게재 완료Published Portal Services SCOPUS

International Comparison on Efficiency of Portal Service Providers Using Stochastic Frontier Analysis

Kim, Y., Kim, J., Choi, J., Kim, Y. S.

International Journal of u-and e-Service, Science and Technology (2015) Vol. 8 No. 12 pp. 183-186

초록Abstract

This paper identifies industrial characteristics of portal sites using stochastic frontier analysis and tobit regression, proposing that market share and appropriate fixed assets have positive impacts on portal site efficiency.

키워드Keywords

Portal Services
Stochastic Frontier Analysis
Efficiency
Market Share
Tobit Regression
Network Effects
Internet Services
Platform Economics
Productivity Analysis

연구 방법Methodology

연구 분야Research Areas: Internet Services · Efficiency Analysis · Platform Economics · Industrial Organization
방법론Methodology: Stochastic Frontier Analysis · Tobit Regression · Two-stage Analysis · Production Function Estimation
통계 기법Statistical Methods: SFA · Tobit Model · Maximum Likelihood Estimation
분석 도구Software: Stata · Frontier

Research Overview

Efficiency analysis of portal service providers using stochastic frontier analysis (SFA) methodology.

Methodology

Stochastic Frontier Analysis

Production frontier estimation
Efficiency measurement
Technical inefficiency analysis

Tobit Regression

Second-stage analysis
Determinants of efficiency
Factor identification

Key Findings

Efficiency Determinants

Market Share: Positive impact on efficiency
Fixed Assets: Optimal scale importance
Network Effects: Strong influence
Content Quality: Critical factor

Industry Characteristics

Winner-take-most dynamics
Scale economies
First-mover advantages
User lock-in effects

Implications

Strategic insights for portal operators
Market structure understanding
Investment guidance
Competitive strategy development

Publication Details

Journal: International Journal of u-and e-Service, Science and Technology
Volume: 8(12)
Pages: 183-186
Year: 2015