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Essays on Digital Platforms: Platform Design and Impact of Digitalization
Essays on Digital Platforms: Platform Design and Impact of Digitalization
Essays on Digital Platforms: Platform Design and Impact of Digitalization

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자료유형  
 학위논문 서양
최종처리일시  
20260202103127
ISBN  
9798283141022
DDC  
020
저자명  
Zuo, Si.
서명/저자  
Essays on Digital Platforms: Platform Design and Impact of Digitalization
발행사항  
[Sl] : Cornell University, 2025
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2025
형태사항  
320 p
주기사항  
Source: Dissertations Abstracts International, Volume: 87-01, Section: A.
주기사항  
Advisor: Waldman, Michael.
학위논문주기  
Thesis (Ph.D.)--Cornell University, 2025.
초록/해제  
요약Digital platforms have fundamentally transformed economic interactions by reducing transaction costs, facilitating information exchange, and shaping market structures. These platforms rely on algorithms, reputation systems, and pricing mechanisms to create efficient marketplaces. However, the design choices of these platforms - such as rating granularity, pricing strategies, and algorithmic personalization - can have profound implications for fairness, efficiency, and long-term market outcomes. At the same time, the rapid digitization of commerce has altered the dynamics of online and offline interactions. While digital platforms provide opportunities for businesses to expand their reach, they also introduce challenges related to market cannibalization and algorithmic dependence.This dissertation examines platform design and the impact of digitization in digital markets. In Chapter 2, I study rating granularity on online platforms by developing a dynamic model that reveals a fairness-efficiency trade-off. Coarser ratings support new entrants but lead to information loss, and I identify an optimal granularity level that maximizes platform revenue. Chapter 3 explores price signaling in service platforms, where I provide empirical evidence that high-quality firms use low introductory prices to build reputation, highlighting the role of pricing in quality discovery. Chapter 4 investigates algorithmic dependence in personalized recommendation systems, demonstrating that while personalization enhances short-term user welfare, it hinders long-term preference learning, with policy interventions proposed to balance these effects. Chapter 5 analyzes the impact of online store openings on brick-and-mortar businesses, showing that product categories react differently to digital expansion, offering new insights into the dynamics of omnichannel retail and providing actionable guidance for adapting mall strategy in the digital era. This dissertation contributes to platform economics, algorithmic personalization, and digital commerce by providing theoretical insights and empirical evidence to guide platform design and business strategy.
일반주제명  
Information science
키워드  
Industrial organization
키워드  
Digital platforms
키워드  
Quantitative marketing
키워드  
Rating
키워드  
Recommendation systems
기타저자  
Cornell University Economics
기본자료저록  
Dissertations Abstracts International. 87-01A.
전자적 위치 및 접속  
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MARC

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■035    ▼a(MiAaPQ)AAI31938979
■040    ▼aMiAaPQ▼cMiAaPQ
■0820  ▼a020
■1001  ▼aZuo,  Si.▼0(orcid)0000-0001-6217-6974
■24510▼aEssays  on  Digital  Platforms:  Platform  Design  and  Impact  of  Digitalization
■260    ▼a[Sl]▼bCornell  University▼c2025
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2025
■300    ▼a320  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  87-01,  Section:  A.
■500    ▼aAdvisor:  Waldman,  Michael.
■5021  ▼aThesis  (Ph.D.)--Cornell  University,  2025.
■520    ▼aDigital  platforms  have  fundamentally  transformed  economic  interactions  by  reducing  transaction  costs,  facilitating  information  exchange,  and  shaping  market  structures.  These  platforms  rely  on  algorithms,  reputation  systems,  and  pricing  mechanisms  to  create  efficient  marketplaces.  However,  the  design  choices  of  these  platforms  -  such  as  rating  granularity,  pricing  strategies,  and  algorithmic  personalization  -  can  have  profound  implications  for  fairness,  efficiency,  and  long-term  market  outcomes.  At  the  same  time,  the  rapid  digitization  of  commerce  has  altered  the  dynamics  of  online  and  offline  interactions.  While  digital  platforms  provide  opportunities  for  businesses  to  expand  their  reach,  they  also  introduce  challenges  related  to  market  cannibalization  and  algorithmic  dependence.This  dissertation  examines  platform  design  and  the  impact  of  digitization  in  digital  markets.  In  Chapter  2,  I  study  rating  granularity  on  online  platforms  by  developing  a  dynamic  model  that  reveals  a  fairness-efficiency  trade-off.  Coarser  ratings  support  new  entrants  but  lead  to  information  loss,  and  I  identify  an  optimal  granularity  level  that  maximizes  platform  revenue.  Chapter  3  explores  price  signaling  in  service  platforms,  where  I  provide  empirical  evidence  that  high-quality  firms  use  low  introductory  prices  to  build  reputation,  highlighting  the  role  of  pricing  in  quality  discovery.  Chapter  4  investigates  algorithmic  dependence  in  personalized  recommendation  systems,  demonstrating  that  while  personalization  enhances  short-term  user  welfare,  it  hinders  long-term  preference  learning,  with  policy  interventions  proposed  to  balance  these  effects.  Chapter  5  analyzes  the  impact  of  online  store  openings  on  brick-and-mortar  businesses,  showing  that  product  categories  react  differently  to  digital  expansion,  offering  new  insights  into  the  dynamics  of  omnichannel  retail  and  providing  actionable  guidance  for  adapting  mall  strategy  in  the  digital  era.  This  dissertation  contributes  to  platform  economics,  algorithmic  personalization,  and  digital  commerce  by  providing  theoretical  insights  and  empirical  evidence  to  guide  platform  design  and  business  strategy.
■590    ▼aSchool  code:  0058.
■650  4▼aInformation  science
■653    ▼aIndustrial  organization
■653    ▼aDigital  platforms
■653    ▼aQuantitative  marketing
■653    ▼aRating
■653    ▼aRecommendation  systems
■690    ▼a0501
■690    ▼a0338
■690    ▼a0723
■71020▼aCornell  University▼bEconomics.
■7730  ▼tDissertations  Abstracts  International▼g87-01A.
■790    ▼a0058
■791    ▼aPh.D.
■792    ▼a2025
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17357078▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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