CONTEXT Relatively little is known about the factors shaping public attitudes toward obesity as a policy concern. This study examines whether individuals' beliefs about the causes of obesity affect their support for policies aimed at stemming obesity rates. This article identifies a unique role of metaphor-based beliefs, as distinct from conventional political attitudes, in explaining support f...

Policies at many levels may help to shape environments that promote healthy weight and prevent obesity. We present policies to support obesity prevention for young children. We highlight policy Sand environmental systems change examples in the areas of promoting breastfeeding and providing healthy affordable food and information about food in community and child care settings and promoting phys...

Wheat is one of the most strategic agricultural products, which has always been a significant issue for the government. The main purpose of this study is to review the policy of purchasing wheat on the welfare of producers and customers in Iran. Due to the significance of wheat in consuming model of Iranian families, this product has been permanently under consideration. The government grants a...

recent studies have indicated that the rate of successful enterprise resource planning (erp) implementation projects is reduced and risk of implementation is increased to the same extent. accordingly, this study provides a model in support of erp implementation using system dynamics approach by behavioral simulation in the vensim software environment. this study is an applied research and due t...

in many countries around the world, including iran, obesity is reaching epidemic proportions. doctors have recently taken, or expressed support for, an extreme ‘personal responsibility for health’ policy against obesity: refusing services to obese patients. this policy may initially seem to improve patients’ incentives to fight obesity. but turning access to medical services into a benefit depe...

sugar beet is an important crop from the point of production and consumption. in this case, fars province is one of the largest producers iniran. the purpose of this study was to determine the effective factors on sugar beet supply. accordingly, time series information of the crop was collected from 1990 to 2004 infarsprovince and were analyzed through nerlove partially adjustment model that is...

Awareness and AIDS: A Political Economy Perspective* Across African countries, prevention policies are unrelated to the prevalence of HIV/AIDS and, even in countries in which they were successful, these policies are often unstable or reversed. To explain these two puzzles, we propose a simple political economy model that examines how prevention policies and the epidemic dynamics are jointly det...

INTRODUCTION There is a growing body of evidence suggesting that certain foods may be addictive. Although evidence that nicotine is addictive generated support for anti-tobacco policies, little research has examined whether beliefs about the addictiveness of food are associated with support for policies to address overconsumption of nutritionally poor foods. METHODS U.S. adults (n=999) recrui...

XACML has become the defacto standard for enterprisewide, policy-based access control. It is a structured, extensible language that can express and enforce complex access control policies. There have been several efforts to extend XACML to support specific authorisation models, such as the OASIS RBAC profile to support Role Based Access Control. A number of proposals for authorisation models th...