,ahigherisassociatedwithalowerdebtvalue,andthuswithalowermagnitudeofunderinvestment.Thelattereectcanbeadominantoneifbothcashowuncertaintyandinterestratearelow(Figure2,PanelD).ValuationofSecuritiesAslongasshareholdersbargainingpowerparameterisstrictlypositive,theoptiontorenegotiateenhancesthevalueofequity.Thisisduetothefactthatshareholderscandointheprocessofrenegotiationatleastaswellasinthecaseofbankruptcyoccurringuponnancialdistress.Equityholdersoptiontorenegotiatemayadverselyaectthevalueofdebt.Thisoc-curswhentherenegotiationtriggerisconsiderablyhigherthanthebankruptcythresh-oldofanotherwiseidenticalrmbutnancedwithnon-renegotiabledebtandthenancialpositionoftherm(measuredby)issound.Ontheotherhand,forcloseenoughtothebankruptcytrigger,allowingforrenegotiationincreasesthevalueofdebtsincecreditorsshareofthermreceiveduponrenegotiationisworthmorethantheirclaimuponbankruptcy.Table2depictsthedirectionoftheeectsofmodelparametersonthevaluationofequity,debtandthermasawhole.[PleaseinsertTable2abouthere.])Theinteractionbetweentheoptionstoinvestandtorenegotiatecaninuencethevalueofdebtinbothdirections.Iftheequityholdersbargainingpowerissohighthatrenegotiationcommencesearlierwhenthegrowthoptionispresent(seeProposition5),thenthegrowthoptioncanreducethevalueofdebt.Nevertheless,formostparametercongurations,thevalueofdebtisaugmentedbythepresenceofthegrowthoption,duetoalowerprobabilityofstrategicdefault. proportionofdebt.Moreover,changesincouponratehaveasimilarrst-ordereectontheagencycostofbothrenegotiableandnon-renegotiabledebt.Shareholdersbargainingpowercoecientinuencestheagencycostofrenego-tiabledebtthroughitspositiveimpactontherenegotiationtrigger.Consequently,theagencycostofdebtduetounderinvestmentincreasessinceequityholdersbecomemorereluctanttoforegoafractionofthe(higher)optionvaluetorenegotiate.Withnon-renegotiabledebt,thebargainingpowercoecientdoesnotplayanyrolesinceitdoesnotaecttheoptimalinvestmenttrigger.Creditorsabilitytomanagethermsassets,,reducestheagencycostofbothkindsofdebt.Fornon-renegotiabledebt,higherreducesthepresentvalueofinef-cienciesarisingwhenthermbecomesmanagedbythecreditors.Forrenegotiabledebt,inaddition,anincreaseinnegativelyinuencestheprobabilityofstrategicdefault.Therefore,thereductionintheagencycostswhichresultsfromhighergreaterforrenegotiabledebt.Themoneynessofgrowthoptions,measuredbybothandtheinverseof,exac-erbatestheagencycostofdebt.Thisisduetolargerdierencesinthepresentvaluesofcashowsbeforeandafterinvestmentunderrst-andsecond-bestpolicies.Thiseectisstrongerforrenegotiabledebtsince()thegrowthoptioncontainsnotonlytherighttoacquirehighercashowsbutalsoarighttoreducethepossibilityofdebtrestructuring,and()forstrategicdefault,thelatterpossibilityhasamuchhighervalue.Iuseourbasicsetofparametervaluestoillustratethepotentialmagnitudeoftheagencycostofdebtthatcanbeattributedtounderinvestment.Ishowthattherene-gotiabilityofthedebtcontractcansubstantiallyincreasethiscost.Figure3illustratestheagencycostofrenegotiableandnon-renegotiabledebtasafunctionofthecashowvariable01(PanelA)and06(PanelB).[PleaseinsertFigure3abouthere.]Theagencycostofdebtinducedbytheunderinvestmentproblemhighlydepend Inaddition,theagencycostofdebtdecreaseswithcashowvolatilityasaresultoftheinvestmentthresholdbeinghigher(whichisassociatedwithalowerdiscountedprobabilityofinvestment)forbothkindsofdebt.Furthermore,theagencycostofdebtduetounderinvestmentispositivelyrelatedtothereturnshortfall,,andnegativelyrelatedtotherisklessrate,.Thisisduetothefactthattheprobabilityofdebtrestructuringincreaseswith(decreaseswith)sotimelyinvestmentbecomesmore(less)importantforreducingtheexpectedcostofdefault.Thepresenceoftherenegotiationoptiongenerallyincreasesthesensitivityoftheagencycoststothechangesofthethreeparameters. Barclayetal.(2006))islowerthanthedebtcapacityofassetsinplace.Consequently,marketleverageofthermwiththegrowthoptionislowerthantheoptimalleverageofitscounterpartwiththeassets-in-placeonly.Introducingtheoptiontorenegotiatethedebtcontractampliesthenegativeimpactofthegrowthoptionontheoptimalleveragelevel(seeTable4).[PleaseinsertTable4abouthere.]SimilarlyasinLeland(1994),FanandSundaresan(2000),andMauerandOtt(2000),theoptimalleverageincreaseswiththecurrentvalueoftheproject,,therisklessrate,,thetaxrate,,andthecreditorseciencyparameter,.Moreover,itdecreaseswithcashowvolatility,.AsinAndersonandSundaresan(1996),leverageincreaseswithshortfallwhenequityholdersbargainingpowerissucientlyhigh.Moreover,marketleveragedecreaseswithequityholdersbargainingpowerparameterIntroducingthegrowthoptionreducestheleveragemostdramaticallyforhighlevelsofearnings,highinterestrate,andlowlevelsoftaxes.Theinteractionbetweenthegrowthanddebtrenegotiationoptionsappearstobethemaindrivingforceofaloweroptimalleveragewhenequityholdersbargainingpowerishigh.Incontrast,whencreditorshavemuchsayinthedebtrestructuringprocess(low),thegrowthoptiondoesnotseemtoreducemarketleverageintheoptimum.Ingeneral,anincreaseintheoptionmoneyness(lowerorhigher)reducesmoresignicantlytheoptimalleveragerenegotiableTheresultsofthissectionprovidethereforeacomplementaryexplanationtotheexistingcapitalstructurepuzzleastheyhelptoreconcilethewedgebetweenhightheoreticallevelsofoptimalleverageandmuchlowerlevelsofcorporateindebtnessobservedempirically.Oneofthedeterminantsoflowmarketleverageistheinteractionofthegrowthoptionwiththedebtrenegotiationoption.Theleverageofgrowthrmswithrenegotiabledebtisshowntobelowerthanasimplesuperpositionoftheeectsofthegrowthoptionanddebtrenegotiabilitywouldindicate.Inotherwords,leverageisexpectedtobepositivelycorrelatedwiththeinteractiontermofaproxyforgrowthopportunities(suchasTobins)andrenegotiationfrictions.Thepresenceoftheinvestmentoptionresultsinahigherfacevalueofdebt,attheoptimalleveragelevel.Theincrementofafacevalueofdebtduetothegrowthoptionisgenerallylowerwhendebtisrenegotiable.Again,theadverseeectofthe conditionalonnothittingtheliquidationtrigger, .Byexaminingtheseprobabilities,itispossibletoconcludeinwhichsituationsarmis,afterall,morelikelytoinvestifitusesrenegotiabledebt,despiteahighermagnitudeoftheunderinvestmentproblem.Thepresenceofthegrowthoptionaectstheprobabilityofstrategicdebtrestruc-turing.Inmostcases,renegotiationislesslikelywhenthegrowthoptionispresentduetothehigheropportunitycostofstrategicdefault.Nevertheless,inthepresenceofapositiveNPVproject,theprobabilityofdebtrenegotiationcanbethanwithouttheinvestmentoption.Thissituationcanoccurwhenshareholdersbargainingpowerishighsotheactualrenegotiationtrigger exceedstheanalogoustrig-gerintheabsenceoftheinvestmentopportunity(seeProposition5)andthecurrentcashowisnotexcessivelyhigh.Thiseectisampliedforlowlevelsofuncertainty(highuncertaintyincreasestheshareholdersvalueoftheinvestmentoptionwhichmakesrenegotiationlesslikely).Therelationshipbetweentheequityholdersbargain-ingpowerparameterandtheratiooftheprobabilitiesofrenegotiation(withinyears)intheabsenceandpresenceofthegrowthoptionisillustratedinFigure4,Panel[PleaseinsertFigure4abouthere.]Debtrenegotiabilityaectstheprobabilityofexpansionintwooppositeways.First,itraisestheoptimalinvestmentthreshold.Second,itallowspreservationoftheinvest-mentopportunityforthelevelsofcashowlowerthanthebankruptcytrigger.PanelBofFigure4illustrateshowtheratiooftheprobabilitiesofinvestmentwithandwith-outarenegotiationoptionchangeswithshareholdersbargainingpower(again,=5).Whentheratioislargerthanone,theeectofapreservedinvestmentopportunity(be-tween l0 )morethanosetstheimpactofdelayedinvestment.Forlowvalues,bothinvestmentthresholdsareclosetoeachothersothattheonlysignicantfactoraectingtheprobabilitiesofinvestmentisthepresenceofthedown-and-outbar-rierassociatedwithbankruptcy.Forhighershareholdersbargainingpower,notonlydoeshittingtheliquidationtrigger, ,becomemorelikelybutalsothedivergenceofinvestmentthresholdsstartsplayinganimportantrole.Therefore,forsucientlyhigh,theratioofprobabilitiesbecomesstrictlylowerthanone. Thederivationoftherelevantprobabilities,basedonanexplicitnitedierencemethod,isavailablefromtheauthoruponrequest.Sincebankruptcytrigger isalwayslowerthan ,thepresenceoftheinvestmentopportunityalwaysreducesthedefaultprobabilitywhenthereisnooptiontorenegotiate.Recallthatwithrenegotiabledebtthegrowthoptionislostonlyupontheliquidationoftherm. operations.ThisimpliesthatahighermagnitudeofMyers(1977)underinvestmentmakesinvestmentlesslikelytobetriggeredbyanincrementalcashowincreaseforanyinitialcashowlevel.Asaconsequence,thepresenceoftherenegotiationoptioncombinedwithhighshareholdersbargainingpower,whichresultsinhigherunder-investment,islikelytoreducethesensitivityofinvestmenttothermscashow.Therefore,mymodelprovidesanalternativeexplanationoftheempiricalevidencethatsmallandyoungrms(thatis,thosewithlowbargainingpower)aswellascompaniesnancedwithmarketdebt,exhibitrelativelyhigherinvestment-cashowsensitivity(seeHubbard(1998)andBoyleandGuthrie(2003)).Theriskinessofdebtreectedbyitscreditspreadishighlyinuencedbythepres-enceofbothaninvestmentandarenegotiationoption.Mella-BarralandPerraudin(1997)showthatallowingforthepossibilityofstrategicdebtservicecansignicantlyincreasespreads.Mymodelimpliesthatthepresenceofinvestmentopportunitieswillleadtoabiggerreductioninacreditspreadofdebtforwhichrenegotiationfrictionsareinsignicant.Conversely,withouttherenegotiationoption(i.e.,inacaseofawidelyhelddebtandalargenumberofissues),theimpactoftheinvestmentopportunityoncreditspreadsisexpectedtobethesmallest.Theresultsofthemodelyieldtestableimplicationsfortheoptimalcapitalstructure.Thepresenceofthegrowthoptionreducestheoptimalleveragetoalargerextentifdebtisrenegotiableandthebargainingpoweroftheshareholdersishigh.Theresultprovidethereforeacomplementaryexplanationofthecapitalstructurepuzzlefollowingfromtheobservedlevelsofleveragebeinggenerallylowerthantheoreticallypredicted.Empirically,thecoecientoftheinteractiontermoftherenegotiationfrictionsproxywithTobinsisexpectedtohaveapositivesignintheleverageregression.Finally,themodelgeneratestestableimplicationsfortheoptimalnancingofgrowthoptions.Whenthermisnancedwithprivate,thatisrenegotiable,debt,theoptimalnancingstructureofanewprojectwillentailahigherparticipationofthecreditors.Thisisduetothefactthatahigherleverageratioofthenewprojectisrequiredtoreduceanotherwiselargerineciencyoftheshareholdersinvestmentpolicy. Inthissimplesetup,theendogenousinvestmentvariablewouldbebinary. Since(x and(A.8)itholdsthatTheonlyremainingunknownconstantsareNow,oneneedstoconsidertwocases.Ifrenegotiationisnotallowed(=0),asthetaxshieldisirreversiblylostupondefault.Then,iscalculatedbyapplyingthevalue-matchingcondition )=lim whichgives x Ifrenegotiationisallowedfor(=1),thereisnorestrictionon,anditisdeter-minedsimultaneouslywithusingvalue-matchingcondition(A.10)andthefollowingsmooth-pastingconditionTS xx TS xx Thisresultsin 2 12x and(A.13) 1 12x Theoptimalliquidationtriggercanbefoundbyapplyingthefollowingvalue-matchingandsmooth-pastingconditionstothevalueoftherm: l1) +x l1x l1+L1x 2l1=1,) +1 x l1x l1(x) x=x l1+2L1x Constantcanbedirectlycalculatedfrom(A.15).Multiplyingbothsidesofcon-dition(A.15)by andsubtractingitfrom(A.16)yieldstheimplicitformulafor Thesmooth-pastingconditionreectsthefactthatrenegotiationtrigger isareversibleswitchpointanddoesentailanyoptimization.Continuityoftherstderivativeofthevaluefunctionat isthenrequiredfornoarbitrage(fordetailsseeDumas(1991)). isthestoppingtimeatrealizationofprocess(1).Consequently, x,x x) x , ))isthepresentvalueof$1receiveduponprocesshittingupperbarrier (lowerbarrier )conditionalonnothitting ( )beforeandstartingfromlevel(seeGemanandYor(1996)).Theexpressionsinsquarebracketsin(A.26)arenetpayosassociatedwithhittingthecorrespondingthresholds.For=0,thevalueofthegrowthoptioniscalculatedusingthefactthatinvestmentopportunityislostuponbankruptcyat .Therefore,thisvaluefor canbedecomposedas,where:=( x,x r0)×( ) +( x)( x)( x( x)I+L1 and(A.29)isobtainedbysolvingvalue-matchingcondition(A.17)withanauxiliaryvalue-matchingconditionensuringthecontinuityofthermvalueat .Now,thefollowingsimplicationcanbemade: x Constantiscalculatedanalogouslyasin(A.15)asthereisnogrowthoptionafterbankruptcy.Finally,constantsreectingtheequityholdersvalueofthegrowthanddebtrestructuringoptions,respectively,arecalculatedfrom(A.18)and(A.20):=( x,x 0)×( ) + V1x r1R1x r1 1) +b) r x r12I V0x r0R0x r0 x x r02x r0) +b) Theimplicitformulaefortheoptimalinvestmentthreshold, ,optimaldebtrestruc-turingtrigger, ,andliquidationtrigger, ,areobtainedbypairwiserearrangingequations(A.18) (A.19),(A.20) (A.21),and(A.22) (A.23). ProofofProposition3.Underinvestmentoccursaslongas,sinceinthiscasetheoptimalinvestmentthreshold, ,ishigherthanacorrespondingthreshold Theoption-likecomponentsofequitycanalsobeexpressedalongthelinesof(A.26). shareholderscanmaketake-itorleave-itoers(=1).Then,Iusethefactthatnodierenceoccurswhencreditorsholdtheentirebargainingpower(=0).(Recallthat,for=0,cf.(A.6)and(A.31).)Finally,IshowthatincreaseswithbargainingpowerparameterConsiderrstthevalueofanoptiontorestructuredebtintheabsenceoftheinvestmentoption,.(Obviously,.)Aftersubstituting(7)for (A.33)andobservingthatisobtainedanalogously,itfollowsthat 22r21 kix2 Withrenegotiation,therelevantdierenceequalsls (1)x]2,whichislargerthantheanalogousdierencefornon-renegotiabledebt,t,()x]2(2isnegative).Therefore,whentheeectofthegrowthoptionisdisregarded,thedierenceintheoptionvaluestorestructuredebtfortheoriginalandtheexpandedrmislargerwhendebtisrenegotiable.Now,observethat,i.e.,theoptiontogobankrupt,mustbeworthlessthan(A.37)evaluatedfor=0,astheexpansionoptionincreasestheopportunitycostofbankruptcy(cf.(A.32)).Inotherwords,isalwaysmoreout-of-the-money(orlessin-the-money)than.Therefore,Now,Ishowthatfor=1,.Again,letbethevalueofthedebtrestructuringoptionexercised(possiblynotoptimally)atanexogenouslygiventrigger.Therenegotiationoption,=1isthengivenby r) +B10(y)B11 x2 y x1 Aftersubstituting ,(A.38)canbeexpressedas 1x2=B10x2+B10 1B11x2 1 Furthermore,bysubtractingtheproductof(A.33)andfrom(A.38)(with oneobtainsthat .Thisinequalityisequivalentto Inturn,thelatterimpliesthat,asisaconstantcorrespondingtotheoptionwithanunconstrainedexercisepolicyand,andsuch,cannotbesmallerthan .Therefore,referringbacktoequation(6),thepossibilityofrenegotiationoccurringupondefaultcombinedwithequityholdersmakingtake-itorleave-itoers ReferencesAcharya,ViralV.,andJenniferN.Carpenter,2002,Corporatebondvaluationandhedgingwithstochasticinterestratesandendogenousbankruptcy,ReviewofFinan-cialStudies15,1355 1383.Acharya,ViralV.,JingzhiHuang,MartiG.Subrahmanyam,andRangarajanK.Sun-daram,2006,Whendoesstrategicdebtservicematter?,EconomicTheory29,363 Anderson,Ronald,andSureshSundaresan,1996,Designandvaluationofdebtcon-tracts,ReviewofFinancialStudies9,37 68.Asquith,Paul,RobertGertner,andDavidScharfstein,1994,Anatomyofnancialdistress:Anexaminationofjunkbondissuers,QuarterlyJournalofEconomicsBaldursson,Fridrik,andIoannisKaratzas,1997,IrreversibleinvestmentandindustryFinanceandStochastics1,69 89.Barclay,MichaelJ.,ErwanMorellec,andCliordW.Smith,2006,Onthedebtcapacityofgrowthoptions,JournalofBusiness79,37 60.Betker,BrianL.,1995,Managementsincentives,equitybargainingpower,anddevi-ationsfromtheabsolutepriorityinChapter11bankruptcies,JournalofBusiness68,161 183.Bolton,Patrick,andDavidS.Scharfstein,1996,Optimaldebtstructureandthenum-berofcreditors,JournalofPoliticalEconomy104,1 25.Boyle,GlennW.,andGraemeA.Guthrie,2003,Investment,uncertainty,andliquidity,JournalofFinance58,2143 2166.Christensen,PeterOve,ChristianRiisFlor,DavidLando,andKristianR.Miltersen,2002,Dynamiccapitalstructurewithcallabledebtanddebtrenegotiations,WorkingPaper,UniversityofSouthernDenmark.Dangl,Thomas,andJosefZechner,2004,Creditriskanddynamiccapitalstructurechoice,JournalofFinancialIntermediation13,183 204. 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OptimalInvestment,LiquidationandDebtRestructuringPolicies CouponBargainingCreditorsVolatilityReturnInterestGrowthratepowereciencyshortfallrateoptionsb r I Investmentthreshold, )+++Renegotiationthreshold, Bankruptcythreshold, +00Liquidationthreshold, l0++ Table1:Comparativestaticsconcerningtheoptimalinvestment, ,renegotiation, ,bankruptcy, ,andliquidation, thresholds.+,0,anddenoteapositive,zero,andnegative,respectively,sensitivitywithrespecttothechangesinagivenparameter,and+indicatesanambiguoussignoftherelationship.Thenumbersinbracketsrefertotheexplanatorynotesinthetext.Thenegativeeectofthedecreasingvalueofdebt(with)onunderinvestmentcandominateforlowDespitetheindirecteectofthevalueoftheinvestmentopportunitygenerallydecreasingwith AgencyCostsofDebt CouponBargainingCreditorsVolatilityReturnInterestGrowthratepowereciencyshortfallrateoptionsb rI Agencycostsw/renegotiation,Agencycostsnorenegotiation,Agencycostsratio, Table3:Comparativestaticsconcerningimpactoftheoptiontorenegotiateontheagencycostofdebt.+,0anddenoteapositive,zero,andnegative,respectively,sensitivitywithrespecttothechangesinagivenparameter. ProbabilitiesofDebtRestructuringandInvestment CouponBargainingCreditorsVolatilityReturnInterestGrowthratepowereciencyshortfallrateoptionsb rI Probabilityofinvestment, Probabilityofrenegotiation, Probabilityofbankruptcy, +00 Table5:Comparativestaticsconcerningtherst-passagetimeprobabilitiesassociatedwithinvestment, ,debtrenegotiation, ,andbankruptcy, .+,0anddenoteapositive,zero,andnegative,respectively,sensitivitywithrespecttothechangesinagivenparameter,and+indicatesanambiguoussignoftherelationship.Thenumbersinbracketsrefertotheexplanatorynotesinthetext.SeeProposition5. EquityholdersOptimalInvestmentThresholds 0.5 0.75 1.3 1.4 1.5 1.6 C 1x0xex 0.02 0.04 0.06 0.08 1.4 1.6 1.8 x D 1hx0lx1lx0h 0.5 0.75 1 1.2 1.3 1.4 1.5 1.6 A 1x0xex 0.25 0.5 0.75 1.3 1.4 1.5 1.6 B Figure2:Optimalinvestmentthresholdasafunctionofcouponrate,equityholdersbargainingpower,creditorseciency,andinterestrate x1 thermandtheequityvalue-maximizingthreshold,respectively,inthepresenceofrenegotiationoption; 0 denotethermandtheequityvalue-maximizingthreshold,respectively,fornon-renegotiabledebt. istheall-equityrminvestmentthreshold.Highandlowvolatilityregimes(PanelD)correspondto2and1,respectively. ProbabilitiesofDebtRestructuringandInvestment 0.4 0.6 0.8 0.6 0.7 0.8 0.9 B 0 0 0 0.2 0.4 0.6 0.8 0.4 0.6 0.8 A Figure4:Theratioofprobabilitiesofdebtrenegotiationwithandwithoutthegrowthoption(PanelA)andofinvestmentwithrenegotiableandnon-renegotiabledebt(PanelB)within=5yearsasafunctionofshareholdersbargainingpowerfordierentstartingvaluesofthecashowprocess,