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    Please use this identifier to cite or link to this item: https://nccur.lib.nccu.edu.tw/handle/140.119/131781


    Title: 以Double-LASSO評估政府採購案中招標方式及決標原則對標比的影響
    Using Double-LASSO to Assess the Influence of Tendering Method and Bid Decision Principle on Bid-Ratio in Government Procurement Cases
    Authors: 張雅淳
    Contributors: 黃柏鈞
    張雅淳
    Keywords: 政府採購案
    招標方式
    決標原則
    標比
    特徵選取機制
    雙重變數選擇
    Double-LASSO
    LASSO
    Date: 2020
    Issue Date: 2020-09-02 12:45:05 (UTC+8)
    Abstract: 本研究分析臺北市政府轄下某機關3,276筆公開決標資訊，利用多元迴歸分析法估計處置變數「招標方式」及「決標原則」對被解釋變數「標比」的影響程度。為了避免遺漏變數，透過計量方法Double-LASSO選擇合適的控制變數。
    研究結果顯示，在無控制變數，單純以「招標方式」及「決標原則」作為變數分析時，最有利標決標原則及限制性招標對「標比」的影響係顯著的。當改以Double-LASSO挑選控制變數時，從74個變數中挑出40個遺漏變數，此時最有利標決標原則仍然呈現顯著，但招標方式全部呈現不顯著。簡言之「招標方式」及「決標原則」對「標比」的影響會隨著控制變數之增加而越來越不顯著，本研究中唯一持續呈現顯著且負相關的變數是「投標家數」。
    This study analyzes 3,276 public bidding information of an institution under the Taipei City Government, using multiple regression analysis to estimate the degree of impact of "tendering method" and " bid decision principle " on "bid-ratio". In order to avoid omission of variables, the study selects appropriate control variables by the measurement method Double-LASSO.
    The results of the study show that when there are no control variables and only "tendering method" and "bid decision principle" are used to explain the variable analysis, the impact of best value principle and the revised bidding on "bid-ratio" are significant respectively. When using Double-LASSO to select control variables, it picks out 40 missing variables from 74 variables. At this time, the impact of best value principle is still significant, but all tendering methods are not significant. In short, the impact of "tendering method" and "bid decision principle " on "bid-ratio" will become less and less significant with the increase of control variables. The only variable in this study that continues to show significant and negative correlation is "number of bidders".
    Reference: 中文部分
    1、王麗華(2006)。底價的訂定與決標金額預測之研究−以X機關未達公告金額購案為例。國防大學國防管理學院後勤管理研究所碩士論文。
    2、呂宗霖(2015)。政府採購最低標案件預算價格與決標價格比值之探索性研究。國防大學國防管理學院財務管理學系碩士班碩士論文。
    3、余名傑(2016)。契約彈性與採購實務經驗對採購效率之影響。國防大學國防管理學院運籌管理學系碩士班碩士論文。
    4、陳慶隆(2016)。我國政府資訊服務採購案件影響因素之分析。國立政治大學社會科學學院行政管理碩士學程第15 屆碩士論文。
    5、李思潔(2013)。政府採購案件底價與決標金額間差異影響因素之研究-以改制後直轄市為例。國立中正大學會計資訊與法律數位學習碩士在職專班碩士論文。
    6、顏宇俊(2008)。Lasso一致性的經驗研究。國立東華大學應用數學研究所碩士論文。
    7、溫邦淳(2015)。利用Fused LASSO對倖存資料進行分析。國立清華大學碩士論文。
    8、行政院公共工程委員會(2020)。政府採購法令彙編。行政院公共工程委員會，臺北。
    9、謝哲勝、李金松(2019)。政府採購法實用：廉政、透明、效能。元照出版有限公司，臺北。

    文部分
    1、Tibshirani, R. (1996). Regression Shrinkage and Selection via the LASSO. Journal of the Royal Statistical Society. Series B (Methodological) 58, 267–288.
    2、Belloni, A., Chernozhukov, V., and Hansen, C. (2014). High-Dimensional Methods and Inference on Structural and Treatment Effects. Journal of Economic Perspectives, 28(2), 29-50.
    3、Wooldridge, Jeffrey M. (2012). Introductory Econometrics–A Modern Approach, 5rd Edition. South-Western College Pub.

    網路部分
    1、政府電子採購網，上網日期108年3月5日，取自：https://web.pcc.gov.tw/pishtml/pisindex.html
    2、臺灣法律網 > 法律知識庫 > 採購工程 > 採購工程專欄，上網日期109年3月1日，取自：http://www.lawtw.com/article.php?template=article_category_list&area=free_browse&article_category_id=886
    Description: 碩士
    國立政治大學
    經濟學系
    106258016
    Source URI: http://thesis.lib.nccu.edu.tw/record/#G0106258016
    Data Type: thesis
    DOI: 10.6814/NCCU202001386
    Appears in Collections:[Department of Economics] Theses

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