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Agroecology has become a powerful alternative paradigm for rural development. In contrast to conventional approaches, this paradigm shifts the emphasis from technology and markets to local knowledge, social justice and food sovereignty, to overcome rural poverty and environmental degradation. However, the spread of this approach faces several obstacles. This paper deals with one of these obstacles: the ‘preference’ of smallholders for industrial farming. We specifically analyse the widespread uptake up of oil palm by smallholders in Chiapas. Contrary to agro‐ecological assumptions, oil palm proved favourable to smallholders in Chiapas because of historical and contemporary state–peasant relations and the advantageous economic circumstances within the oil palm sector. Based on this research, we identify four challenges for agroecology: (i) the existence of contradictory interests within the peasantry as a result of social differentiation; (ii) the role of the state in making conventional development models relatively favourable to smallholders; (iii) the prevalence of modernization ideologies in many rural areas; and (iv) the need for this paradigm to acknowledge smallholders' agency also when engaged in industrial farming. These challenges need to be tackled for agroecology to offer viable alternatives in a context of agro‐industrialization.  相似文献   
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The Facts Up Front front‐of‐package (FOP) nutrition system is currently displayed on packaged foods in the United States. This initiative is being implemented by more than 50 manufacturers, retailers, and wholesalers in the United States on their branded and private‐label packaged food products. The in‐store presence of Facts Up Front is supported by a recently launched consumer education campaign. This study employs a sample of 1,400 female primary household shoppers with children, with oversamples of Hispanic and African American ethnic subgroups, to examine initial awareness and evaluations of Facts Up Front. Results show that Hispanics are more aware of and engaged with Facts Up Front than Caucasians. African Americans report higher levels of engagement and understanding of Facts Up Front vs. Caucasians. Importantly, Hispanic and African American mothers also report using this FOP system to make decisions. Based on these findings, important implications are offered for consumer welfare and public policy.  相似文献   
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We discuss the strengths and weaknesses of five alternative innovation indicators: R&D, patent applications, total innovation expenditure and shares in sales taken by imitative and by innovative products as they were measured in the 1992 Community Innovation Survey (CIS) in the Netherlands. We conclude that the two most commonly used indicators (R&D and patent applications) have more (and more severe) weaknesses than is often assumed. Moreover, our factor analysis suggests that there is little correlation between the various indicators. This underlines the empirical relevance of various sources of bias of innovation indicators as discussed in this paper.  相似文献   
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Recent studies of purchasing power parity (PPP) use panel tests that fail to take into account heterogeneity in the speed of mean reversion across real exchange rates. In contrast to several other severe restrictions of panel models and tests of PPP, the assumption of homogeneous mean reversion is still widely used and its consequences are virtually unexplored. This paper analyzes the properties of homogeneous and heterogeneous panel unit root testing methodologies. Using Monte Carlo simulation, we uncover important adverse properties of the panel approach that relies on homogeneous estimation and testing. More specifically, power functions are low and assume irregular shapes. Furthermore, homogeneous estimates of the mean reversion parameters exhibit potentially large biases. These properties can lead to misleading inferences on the validity of PPP. Our findings highlight the importance of allowing for heterogeneous estimation when testing for a unit root in panels of real exchange rates.  相似文献   
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In this paper the results presented are of an empirical benchmarking study investigating which operational performance measures in the transportation and distribution sector are the most important for financial performance. In the existing literature, the selection of operational performance measures is mostly derived from strategy, using interviews and discussions with management. The main contribution of this paper is to show how an application of benchmarking can identify the relative importance of different operational performance measures and to set standards for those measures.$g0  相似文献   
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