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Influencing Factors Analysis for the Number of Participants in Public Contracts Using Big Data  

Choi, Tae-Hong (충북대학교 경영정보학과/조달청)
Lee, Kyung-Hee (충북대학교 빅데이터학과)
Cho, Wan-Sup (충북대학교 경영정보학과)
Publication Information
The Journal of Bigdata / v.3, no.2, 2018 , pp. 87-99 More about this Journal
Abstract
This study analyze the factors affecting the number of bidders in public contracts by collecting contract data such as purchase of goods, service and facility construction through KONEPS among various forms of public contracts. The reason why the number of bidders is important in public contracts is that it can be a minimum criterion for judging whether to enter into a rational contract through fair competition and is closely related to the budget reduction of the ordering organization or the profitability of the bidders. The purpose of this study is to analyze the factors that determine the participation of bidders in public contracts and to present the problems and policy implications of bidders' participation in public contracts. This research distinguishes the existing sampling based research by analyzing and analyzing many contracts such as purchasing, service and facility construction of 4.35 million items in which 50,000 public institutions have been placed as national markets and 300,000 individual companies and corporations participated. As a research model, the number of announcement days, budget amount, contract method and winning bid is used as independent variables and the number of bidders is used as a dependent variable. Big data and multidimensional analysis techniques are used for survey analysis. The conclusions are as follows: First, the larger the budget amount of public works projects, the smaller the number of participants. Second, in the contract method, restricted competition has more participants than general competition. Third, the duration of bidding notice did not significantly affect the number of bidders. Fourth, in the winning bid method, the qualification examination bidding system has more bidders than the lowest bidding system.
Keywords
public contract; budget amount; contract method; duration of bidding notice; winning bid method; number of bidders;
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