An increasing number of commercial companies are using online reverse auctions for their sourcing activities. In … reverse auctions, multiple suppliers bid for a contract from a buyer for selling goods and/or services. Usually, the buyer has … proposed for reverse auctions. Agglomerative clustering is used for determining the items that will be put in the same lot. A …

An increasing number of commercial companies are using online reverse auctions for their sourcing activities. In … reverse auctions, multiple suppliers bid for a contract from a buyer for selling goods and/or services. Usually, the buyer has … proposed for reverse auctions. Agglomerative clustering is used for determining the items that will be put in the same lot. A …

Online reverse auctions generate real-time bidding data that could be used via appropriate statistical estimation to … assist the corporate buyer's procurement decision. To this end, we develop a method, called BidAnalyzer, which estimates … auction, we illustrate the application of BidAnalyzer by estimating several dynamic bidding models to obtain empirical …

. Nowadays it is important to address the multimarket package e-procurement problem if we want to acquire a combination of goods … combined negotiations, creating a seamless of information flow with different heterogeneous markets, suppliers, and partners …, and finally concluding transactions. Several commercial e-procurement applications already automate some aspects of the …

post. We show that this is achieved by bilateral negotiations but not by auctions. Negotiations strictly outperforms … use of negotiations as a procurement mechanism in private industry. …For the procurement of complex goods the early exchange of information is important to avoid costly renegotiation ex …