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A Market Design Perspective on Digital Platforms
A Market Design Perspective on Digital Platforms  / Richard 天夏 Faltings
A Market Design Perspective on Digital Platforms

Detailed Information

자료유형  
 학위논문 서양
최종처리일시  
20260311091520.5
ISBN  
9798270233129
DDC  
332.6
저자명  
Faltings, Richard 天夏
서명/저자  
A Market Design Perspective on Digital Platforms / Richard 天夏 Faltings
발행사항  
[Sl] : The University of Texas at Austin, 2025
형태사항  
1 electronic resource (194 pages)
주기사항  
Source: Dissertations Abstracts International, Volume: 87-06, Section: A.
주기사항  
Advisors: Miravete, Eugenio; Ackerberg, Daniel A. Committee members: Buchholz, Nicholas; Marone, Victoria.
학위논문주기  
- Ph.D. : The University of Texas at Austin, 2025.
초록/해제  
요약Markets are increasingly mediated by digital platforms. This dissertation studies the design of platforms with the goal of improving market efficiency through appropriate prices on externalities users impose on one another. This echoes the lessons from the field of market design, which has shown that even with a fixed set of market participants, the design of a market can have a significant impact on outcomes. At the same time, this dissertation takes seriously the distorted incentives of platforms as profit-seeking entities rather than benevolent social planners, following the long literature on competition between two-sided platforms.In the first chapter, I study pricing equilibria among micro mobility platforms in Washington D.C., which offer electric scooters with flexible drop off locations. Current pricing schemes use simple two-part tariffs based on distance or time, ignoring the externality of users' destination choices on the supply distribution, and pricing fails to account for varying demand across origins. Full origin-destination pricing faces both regulatory barriers (due to equity concerns) and implementation challenges. To address these issues, I develop a reinforcement learning algorithm to compute flexible profit-maximizing prices and estimate a demand model for Washington D.C. to evaluate distributional impacts of flexible pricing. My analysis reveals that while peripheral neighborhoods experience modest negative effects, these are outweighed by substantial welfare gains in the city core, with no clear correlation to neighborhood income levels.The next two chapters both focus on the US trucking market, using data from a digital broker's auction platform. In the second chapter, I focus on temporal frictions in the dynamic shipment allocation process: as carriers search for shipments sequentially, they may exit the market before seeing their ideal shipment. As a remedy, the platform's generous cancellation policy allows carriers to tentatively match with a shipment while continuing to search for better opportunities. To evaluate the efficient price of cancellations, I estimate a structural model of the market and simulate the effects of different cancellation policies on market outcomes. I find that low penalties for reneging are both welfare- and profit-maximizing, so long as the penalties are imposed through a non-pecuniary reputational mechanism that does not generate any direct revenues. If pecuniary penalties can feasibly be collected with minimal transaction costs, I find that the platform can extract more surplus from the market by marking up the fee for the right to renege.The third chapter shifts attention to the spatial dimension of the trucking market. Using data from the same digital brokerage platform, we first develop a more stylized auction model that abstracts away the temporal dimension, allowing us to invert bids into costs on a large scale. Using the inverted costs, we estimate a flexible carrier cost function to separate fixed costs, per-mile costs, home preferences, and continuation values. We then develop a spatial equilibrium model allowing us to simulate various policy interventions in the freight market. Our richly micro-founded model enables us to evaluate both conventional supply-side interventions like entry subsidies and changes to the design of the broker's auction platform.
언어주기  
English
일반주제명  
Web studies
일반주제명  
Information science
키워드  
Markets
키워드  
Digital platforms
키워드  
Auction platform
키워드  
Digital broker
기타저자  
The University of Texas at Austin Economics
기본자료저록  
Dissertations Abstracts International. 87-06A.
전자적 위치 및 접속  
로그인 후 원문을 볼 수 있습니다.

MARC

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■1001  ▼aFaltings,  Richard  天夏▼eauthor.
■24512▼aA  Market  Design  Perspective  on  Digital  Platforms  ▼cRichard  天夏  Faltings
■260    ▼a[Sl]▼bThe  University  of  Texas  at  Austin▼c2025
■264  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2025
■300    ▼a1  electronic  resource  (194  pages)
■336    ▼atext▼btxt▼2rdacontent
■337    ▼acomputer▼bc▼2rdamedia
■338    ▼aonline  resource▼bcr▼2rdacarrier
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  87-06,  Section:  A.
■500    ▼aAdvisors:  Miravete,  Eugenio;  Ackerberg,  Daniel  A.    Committee  members:  Buchholz,  Nicholas;  Marone,  Victoria.
■5021  ▼bPh.D.▼cThe  University  of  Texas  at  Austin▼d2025.
■520    ▼aMarkets  are  increasingly  mediated  by  digital  platforms.  This  dissertation  studies  the  design  of  platforms  with  the  goal  of  improving  market  efficiency  through  appropriate  prices  on  externalities  users  impose  on  one  another.  This  echoes  the  lessons  from  the  field  of  market  design,  which  has  shown  that  even  with  a  fixed  set  of  market  participants,  the  design  of  a  market  can  have  a  significant  impact  on  outcomes.  At  the  same  time,  this  dissertation  takes  seriously  the  distorted  incentives  of  platforms  as  profit-seeking  entities  rather  than  benevolent  social  planners,  following  the  long  literature  on  competition  between  two-sided  platforms.In  the  first  chapter,  I  study  pricing  equilibria  among  micro  mobility  platforms  in  Washington  D.C.,  which  offer  electric  scooters  with  flexible  drop  off  locations.  Current  pricing  schemes  use  simple  two-part  tariffs  based  on  distance  or  time,  ignoring  the  externality  of  users'  destination  choices  on  the  supply  distribution,  and  pricing  fails  to  account  for  varying  demand  across  origins.  Full  origin-destination  pricing  faces  both  regulatory  barriers  (due  to  equity  concerns)  and  implementation  challenges.  To  address  these  issues,  I  develop  a  reinforcement  learning  algorithm  to  compute  flexible  profit-maximizing  prices  and  estimate  a  demand  model  for  Washington  D.C.  to  evaluate  distributional  impacts  of  flexible  pricing.  My  analysis  reveals  that  while  peripheral  neighborhoods  experience  modest  negative  effects,  these  are  outweighed  by  substantial  welfare  gains  in  the  city  core,  with  no  clear  correlation  to  neighborhood  income  levels.The  next  two  chapters  both  focus  on  the  US  trucking  market,  using  data  from  a  digital  broker's  auction  platform.  In  the  second  chapter,  I  focus  on  temporal  frictions  in  the  dynamic  shipment  allocation  process:  as  carriers  search  for  shipments  sequentially,  they  may  exit  the  market  before  seeing  their  ideal  shipment.  As  a  remedy,  the  platform's  generous  cancellation  policy  allows  carriers  to  tentatively  match  with  a  shipment  while  continuing  to  search  for  better  opportunities.  To  evaluate  the  efficient  price  of  cancellations,  I  estimate  a  structural  model  of  the  market  and  simulate  the  effects  of  different  cancellation  policies  on  market  outcomes.  I  find  that  low  penalties  for  reneging  are  both  welfare-  and  profit-maximizing,  so  long  as  the  penalties  are  imposed  through  a  non-pecuniary  reputational  mechanism  that  does  not  generate  any  direct  revenues.  If  pecuniary  penalties  can  feasibly  be  collected  with  minimal  transaction  costs,  I  find  that  the  platform  can  extract  more  surplus  from  the  market  by  marking  up  the  fee  for  the  right  to  renege.The  third  chapter  shifts  attention  to  the  spatial  dimension  of  the  trucking  market.  Using  data  from  the  same  digital  brokerage  platform,  we  first  develop  a  more  stylized  auction  model  that  abstracts  away  the  temporal  dimension,  allowing  us  to  invert  bids  into  costs  on  a  large  scale.  Using  the  inverted  costs,  we  estimate  a  flexible  carrier  cost  function  to  separate  fixed  costs,  per-mile  costs,  home  preferences,  and  continuation  values.  We  then  develop  a  spatial  equilibrium  model  allowing  us  to  simulate  various  policy  interventions  in  the  freight  market.  Our  richly  micro-founded  model  enables  us  to  evaluate  both  conventional  supply-side  interventions  like  entry  subsidies  and  changes  to  the  design  of  the  broker's  auction  platform.
■546    ▼aEnglish
■590    ▼aSchool  code:  0227
■650  4▼aWeb  studies
■650  4▼aInformation  science
■653    ▼aMarkets
■653    ▼aDigital  platforms
■653    ▼aAuction  platform
■653    ▼aDigital  broker
■7102  ▼aThe  University  of  Texas  at  Austin▼bEconomics.▼edegree  granting  institution.
■7201  ▼aMiravete,  Eugenio▼edegree  supervisor.
■7201  ▼aAckerberg,  Daniel  A.▼edegree  supervisor.
■7730  ▼tDissertations  Abstracts  International▼g87-06A.
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17361253▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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