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...

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...

The outcome of non-binding reverse auctions critically depends on how information is distributed during the bidding process. We use data from a large European procurement platform to study the impact of different information structures, specifically the availability of quality information to the...

This research analyzes how consumers' bidding costs and expectations about the threshold price impact a Name-Your-Own-Price (NYOP) retailer. We find that an NYOP retailer's profit may increase if consumers learn the product's true price threshold distribution. Inaccurate expectations can be...

Small firms face distinct problems and opportunities when procuring IT resources. Whereas previous work focused at the level of firm or buyer-supplier dyad, we address portfolios of buyer-supplier relationships at an online marketplace for IT services. Using the portfolio approach, we develop a...

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...