Browsing by Author "Ungar, Lyle H."

Now showing items 1-8 of 8

    • Book  

      Dual Pricing and the Information Deficit in Electronic Markets 

      Markopoulos, Panos M.; Aron, Ravi; Ungar, Lyle H. (2002)
    • Article  

      Dual pricing in electronic markets 

      Markopoulos, Panos M.; Aron, Ravi; Ungar, Lyle H. (2003)
    • Conference Object  

      How do infomediaries affect firms' information strategies, and how do they impact buyer and social welfare? 

      Markopoulos, Panos M.; Aron, Ravi; Ungar, Lyle H. (Affiliation: Business and Public Administration, University of Cyprus, P.O. Box 20537, Nicosia, CY-1678, CyprusAffiliation: Carey Business School, Johns Hopkins University, 100 International Drive, Baltimore, MD 21202, United StatesAffiliation: Computer and Information Science, University of Pennsylvania, 504 Levine, 200 S. 33rd St, Philadelphia, PA 19104-6309, United StatesCorrespondence Address: Business and Public Administration, University of Cyprus, P.O. Box 20537, Nicosia, CY-1678, Cyprus, 2013)
      Product information websites have become ubiquitous. This article explores their impact on firm profitability, consumer surplus, and social welfare. Using an analytical model, we show that firms take advantage of such ...
    • Article  

      Information markets for product attributes: A game theoretic, dual pricing mechanism 

      Markopoulos, Panos M.; Aron, Ravi; Ungar, Lyle H. (2010)
      We model the availability of information about product attributes in Internet-based markets, focusing on a phenomenon that we term as information deficit (availability of less than perfect information about product attributes) ...
    • Conference Object  

      Is online product information availability driven by quality or differentiation? 

      Markopoulos, Panos M.; Aron, Ravi; Ungar, Lyle H. (Affiliation: The Wharton School, University of Pennsylvania, Philadelphia, PA, United StatesCorrespondence Address: Markopoulos, P. M.The Wharton School, University of Pennsylvania, Philadelphia, PA, United Statesemail: markopou@wharton.upenn.edu, 2005)
      We present a game theoretic model for the availability of product information in Internet markets, where buyers can search for multiple products in parallel. We use a multiple-circle variation of Salop's "unit circle" model ...
    • Conference Object  

      Pricing price information in E-commerce [Extended Abstract] 

      Markopoulos, Panos M.; Ungar, Lyle H. (Affiliation: Computer and Information Sci. Dept., University of Pennsylvania, Pittsburgh, PA, United StatesCorrespondence Address: Markopoulos, P.M.Computer and Information Sci. Dept., University of Pennsylvania, Pittsburgh, PA, United Statesemail: markopou@unagi.cis.upenn.edu, 2001)
      Shopbots and Internet sites that help users locate the best price for a product are changing the way people shop by providing valuable information on goods and services. This paper presents a first attempt to measure the ...
    • Article  

      Product Information Websites: Are They Good for Consumers? 

      Markopoulos, Panos M.; Aron, Ravi; Ungar, Lyle H. (2016)
      Product information websites have become ubiquitous in supporting B2C E-Commerce. This study explores their impact on firm profitability, consumer surplus, and social welfare. Using an analytical model, we show that firms ...
    • Article  

      Shopbots and Pricebots in Electronic Service Markets 

      Markopoulos, Panos M.; Ungar, Lyle H. (2002)