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on Marketing |
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Issue of 2007‒10‒13
five papers chosen by Joao Carlos Correia Leitao University of the Beira Interior |
| By: | Asfaw, Abay |
| Abstract: | "Very limited empirical analyses are done on evaluating how changes in the retail environment affect diet and health status of consumers, especially in developing countries. The major objective of this study is to shed some light on some of these neglected but crucial issues. The study examines the impact of supermarket purchases on dietary practices (defined as the calorie share of different food groups) of Guatemalan households using the 2000 Guatemalan household survey. I use an instrumental variable method to take into account the potential endogeneity of the supermarket-purchase variable in the calorie share equations.... The results of the study reveal that supermarket purchases increase the share that highly and partially processed food items, such as pastries, cookies, crackers, chocolate, ice cream, and so forth, make of total calories, at the expense of staple food items such as corn and beans. Since most processed foods contain disproportionately high amounts of added fat, sugar, and salt, and since supermarkets are expanding rapidly, different policy measures should be developed to ensure that supermarkets have a "healthier" impact on diets." from Authors' Abstract |
| Keywords: | Supermarkets, Health and nutrition, Calorie share, Diet quality, Staple foods, Household behavior, Processed foods, Energy dense foods, Energy dilute foods, Instrumental variable method, |
| Date: | 2007 |
| URL: | http://d.repec.org/n?u=RePEc:fpr:ifprid:00696&r=mkt |
| By: | Hartwich, Frank; Arispe, Tito; Monge, Mario |
| Abstract: | "This report presents the results of a study on local innovation in four peanut-producing regions in Bolivia. It aimed at identifying the type of organizations and mechanisms contributing the most to the adoption of innovations. The theoretical framework utilized suggests that farmers introduce and apply innovations as a combined result of their perceptions on the utility derived from doing so, and their individual and collective capabilities to absorb those innovations... [The] results guide to the conclusion that to achieve a larger and better participation of small peanut farmers in innovation processes, it is necessary to (1) adapt innovation sets to farmers absorptive capabilities; (2) try to improve the individual absorptive capabilities through financing schemes, training and sensibilization efforts; (3) promote and substantially intensify interactions among innovation providers and farmers, in a way that collective absorptive capabilities and a common learning on technology's applications and applicability can be developed; and (4) include other actors from the transportation, processing and exportation sectors in partnership arrangements, in order to improve their common understanding of production, quality and market opportunities, as well as to open and widen access to markets and to complementary financial support." from Executive summary in English |
| Keywords: | Peanuts, Social networks, Small farmers, Absorptive capabilities, Agricultural innovations, Technological innovations, |
| Date: | 2007 |
| URL: | http://d.repec.org/n?u=RePEc:fpr:ifprid:00692&r=mkt |
| By: | Cellini, Roberto; Paolino, Alessandro |
| Abstract: | The paper analyses the cointegration relationships and the causal links between the exchange rate of the US Dollar, on the one side, and different price indices of US products on the other side. Data are of monthly frequency and cover a period of two or three decades. We show that the exchange rate cointegrate with the Consumer Price Index and with the prices indices of several agricultural, manufactured and service goods; moreover a one-direction causal link is present, running from price to exchange rate. On the opposite, cointegrating relationships between exchange rate and price indices do not exist in the case of recreational products with “cultural” content. Tentative theoretical explanations are proposed. |
| Keywords: | Price Index; Exchange Rate; Cointegration; Causality |
| JEL: | Z11 C22 F13 |
| Date: | 2007–10 |
| URL: | http://d.repec.org/n?u=RePEc:pra:mprapa:5194&r=mkt |
| By: | Dimitri Dubois; Marc Willinger |
| Abstract: | We study to what extent identification does matter for trustfulness and trustworthiness to emerge in a population of players. Our experimen- tal protocol is designed for isolating the effects of trustees’ identification. Trustees’ identification is a necessary condition for introducing a reputa- tion mechanism. We run three treatments. In each treatment groups 6 players interact repeatedly and randomly and play a 30 periods invest- ment game (Berg & al. 1995). In the first treatment players can’t identify each other, in the second one players can identify each other as trustee and in the third one players identify each other both as trustee and trustor. We show that, according to the expectation, trustees’ identification has a positive effect on reciprocity. However it doesn’t affect the average trust in the population. Trust is significantly higher than in the complete anony- mous treatment only when players identify each other in both roles. We show that this enhance of trust is the result of mutual trust-reciprocity relationships formation. |
| Date: | 2007–06 |
| URL: | http://d.repec.org/n?u=RePEc:lam:wpaper:01&r=mkt |
| By: | Daniel Da Mata; Carlos Wagner de A. Oliveira; Cedric Pin; Guilherme Resende |
| Abstract: | This article aims to verify the main determinants of migration for a specific category: the qualified labor force. By qualified labor force, we mean persons with high education attainment (one year of college studies or more). The paper presents, first, the ranking of cities with higher attraction of qualified migrant. A specific indicator of qualified migration is elaborated, coined as index of net qualified migration, constructed from the comparison between qualified in-migrants and qualified outmigrants. Águas de São Pedro (SP) is the place with the highest index value. As for the group of municipalities with population higher than 100,000 inhabitants, São Paulo (SP) is the city in Brazil that has the highest net qualified migration index. Besides, the empirical analysis carried out in the paper aim to verify the main cities? characteristics concerning the attraction of qualified migrants. Spatial econometrics models, employed to correct for potential errors in the empirical strategy, corroborated the results estimated via ordinary least squares (OLS) models. Labor market dynamics, less social inequality, less crime, proximity to the coast and less rigorous climate are important factors behind the qualified migrants? choices to locate in a city. |
| Date: | 2007–09 |
| URL: | http://d.repec.org/n?u=RePEc:ipe:ipetds:1305&r=mkt |