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Essays on Sovereign Debt Auctions
Essays on Sovereign Debt Auctions
Essays on Sovereign Debt Auctions

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자료유형  
 학위논문 서양
최종처리일시  
20250211152643
ISBN  
9798383702512
DDC  
658
저자명  
Alves Monteiro, Ricardo.
서명/저자  
Essays on Sovereign Debt Auctions
발행사항  
[Sl] : University of Minnesota, 2024
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2024
형태사항  
197 p
주기사항  
Source: Dissertations Abstracts International, Volume: 86-02, Section: A.
주기사항  
Advisor: Amador, Manuel;Kehoe, Timothy J.
학위논문주기  
Thesis (Ph.D.)--University of Minnesota, 2024.
초록/해제  
요약This dissertation consists of three chapters. In the first chapter, using a dataset containing individual bids on Portuguese debt auctions, I document changes in investors' demand for sovereign debt during a debt crisis. I find that bid functions become more inelastic during the crisis. Particularly, the inverse of the price elasticity is, on average, up to thirteen times larger leading up to and during the crisis. That is, on average, in order to increase the amount raised by 1%, the price would need to decrease, in percentage terms, by thirteen times more than it had before the crisis. I then decompose the changes in demand into two components: a fundamental component, due to changes in valuation, and a strategic component, that arises from investors' market power. Although the role of market power is negligible in normal times, it gets more pronounced leading up and during the crisis. The auction mechanism loses efficiency during that period as the government is not able to extract the full surplus from strategic investors. At their peak, inefficiency costs jump to 0.6% of the issued amount. Finally, I discuss a possible mitigation strategy. Everything else constant, shorter maturities should be used to avoid higher inefficiency costs.The second chapter is joint work with Stelios Fourakis. We study the impact that alternative ways of issuing sovereign debt have on borrowing decisions and the cost of debt. We build a model of sovereign borrowing and default with repeated auctions, disciplined with proprietary bid level data. We calibrate the model to the Portuguese economy and find that it generates spreads with a volatility that significantly exceeds their mean, as in the data, a documented shortcoming of previous sovereign debt models. We then use the calibrated model to perform a counterfactual, comparing the two most common types of auction: uniform and discriminatory price auctions. We find that switching to a uniform protocol constitutes a Pareto improvement, and that the difference in welfare is highest during crises (up to 0.6% of permanent consumption in the small open economy). This result aligns with the observed switch to a uniform protocol in Portugal following the sovereign debt crisis of the 2010s. We find that accounting for dynamic effects is crucial. In a single auction setting, given standard values for risk aversion of the government, the discriminatory protocol is optimal. However, with repeated auctions, the insurance properties of the discriminatory protocol lead to over-borrowing. This mechanism, and its effect on prices, makes the uniform protocol a better option.The third chapter is joint with Stelios Fourakis. We study how different auction protocols make the government more or less vulnerable to multiplicity driven by self-fulfilling prophecies. First, we describe how using a discriminatory price protocol may create a new type of static multiplicity: as investors pay as bid, equilibrium bids depend on investors' beliefs about how much debt the government is going to issue in a given auction, and different beliefs may support different equilibria. Then, we show that for linear flow utility the equilibrium under a discriminatory price protocol is still unique. We conjecture that this static multiplicity requires a substantial level of risk aversion (as in Stangebye (2020)) and for low risk aversion, we should still expect uniqueness. Finally, we show that using the discriminatory price protocol eliminates the type of multiplicity found in Calvo (1988). 
일반주제명  
Finance
키워드  
Default risk
키워드  
Demand elasticity
키워드  
Dilution
키워드  
Market power
키워드  
Multiplicity
키워드  
Sovereign debt auctions
기타저자  
University of Minnesota Economics
기본자료저록  
Dissertations Abstracts International. 86-02A.
전자적 위치 및 접속  
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■1001  ▼aAlves  Monteiro,  Ricardo.
■24510▼aEssays  on  Sovereign  Debt  Auctions
■260    ▼a[Sl]▼bUniversity  of  Minnesota▼c2024
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2024
■300    ▼a197  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  86-02,  Section:  A.
■500    ▼aAdvisor:  Amador,  Manuel;Kehoe,  Timothy  J.
■5021  ▼aThesis  (Ph.D.)--University  of  Minnesota,  2024.
■520    ▼aThis  dissertation  consists  of  three  chapters.  In  the  first  chapter,  using  a  dataset  containing  individual  bids  on  Portuguese  debt  auctions,  I  document  changes  in  investors'  demand  for  sovereign  debt  during  a  debt  crisis.  I  find  that  bid  functions  become  more  inelastic  during  the  crisis.  Particularly,  the  inverse  of  the  price  elasticity  is,  on  average,  up  to  thirteen  times  larger  leading  up  to  and  during  the  crisis.  That  is,  on  average,  in  order  to  increase  the  amount  raised  by  1%,  the  price  would  need  to  decrease,  in  percentage  terms,  by  thirteen  times  more  than  it  had  before  the  crisis.  I  then  decompose  the  changes  in  demand  into  two  components:  a  fundamental  component,  due  to  changes  in  valuation,  and  a  strategic  component,  that  arises  from  investors'  market  power.  Although  the  role  of  market  power  is  negligible  in  normal  times,  it  gets  more  pronounced  leading  up  and  during  the  crisis.  The  auction  mechanism  loses  efficiency  during  that  period  as  the  government  is  not  able  to  extract  the  full  surplus  from  strategic  investors.  At  their  peak,  inefficiency  costs  jump  to  0.6%  of  the  issued  amount.  Finally,  I  discuss  a  possible  mitigation  strategy.  Everything  else  constant,  shorter  maturities  should  be  used  to  avoid  higher  inefficiency  costs.The  second  chapter  is  joint  work  with  Stelios  Fourakis.  We  study  the  impact  that  alternative  ways  of  issuing  sovereign  debt  have  on  borrowing  decisions  and  the  cost  of  debt.  We  build  a  model  of  sovereign  borrowing  and  default  with  repeated  auctions,  disciplined  with  proprietary  bid  level  data.  We  calibrate  the  model  to  the  Portuguese  economy  and  find  that  it  generates  spreads  with  a  volatility  that  significantly  exceeds  their  mean,  as  in  the  data,  a  documented  shortcoming  of  previous  sovereign  debt  models.  We  then  use  the  calibrated  model  to  perform  a  counterfactual,  comparing  the  two  most  common  types  of  auction:  uniform  and  discriminatory  price  auctions.  We  find  that  switching  to  a  uniform  protocol  constitutes  a  Pareto  improvement,  and  that  the  difference  in  welfare  is  highest  during  crises  (up  to  0.6%  of  permanent  consumption  in  the  small  open  economy).  This  result  aligns  with  the  observed  switch  to  a  uniform  protocol  in  Portugal  following  the  sovereign  debt  crisis  of  the  2010s.  We  find  that  accounting  for  dynamic  effects  is  crucial.  In  a  single  auction  setting,  given  standard  values  for  risk  aversion  of  the  government,  the  discriminatory  protocol  is  optimal.  However,  with  repeated  auctions,  the  insurance  properties  of  the  discriminatory  protocol  lead  to  over-borrowing.  This  mechanism,  and  its  effect  on  prices,  makes  the  uniform  protocol  a  better  option.The  third  chapter  is  joint  with  Stelios  Fourakis.  We  study  how  different  auction  protocols  make  the  government  more  or  less  vulnerable  to  multiplicity  driven  by  self-fulfilling  prophecies.  First,  we  describe  how  using  a  discriminatory  price  protocol  may  create  a  new  type  of  static  multiplicity:  as  investors  pay  as  bid,  equilibrium  bids  depend  on  investors'  beliefs  about  how  much  debt  the  government  is  going  to  issue  in  a  given  auction,  and  different  beliefs  may  support  different  equilibria.  Then,  we  show  that  for  linear  flow  utility  the  equilibrium  under  a  discriminatory  price  protocol  is  still  unique.  We  conjecture  that  this  static  multiplicity  requires  a  substantial  level  of  risk  aversion  (as  in  Stangebye  (2020))  and  for  low  risk  aversion,  we  should  still  expect  uniqueness.  Finally,  we  show  that  using  the  discriminatory  price  protocol  eliminates  the  type  of  multiplicity  found  in  Calvo  (1988). 
■590    ▼aSchool  code:  0130.
■650  4▼aFinance
■653    ▼aDefault  risk
■653    ▼aDemand  elasticity
■653    ▼aDilution
■653    ▼aMarket  power
■653    ▼aMultiplicity
■653    ▼aSovereign  debt  auctions
■690    ▼a0501
■690    ▼a0508
■690    ▼a0770
■71020▼aUniversity  of  Minnesota▼bEconomics.
■7730  ▼tDissertations  Abstracts  International▼g86-02A.
■790    ▼a0130
■791    ▼aPh.D.
■792    ▼a2024
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17163247▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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