Trust is a crucial factor in e-commerce. However, consumers are less likely to trust unknown Web sites. This study explores how less-familiar e-commerce Web sites can use branding alliances and Web site quality to increase the likelihood of initial consumer trust. We use the associative network...

This article provides an overview of the literature on the psychological value of time. It discusses various determinants of the discount rate and the possibility of hyperbolic discounting. The historical approach helps us to trace the origins of the concept of psychological value of time. This...

An organic label offers a market signal for producers of organic food products. In Western economies, the label has gained high recognition, but organic food still represents a small part of total food consumption, which raises questions about the label's efficacy. By considering organic labels...

La maîtrise du risque sanitaire des aliments fait partie intégrante de la stratégie des firmes agro-alimentaires. Ces entreprises mettent en place des dispositifs organisationnels aptes à générer une maîtrise efficiente des risques, à travers la conformation à des référentiels assez...

We characterize the competitive equilibrium on the credit market when borrowers can strategically default. We assume that the audit is subject of errors of the two types and that lenders cannot commit ex-ante. We determine the penalty, the loan rate, the audit and strategic default...

This paper reconsiders the theory of existence of efficient allocations and equilibria when consumption sets are unbounded below under the assumption that agents have incomplete preferences. Our model is motivated by an example in the theory of assets with short-selling where there is risk and...

This article is centred on the volatility of commodity prices. It presents the instruments offering a protection against volatility and shows how they can be employed. The first section exposes these derivative instruments. It distinguishes them in step with the need they respond and the way...

This paper uses a stylised asset-pricing model to show that sunspots may cause asset returns to be predictable, a widely documented feature of many speculative markets. This result parallels and extends previous works showing that sunspots render asset prices excessively volatile.

Acteurs incontournables des marchés financiers, les hedge funds demeurent mal connus. Qui sont-ils ? Quelles sont leur techniques de gestion ? Qu'offrent-ils de différent en termes de performance et de risque ?