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We demonstrate that universally redeemed rebates can increase manufacturer profits by reducing the incentives of downstream retailers to hoard inventories when optimal wholesale prices vary predictably over time. By bypassing retailers and making direct contracts with buyers, the manufacturer can increase the variations in effective prices paid by consumers without concomitantly creating larger incentives for retailers to hold inventories. During profitable, high-demand periods, manufacturer revenues are ordinarily constrained by'competition'from retailer inventories, thus limiting profits. However, by selectively offering rebates to consumers while maintaining high wholesale prices, low-demand periods can be accommodated without inducing retailer hoarding.  相似文献   
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In this study, seventy-four adolescents in either a school, community or hospital based drug intervention program received and eight to nine week structured fitness activity class as an integrated element of their respective prevention or treatment program. Prepost assessments indicated significant gains in the field fitness tests of one mile run, 1 minute situp, 1 minute pushup, percent fat and flexibility for the total sample. Based upon prepost change on the one mile run time (less than 1:00) subjects were categorized as improvers (n = 38) and non-improvers (n = 36). Improvers demonstrated a significant increase in the self concept risk factor (Piers Harris Self Concept Scale) and a significant decrease in anxiety and depression risk factors (General Well-Being Scale) compared to the non-improvers. At posttest, the improvers self reported substance use patterns were significantly lower compared to the non-improvers for percentage of the sample who were multiple drug users and alcohol uses per week and were significantly higher for the percentage of the sample demonstrating total abstinence. These findings are suggestive of the usefulness of physical training as a supplemental intervention for adolescent substance abusers.  相似文献   
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Japanese economic success is often attributed to culturally reinforced psychological conditioning that promotes interpersonal reliance, cooperation, and a group interest orientation. This article provides direct experimental evidence on differences in behavior among future business people in the United States and Japan. Utilizing a simple, two person extensive form game of perfect information introduced by Selten (1975), we provide evidence that, contrary to some views, the Japanese can be less reliant on the behavior of others and are more likely to take actions at variance with group welfare in some settings. Thus, popular explanations of Japanese economic achievements may require further exploration.  相似文献   
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Physical training as a substance abuse prevention intervention for youth   总被引:1,自引:0,他引:1  
Program evaluation data from school and community applications of a physical fitness drug prevention program is presented. A train-the-trainer methodology was applied to install the program in twenty-two settings within the state of Illinois. The physical training program consisted of exercise and educational modules delivered over a twelve-week time period that focused on learning values and life skills through exercise. Complete pre-post data were obtained on 329 participating youth at six school and community based sites. Significant increases were demonstrated in physical activity and physical fitness (cardiovascular endurance, strength, and flexibility). Youth self-report data indicated significant decreases in risk factors such as low self-concept, poor school attendance, anxiety, depression, and number of friends who use alcohol and drugs. There were significant reductions in the percentage of youth who used cigarettes, smokeless tobacco, and alcohol. It was concluded that a strong relationship was demonstrated for increased fitness leading to lowered risk factors and usage patterns. Likewise, the train-the-trainer model was shown to be an effective installation approach to expand fitness programming within prevention settings.  相似文献   
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On the night of November 8, 2016, once election results showed an almost certain presidential victory for Donald Trump, private prison stock values increased. Trump’s harsh anti-immigrant campaign rhetoric, followed by his attempted crackdown on sanctuary cities (and immigrants more generally), had the potential to expand the carceral market to greater shares of undocumented immigrants. We develop a theory of carceral market expansion, arguing that private actors seek to expand carceral markets—for profit—just as in any other market. This paper examines whether private companies, like Core Civic and GEO, that contract with Immigration Customs and Enforcement (ICE) to operate detention facilities exert influence over federal immigration legislation in the 113th and 114th Congresses. Specifically, we examine (1) whether campaign donations made by private prison companies and other contractors to legislators (carceral lobbying hypothesis), and (2) having a privately owned or managed ICE detention facility in a legislator’s district (carceral representation hypothesis) increases the probability that legislators will co-sponsor more harsh immigration legislation in the U.S. states. We find strong support for the carceral representation hypothesis but limited to no support for the carceral lobbying hypothesis. Implications are discussed.  相似文献   
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Social workers have grappled for many years now with the tension between theory and practice. The struggle may be to bridge a perceived gap between the academic knowledge base of social work and the complex realities of practice. Equally, it may be to move from common‐sense interpretations of human need and professional responses, towards a more informed and accountable approach to practice. In recognition of the challenges faced by social work academics, practitioners and students, in relation to applying theory to practice, two of the authors of this paper developed a model, which aimed to facilitate productive discussions between practice teachers and students about the nature of theory and its link to practice. In addition, the model was designed to promote partnership approaches where service users participate fully in identifying their own issues and in shaping the services they receive. This paper describes the model—The Theory Circle—and reflects upon its effectiveness, based on the views of 19 practice teachers from central Scotland. The findings suggest that the pictorial model is one that practice teachers and students find accessible and valuable; it helps them to build a theoretical understanding of service users' situations and to work alongside service users to agree the most appropriate methods of intervention.  相似文献   
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