Joint Private Safety Standards and Vertical Relationships in Food Retailing

In recent years, it has become common for downstream firms to impose Joint Private Standards (JPSs) on upstream producers. In this paper, we present an original model of a vertical relationship, explaining the incentives for and the effects of such JPSs with an example concerning food safety. The risk of a food crisis is endogenously determined. Using the concept of cartel stability ( d’Aspremont et al., 1983 ), it is shown that liability rules are crucial for JPSs to emerge, that a JPS can become a minimum quality standard, and that a more stringent JPS does not necessarily reduce the market risk.     

DO PEERS AFFECT STUDENT ACHIEVEMENT? EVIDENCE FROM CANADA USING GROUP SIZE VARIATION

We provide the first empirical application of a new approach proposed by Lee (Journal of Econometrics 2007; 140 (2), 333–374) to estimate peer effects in a linear‐in‐means model when individuals interact in groups. Assumingsufficient group size variation, this approach allows to control for correlated effects at the group level and to solve the simultaneity (reflection) problem. We clarify the intuition behind identification of peer effects in the model. We investigate peer effects in student achievement in French, Science, Mathematics and History in secondary schools in the Province of Québec (Canada). We estimate the model using conditional maximum likelihood and instrumental variables methods. We find some evidence of peer effects. The endogenous peer effect is large and significant in Mathematics but imprecisely estimated in the other subjects. Some contextual peer effects are also significant. In particular, for most subjects, the average age of peers has a negative effect on own test score. Using calibrated Monte Carlo simulations, we find that high dispersion in group sizes helps with potential issues of weak identification. Copyright © 2012 John Wiley & Sons, Ltd.     

Consumer Response to Product Form in Technology‐Based Industries

Product design is a key driver of competitive advantage and new product success. Relative to its importance, product design remains an underresearched area. The authors address this issue by examining the moderating effects of consumer innovativeness and design acumen on consumer response to product form—i.e., the product's visual appearance. Using subjects from the United Kingdom, these effects were tested with a technology‐based product that is expected to be introduced to market in the near future. A technological innovation was chosen because such products are often characterized by an accelerating pace of innovation and shortening life cycles. In such contexts, the product's visual appearance is often critical to success because it drives inferences about the technical capabilities and functional novelty. Our findings indicate that for more innovative consumers, an innovative product form can further enhance perceived value, product liking, and purchase intention. Furthermore, for consumers who possess more design acumen, an innovative product form can increase perceived value and product liking. An innovative product form was not found to enhance purchase intention for consumers with higher levels of design acumen. A primary implication of the study is to consider target market characteristics such as consumer innovativeness and design acumen when selecting a product form strategy. Additional implications include involving consumer innovators in the development and evaluation of product forms and involving consumers with greater design acumen early in the product's introduction so that they may influence other buyers.     

Patent law and complementary innovations

This paper explores which patent policy should be applied to complementary innovations that are aggregated into broader technologies. I compare a setting in which complementary innovations must be bundled prior to patenting, with a second setting in which they can be patented separately. The first setting can improve static efficiency by avoiding the costs resulting from the scattering of complementary patents. But it also limits the disclosure of small innovations, which may lead to inefficient R&D cost duplications. A model capturing these effects shows that patenting complementary innovations separately is not efficient when innovations can be developed rapidly. This result justifies the enforcement of a severe “inventive step” or “non-obviousness” requirement in sectors where complementary innovations are frequent.     

An investigation of consumers' self-control mechanisms when confronted with repeated purchase temptations: Evidence from online private sales

This article explores the control mechanisms that consumers use when confronted with repeated temptations in an online private sales context. Do consumers feel the need to control themselves when they are aware of the risk of being exposed to purchase temptations? Are they able to do so? Using qualitative research methods, this study differentiates four segments of consumers, according to their reactions to repeated purchase temptations: myopic, self-regulated, hyperopic, and dispassionate. It also isolates the mechanism that consumers use to resist temptations. Previous literature has focused on control mechanisms implemented in isolated temptation situations; this article extends that approach by examining online private sales, in which setting consumers receive frequent solicitations. Thus, it addresses in detail how control evolves when consumers confront repeated temptations.     

Consistent collusion-proofness and correlation in exchange economies

We present a feasible strategic market mechanism with finitely many agents whose Nash, semi-strong Nash and coalition-proof Nash equilibria fully implement the Walrasian equilibria. We define a strategic equilibrium concept, called correlated semi-strong equilibrium, and show that the Walrasian equilibria can be implemented by these equilibria, and also by the coalition-proof correlated equilibria of our mechanism. We show that these two concepts, suitably modified with transfers, fully implement the Pareto optimal allocations.     

Enhancing bank performance through branches or representative offices? Evidence from European banks

We investigate the impact of geographic integration and the level of multinationality by expansion as a foreign branch or representative office on the parent bank performance of 45 European banks during 2000–2007. We use breadth and depth to proxy for the level of multinationality in measuring a parent bank performance. We find that for foreign expansion as a branch, both dimensions (breadth and depth) have a positive impact on a bank's return on assets (ROA). For return on equity (ROE) and Tobin's Q, only depth is positively associated with a bank's ROE while breadth is positively correlated with a bank's Tobin's Q. However, the impact from expansion as a representative office is different; breadth and depth only have a positive impact on bank ROA performance in one of the six models. In terms of cost control, a representative office strategy is better able to control costs than a branching strategy. The model goodness of fit statistics suggest that variables associated with branching better explain the performance variables than similar variables associated with representative offices in terms of profitability. The results are opposite for net interest margin and cost ratio. Overall, our findings suggest that a branching strategy is a more effective strategy in enhancing a bank's profitability while a representative office strategy controls costs better.     

Efficiency,productivity and technology comparison for farms in Central and Western Europe: The case of field crop and dairy farming in Hungary and France

This paper investigates the differences in technical efficiency and productivity change, and the technology gaps, between French and Hungarian farms in the dairy and cereal, oilseed and protein crops (COP) sectors during the period 2001–2007. The analyses were performed with national Farm Accountancy Data Network (FADN) data and the Data Envelopment Analysis (DEA) approach under each country's respective frontier and under a metafrontier.Results reveal that French COP farms were on average more efficient under their own technology than Hungarian farms under theirs, but there was no difference between the two countries for dairy farms. However, metatechnology ratios calculated with the construction of the metafrontier indicate that Hungarian technology was the more productive in both the dairy and the COP sectors, but more noticeably in COP production.