OBJECTIVE To systematically review the available evidence on whether national or international agricultural policies that directly affect the price of food influence the prevalence rates of undernutrition or nutrition-related chronic disease in children and adults. DESIGN Systematic review. SETTING Global. SEARCH STRATEGY We systematically searched five databases for published literature ...

it is assumed in most of the existing models that the items can be stored for an unlimited time to meet the future’s demand and their quality and quantity does not change during that period. nevertheless there are special kinds of products which deteriorate or become unusable (such as food products, alcohol, medicines, etc.). therefore if the rate of deterioration is significantly high, the imp...

this paper evaluates the welfare effects of price changes in the main commodity groups in iran. using the iranian urban households’ data issued by the iranian statistics center over the period 1994-2007 we estimate the subsistence level. in addition, using the results from the linear expenditure system we calculate the price and income elasticities along with the compensation and equivalent var...

OBJECTIVE To investigate the display of food at non-food store checkouts; and to classify foods by type and nutrient content, presence of price promotions and whether food was at child height. DESIGN Cross-sectional survey of checkout displays at non-food stores. Foods were classified as 'less healthy' or healthier using the UK Food Standards Agency's Nutrient Profile Model. Written price pro...

In the context of open-pit mine planning, uncertainties including commodity price would significantly affect the technical and financial aspects of mining projects. A mine planning that takes place regardless of the uncertainty in price just develops an optimized plan at the starting time of the mining operation. Given the price change over the life of mine, which is quite certain, optimality o...