Ce rapport présente une analyse approfondie des procédures utilisées par le Gouvernement du Québec pour réaliser des appels de soumissions et des appels de services. On y trouvera une proposition visant à modifier de manière substantielle la méthode d'évaluation des offres de services...

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 to procure multiple items, which are typically divided...

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 to procure multiple items, which are typically divided...

As globalisation and international sourcing prevail, constructing an optimal combination of diverse suppliers has become of great importance for meeting measurable objectives, such as on-time delivery, cost efficiency and risk mitigation. This paper presents a method for solving a sealed-bid,...

While most e-commerce research focuses on one market based problems, less work has been done on multimarket aggregation. Nowadays it is important to address the multimarket package e-procurement problem if we want to acquire a combination of goods and services from different suppliers and...

As nutrients and sediment in agricultural watersheds continue to degrade water quality, attention is increasingly given to reverse auctions to cost-effectively address these pollutants. Typically, reverse auctions include a selection process which depends on both the monetary bid and a ranking...

Online markets have dramatically decreased costs of search and communication for buyers. By contrast, costs of evaluating purchasing alternatives have become critical due to an overwhelming range of available options. When high, evaluation costs can offset potential gains from transactions and...

Companies increasingly outsource IT-related tasks using reverse auction mechanisms embedded into online marketplaces. However, a considerable proportion of auctions at these marketplaces do not result in a contract between buyer and supplier. Extant literature mostly refers to costly bidding and...

This paper studies a queuing model in which a buyer sources a good or service from a single supplier chosen from a pool of suppliers. The buyer seeks to minimize the sum of her procurement and operating costs, the latter of which depends on the supplier's lead time. The selected supplier can...

In this paper, I study profitability of the name-your-own-price channel (NYOP) in the presence of risk-averse buyers. First, I provide conditions that guarantee that for the monopolistic seller the NYOP is more profitable than the posted price. Second, I consider a more competitive framework...