نتایج جستجو برای: food price change

تعداد نتایج: 917935  

Journal: :The South African journal of economic history : [journal of the Economic History Society of Southern Africa] 2011
Logan Rangasamy

This paper analyses the trends in food price movements in South Africa between 1980 and 2008. There are three main results emanating from the analysis in this paper. Firstly, food price movements have played a large role in generating inflationary episodes in South Africa. Secondly, while external influences do matter, South African food price movements are mainly due to domestic influences. Th...

Journal: :The American journal of clinical nutrition 2009
Leah M Lipsky

BACKGROUND The inverse relation between energy density (kcal/g) and energy cost (price/kcal) has been interpreted to suggest that produce (fruit, vegetables) is more expensive than snacks (cookies, chips). OBJECTIVE The objective of this study was to show the methodologic weakness of comparing energy density with energy cost. DESIGN The relation between energy density and energy cost was re...

2012
Helen Eyles Cliona Ni Mhurchu Nhung Nghiem Tony Blakely

BACKGROUND Food pricing strategies have been proposed to encourage healthy eating habits, which may in turn help stem global increases in non-communicable diseases. This systematic review of simulation studies investigates the estimated association between food pricing strategies and changes in food purchases or intakes (consumption) (objective 1); Health and disease outcomes (objective 2), and...

Food products account for a significant amount of the Iranian imports. Despite the rising prices of food products over the last two decades, their imports have been increasing too. In this study import demand of the main imported food products is empirically analyzed using Quadratic AIDS. Welfare impacts are measured using compensated variation. The results indicate that all products, except te...

Journal: :Revista de saude publica 2013
Tania Yuka Yuba Flavia Mori Sarti Antonio Carlos Coelho Campino Heron Carlos Esvael do Carmo

OBJECTIVE To analyze the evolution of relative prices of food groups and its influence on public healthy eating policies. METHODS Data from the municipality of Sao Paulo between 1939 and 2010 were analyzed based on calculating index numbers. Data from the Economic Researches Foundation Institute price database and weight structures (1939 to 1988) and from the Brazilian Institute of Geography ...

2016
Tom Deliens Benedicte Deforche Lieven Annemans Ilse De Bourdeaudhuij Peter Clarys

OBJECTIVES This study examined the effect of a 10 and 20% meal price increase when choosing French fries and a 10 and 20% meal price reduction when choosing fruit for dessert on university students' purchasing behaviour in an on-campus restaurant. The moderating effect of gender was also investigated. Secondly, this study aimed at gaining further insight into reasons why these price manipulatio...

Journal: :Asia Pacific journal of clinical nutrition 2009
Yuan-Ting Lo Yu-Hung Chang Meei-Shyuan Lee Mark L Wahlqvist

The WHO asserts that the global food price crisis threatens public health and jeopardizes the health of the most disadvantaged groups such as women, children, the elderly and low-income families. Economic factors play a crucial role and could affect personal nutrition status and health. Economic decision factors such as food price and income do influence people's food choices. Moreover, food co...

Journal: :پژوهش های صنایع غذایی 0

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Journal: :Proceedings of the National Academy of Sciences of the United States of America 2010
Allison M Thomson Katherine V Calvin Louise P Chini George Hurtt James A Edmonds Ben Bond-Lamberty Steve Frolking Marshall A Wise Anthony C Janetos

Land-use change to meet 21st-century demands for food, fuel, and fiber will depend on many interactive factors, including global policies limiting anthropogenic climate change and realized improvements in agricultural productivity. Climate-change mitigation policies will alter the decision-making environment for land management, and changes in agricultural productivity will influence cultivated...

2001
Gary Becker Shankha Chakraborty Mark Duggan Michael Grossman John Mullahy Casey Mulligan Darius Lakdawalla Tomas Philipson Irving B Harris

This paper provides a theoretical and empirical examination of the forces that contribute to the long-run growth in weight over time. We argue that technological change has induced weight growth by making homeand marketproduction more sedentary and by lowering food prices through agricultural innovation. We consider how technological change creates unexpected relationships among income, food pr...

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