Petitive Bidding Program: How Are Small Suppliers Faring? Hearing
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A Fair and Secure Reverse Auction for Government Procurement
sustainability Article A Fair and Secure Reverse Auction for Government Procurement Chia-Chen Lin 1,*, Ya-Fen Chang 2, Chin-Chen Chang 3 and Yao-Zhu Zheng 4 1 Department of Computer Science and Information Engineering, National Chin-Yi University of Technology, Taichung 41170, Taiwan 2 Department of Computer Science and Information Engineering, National Taichung University of Science and Technology, Taichung 40401, Taiwan; [email protected] 3 Department of Information Engineering and Computer Science, Feng Chia University, Taichung 40724, Taiwan; [email protected] 4 Department of Computer Science, National Tsing Hua University, Hsinchu 30013, Taiwan; [email protected] * Correspondence: [email protected] Received: 21 August 2020; Accepted: 12 October 2020; Published: 16 October 2020 Abstract: With the development of e-commerce, the electronic auction is attracting the attention of many people. Many Internet companies, such as eBay and Yahoo!, have launched online auction systems. Many researchers have studied the security problems of electronic auction systems, but few of them are multi-attribute-based. In 2014, Shi proposed a provable secure, sealed-bid, and multi-attribute auction protocol based on the semi-honest model. We evaluated this protocol and found that it has some design weaknesses and is vulnerable to the illegal operations of buyers, which results in unfairness. In this paper, we improved this protocol by replacing the Paillier’s cryptosystem with the elliptic curve discrete (ECC), and we designed a novel, online, and multi-attribute reverse-auction system using the semi-honest model. In our system, sellers’ identities are not revealed to the buyers, and the buyers cannot conduct illegal operations that may compromise the fairness of the auction. -
Auctioning One Item
Auctioning one item Tuomas Sandholm Computer Science Department Carnegie Mellon University Auctions • Methods for allocating goods, tasks, resources... • Participants: auctioneer, bidders • Enforced agreement between auctioneer & winning bidder(s) • Easily implementable e.g. over the Internet – Many existing Internet auction sites • Auction (selling item(s)): One seller, multiple buyers – E.g. selling a bull on eBay • Reverse auction (buying item(s)): One buyer, multiple sellers – E.g. procurement • We will discuss the theory in the context of auctions, but same theory applies to reverse auctions – at least in 1-item settings Auction settings • Private value : value of the good depends only on the agent’s own preferences – E.g. cake which is not resold or showed off • Common value : agent’s value of an item determined entirely by others’ values – E.g. treasury bills • Correlated value : agent’s value of an item depends partly on its own preferences & partly on others’ values for it – E.g. auctioning a transportation task when bidders can handle it or reauction it to others Auction protocols: All-pay • Protocol: Each bidder is free to raise his bid. When no bidder is willing to raise, the auction ends, and the highest bidder wins the item. All bidders have to pay their last bid • Strategy: Series of bids as a function of agent’s private value, his prior estimates of others’ valuations, and past bids • Best strategy: ? • In private value settings it can be computed (low bids) • Potentially long bidding process • Variations – Each agent pays only part of his highest bid – Each agent’s payment is a function of the highest bid of all agents • E.g. -
UNCITRAL Considers Electronic Reverse Auctions, As Comparative Public Procurement Comes of Age in the U.S
GW Law Faculty Publications & Other Works Faculty Scholarship 2005 UNCITRAL Considers Electronic Reverse Auctions, as Comparative Public Procurement Comes of Age in the U.S. Christopher R. Yukins George Washington University Law School, [email protected] Don Wallace Jr. Follow this and additional works at: https://scholarship.law.gwu.edu/faculty_publications Part of the Government Contracts Commons Recommended Citation Christopher R. Yukins & Don Wallace Jr., UNCITRAL Considers Electronic Reverse Auctions, as Comparative Public Procurement Comes of Age in the U.S., Pub. Procurement L. Rev. (2005). This Article is brought to you for free and open access by the Faculty Scholarship at Scholarly Commons. It has been accepted for inclusion in GW Law Faculty Publications & Other Works by an authorized administrator of Scholarly Commons. For more information, please contact [email protected]. UNCITRAL Considers Electronic Reverse Auctions, as Comparative Public Procurement Comes of Age in the U.S. Christopher R. Yukins Don Wallace, Jr.1 The United Nations Commission on International Trade Law (UNCITRAL) is revising the UNCITRAL Model Procurement Law, to reflect emerging practices in procurement. That effort, it is hoped, will yield real benefits for emerging nations that rely on the UNCITRAL model law to shape their procurement systems. In late January 2005, as part of that reform effort, the UNCITRAL Secretariat hosted a meeting of international experts in Vienna, Austria, to discuss how electronic auctions should be handled under the Model Law, and to assess the concomitant problem of unrealistically low pricing (known in the European system as "abnormally low bids"). In April 2005, an UNCITRAL working group of representatives from around the world met to develop proposed changes to the UNCITRAL Model Law.2 These efforts will, it is hoped, lead to 1 Christopher Yukins ([email protected]) is an associate professor of government contracts law at The George Washington University Law School, and Don Wallace, Jr. -
English and Vickrey Auctions
CHAPTER ONE English and Vickrey Auctions I describe a bit of the history of auctions, the two pairs of standard auction forms, and the ideas of dominance and strategic equivalence. 1.1 Auctions It is hard to imagine modern civilization without buying and selling, which make possible the division of labor and its consequent wealth (Smith, 1776). For many common and relatively inexpensive commodi ties, the usual and convenient practice at the retail level, in the West anyway, is simply for the seller to post a take-it-or-leave-it price, and for the prospective buyer to choose what to buy and where to buy it, perhaps shopping for favorable prices. I haven’t tried haggling over price at a Wal-Mart, but I can’t imagine it would get me very far. For some big-ticket items, however, like houses and cars, haggling and counteroffers are expected, even in polite society, and bargaining can be extended over many rounds. In some cultures, haggling is the rule for almost all purchases. A third possibility, our subject here, is the auction, where many prospective buyers compete for the opportunity to purchase items, either simultaneously, or over an extended period of time. The main attraction of the auction is that it can be used to sell things with more or less uncertain market value, like a tractor in a farmer’s estate, a manufacturer’s overrun of shampoo, or the final working copy of Beethoven’s score for his Ninth Symphony (see fig. 1.1). It thus promises to fetch as high a price as possible for the seller, while at the same time offering to the buyer the prospect of buying items at bargain prices, or perhaps buying items that would be difficult to buy in any other way. -
Reverse Auction in Pricing Model by Nagabhushan.S.V, Praveen Kulkarni, Dr.K.N
Global Journal of Computer Science and Technology Volume 12 Issue 7 Version 1.0 April 2012 Type: Double Blind Peer Reviewed International Research Journal Publisher: Global Journals Inc. (USA) Online ISSN: 0975-4172 & Print ISSN: 0975-4350 Reverse Auction in Pricing Model By Nagabhushan.S.V, Praveen kulkarni, Dr.K.N. Subramanya & Dr.G.N.Srinivasan R V College of Engineering Abstract - Dynamic price discrimination adjusts prices based on the option value of future sales, which varies with time and units available. This paper surveys the theoretical literature on dynamic price discrimination, and confronts the theories with new data from airline pricing behavior, Consider a multiple booking class airline-seat inventory control problem that relates to either a single flight leg or to multiple flight legs. During the time before the flight, the airline may face the problems of (1) what are the suitable prices for the opened booking classes, and (2) when to close those opened booking classes. This work deals with these two problems by only using the pricing policy. In this paper, a dynamic pricing model is developed in which the demand for tickets is modeled as a discrete time stochastic process. An important result of this work is that the strategy for the ticket booking policy can be reduced to sets of critical decision periods, which eliminates the need for large amounts of data storage. Keywords : Bidding, dynamic pricing, electronic markets, group-buying discounts, Internet based selling, market microstructure, online retailing, pricing mechanism. GJCST Classification: K.4.4 Reverse Auction in Pricing Model Strictly as per the compliance and regulations of: © 2012. -
REVERSE AUCTIONS: the WAY EVERYONE WINS the SIMPLE ECONOMICS of LIVE PRICING a White Paper by Scout RFP
REVERSE AUCTIONS: THE WAY EVERYONE WINS THE SIMPLE ECONOMICS OF LIVE PRICING a white paper by Scout RFP 1 EXECUTIVE SUMMARY Reverse auctions help organizations successfully realize cost-savings without sacrificing quality and supplier relations. For years, they have been a vital piece of the strategic sourcing suite. Despite this, many enterprises have yet to use reverse auctions to their greatest potential. In some cases, sourcing professionals haven’t explored the benefits of reverse auctions and as such have not embraced the methodology. Others have — often valid — concerns about the process. The reality, however, is that using reverse auctions for the right categories drives better business value. To better understand enterprise reverse auctions, we surveyed over 100 sourcing, procurement, and finance professionals from around the world. After compiling their experiences and opinions, we emerged with several conclusions about reverse auctions — from the business world’s perception of them to their wide-ranging capabilities. KEY TAKEAWAYS • Adoption of reverse auctions is rising. They’re most popular among A) large enterprises, both public and private, and B) Millennials and younger GenXers. • Reverse auctions make a bottom-line impact across the enterprise through their ability to increase the efficiency and efficiency of the sourcing department. • Enterprises that successfully run reverse auctions prioritize high quality for a good price, rather than automatically awarding to the lowest bidder. • Successful reverse auctions are run in a buyer’s market to source commodities, simple services, and other items with a low cost of changing. • Collaboration and transparency — two keys factors that contribute to a successful reverse auction — can only be achieved by running the auction through technology that adequately supports it. -
Seeding the Market: Auctioned Put Options for Certified Emission Reductions
policy brief NICHOLAS INSTITUTE FOR ENVIRONMENTAL POLICY SOLUTIONS NI PB 11-06 | August 2011 | nicholasinstitute.duke.edu Seeding the Market Auctioned Put Options for Certified Emission Reductions William A. Pizer, Sanford School of Public Policy and Nicholas Institute for Environmental Policy Solutions, Duke University This policy brief lays out arguments for the auctioned on underserved regions or the most desirable types of put option as a pay-for-performance mechanism that projects. The E.U., for example, is phasing out industrial would allow governments or philanthropic organiza- gas projects and focusing on projects only in the poorest tions to support and catalyze markets for greenhouse countries (Allen 2011; Twidale 2011). Alternatively, one gas emission reductions. The existing offset market, could focus on REDD+ credits, which are an important with its detailed methodologies for calculating emission area of interest for future emissions trading but are cur- reductions, offers tools that could be borrowed by such a rently excluded from virtually all trading systems. mechanism. Auctioned put options could target a subset of Clean Development Mechanism (CDM) projects— At the same time arguments are emerging for public segregated by type of project or country of origin—or an finance to support emission markets on the demand side, entirely different set of activities, such as REDD+.1 The public-sector fiscal constraints and an increasing focus key element is that there must be standardized rules (or on results are creating supply-side pressure. Pay-for- the promise of rules) detailing how emission reductions performance mechanisms allow governments to identify get counted and certified. -
Auctioning of EU ETS Phase II Allowances: How and Why? 137
Auctioning of EU ETS phase II allowances: how and why? 137 RESEARCH ARTICLE www.climatepolicy.com Auctioning of EU ETS phase II allowances: how and why? Cameron Hepburn1*, Michael Grubb2, Karsten Neuhoff 2, Felix Matthes3, Maximilien Tse4 1 St Hugh’s College, Environmental Change Institute and Department of Economics, St Margaret’s Road, Oxford OX2 6LE, UK 2 Faculty of Economics, Cambridge University, Sidgwick Avenue, Cambridge CB3 9DE, UK 3 Öko-Institut, Büro Berlin, Novalisstrasse 10, D-10115 Berlin, Germany 4 Nuffield College, New Road, Oxford OX1 1NF, UK Abstract The European Directive on the EU ETS allows governments to auction up to 10% of the allowances issued in phase II 2008–2012, without constraints being specified thereafter. This article reviews and extends the long- standing debate about auctioning, in which economists have generally supported and industries opposed a greater use of auctioning. The article clarifies the key issues by reviewing six ‘traditional’ considerations, examines several credible options for auction design, and then proposes some new issues relevant to auctioning. It is concluded that greater auctioning in aggregate need not increase adverse competitiveness impacts, and could in some respects alleviate them, particularly by supporting border-tax adjustments. Auctioning within the 10% limit might also be used to dampen price volatility during 2008–2012 and, in subsequent periods, it offers the prospect of supporting a long-term price signal to aid investor confidence. The former is only possible, however, if Member States are willing to coordinate their decision-making (though not revenue-raising) powers in defining and implementing the intended pricing mechanisms. -
“E-Reverse Auctions in Purchasing: the Problem of Designing an Appropriate E-Reverse Auction Solution”
“E-REVERSE AUCTIONS IN PURCHASING: THE PROBLEM OF DESIGNING AN APPROPRIATE E-REVERSE AUCTION SOLUTION” A study submitted in partial fulfilment of the requirements for the degree of Master of Science in Information Systems at THE UNIVERSITY OF SHEFFIELD by ANDREA LOESCH September 2003 i Abstract This dissertation aims to investigate e-reverse auctions in corporate purchasing. The research issue comprises the problem of how to design an appropriate e-reverse auction solution that meets the complex constraints of purchasing. In order to answer that question, a case study was carried out at a German software designer called Hybris. Interviews with both the CSO and the Manager for Technical Support and Training were conducted following the stages of Soft System Methodology (SSM). The revision of previous work suggests that e-reverse auctions are a valid tool for buyers to purchase goods from suppliers as they allow for great cost reductions. They may be applied to different purchasing situations, for instance private B2B exchanges or marketplaces. However, each application area requires its own functionality: The purchasing situation determines which people are involved in the e-reverse auction, what goods are purchased, and which processes need to be included. Regarding the technical environment of e-reverse auction software, the Internet provides a good basis for e-reverse auctions as it greatly reduces the transaction costs and allows to share and display remote data. In addition, technologies such as XML, CGI, and API enable the integration of the e- reverse auction tool with already existing information systems. The research findings correspond to the suggestions of the literature review: The e-reverse auction tool as suggested by Hybris does not only support the essential e-reverse auction processes. -
E-Procurement — Successfully Using and Managing Reverse Auctions
Contract Services E-Procurement — Successfully Using and Managing Reverse Auctions Edward P.Moser rocurement-based processes have By 2001, however, according to the re- begun to govern outsourcing prac- search and consulting firm IDC (Fram- tices in many pharmaceutical com- ingham, MA), many e-marketplaces had panies. This means that transactions folded, while others continued operating Pwith contract service providers will be after layoffs and restructuring. The initial, increasingly incorporated into the e- widespread belief that on-line auctions Today, reverse procurement infrastructure that sponsor would revolutionize and even replace the companies are developing. traditional procurement process now has auctions are Most sponsors still are feeling their way given way to the more realistic view that regarding how they will use their e- they are a sometimes-useful adjunct to es- perceived more procurement capabilities, and an impor- tablished modes of buying and selling. The tant area of experimentation is reverse number of public chemical-industry on- realistically than auctions. Reverse auctions are the oppo- line exchanges has fallen from 74 to 42, site, or reverse, of traditional auctions in according to a December 2001 Gartner G2 in years past but which the seller accepts bids from would- Group report (2). still offer many be buyers. In the reverse auctions that are Reverse auctions are less common in now commonly hosted on Web sites, a the pharmaceutical industry, in which benefits for buyer accepts bids from several would-be highly specialized goods are exchanged sellers and settles on the best offer. Goods less easily on-line. However, auctions have both buyer and are bought and sold, and information is been attempted for the purchase of chemi- exchanged among buyers and sellers in a cal raw materials and early-stage inter- seller. -
I Want to Tell You? Maximizing Revenue in First-Price Two-Stage Auctions Galit Ashkenazi-Golan, Yevgeny Tsodikovich, Yannick Viossat
I Want to Tell You? Maximizing Revenue in First-Price Two-Stage Auctions Galit Ashkenazi-Golan, Yevgeny Tsodikovich, Yannick Viossat To cite this version: Galit Ashkenazi-Golan, Yevgeny Tsodikovich, Yannick Viossat. I Want to Tell You? Maximizing Revenue in First-Price Two-Stage Auctions. 2020. halshs-03078811 HAL Id: halshs-03078811 https://halshs.archives-ouvertes.fr/halshs-03078811 Preprint submitted on 16 Dec 2020 HAL is a multi-disciplinary open access L’archive ouverte pluridisciplinaire HAL, est archive for the deposit and dissemination of sci- destinée au dépôt et à la diffusion de documents entific research documents, whether they are pub- scientifiques de niveau recherche, publiés ou non, lished or not. The documents may come from émanant des établissements d’enseignement et de teaching and research institutions in France or recherche français ou étrangers, des laboratoires abroad, or from public or private research centers. publics ou privés. Working Papers / Documents de travail I Want to Tell You? Maximizing Revenue in First-Price Two-Stage Auctions Galit Ashkenazi-Golan Yevgeny Tsodikovich Yannick Viossat WP 2020 - Nr 44 I Want to Tell You? Maximizing Revenue in First-Price Two-Stage Auctions ∗ Galit Ashkenazi-Golan,y Yevgeny Tsodikovich,z and Yannick Viossatx October 14, 2020 Abstract A common practice in many auctions is to offer bidders an opportunity to improve their bids, known as a Best and Final Offer (BAFO) stage. This final bid can depend on new information provided about either the asset or the competitors. This paper examines the effects of new information regarding competitors, seeking to determine what information the auctioneer should provide assuming the set of allowable bids is discrete. -
Working Paper IIMK/WPS/228/QM&OM/2017/12
Working Paper IIMK/WPS/228/QM&OM/2017/12 March 2017 Nuance of Government Procurement Ethics in India Sidhartha S. Padhi1 1 Assistant Professor, Quantitative Methods and Operations Management Area, Indian Institute of Management Kozhikode, IIMK Campus P.O, Kerala – 673570, India, E-mail: [email protected] , Phone: +91-495- 2809436 1 IIMK WORKING PAPER Nuance of Government Procurement Ethics in India Sidhartha S. Padhi Assistant Professor of QM & OM Area, IIM Kozhikode Abstract: Procurement activities have actual impact on organizational performance, and organizations are increasingly adopting its online version to make procurement even more effective. In the last two decades, electronic procurement (e-procurement) has shown a rising trend of application in industry and government, with the government departments lagging behind their industry counterparts. Unlike procurements in a private firm, public procurements has a multitude of objectives to be achieved whereas at the same such activities has to be performed under stringent and rigid procedural framework. Researchers, worldwide, have shown great interest in (1) identifying the benefits, barriers, and critical success factors for the adoption of e-procurement in government, (2) utilizing the opportunities available in a government setup for proper bidder evaluation, and (3) eliminating the imperfections associated with government procurement in its transition to electronic form. This paper identifies issues influencing adoption of e-procurement, bid evaluation, and collusion in government organizations. Keywords: E-procurement; Bid evaluation; Collusion; Auction: Competitive bidding 2 1. Introduction Economists view procurement as one of the major activities of the government to achieve its social objectives. Unlike procurements in a private organization where ‘cost’, ‘profit’ and ‘competitive advantage’ are the key determinants of procurement policies and system design, public procurement serves a broader objective of social welfare.