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The various scales of a signal maintain relations of dependence the on es with the others. Those can vary in time and reveal speed changes in the studied phenomenon. In the goal to establish these changes, one shall compute first the wavelet transform of a signal, on various scales. Then one...
Persistent link: https://www.econbiz.de/10008790943
The 2007-2008 food crisis and current food price swings led economists to re-evaluate the potential for policy … instruments to manage food price volatility. Many developing countries recently pursued price regulation policies, but the … policy to lower food price volatility does not depend on the nature of the policy instrument only, but also on the …
Persistent link: https://www.econbiz.de/10010821035
This paper investigates spatial variations in product prices using an exhaustive micro dataset on fish transactions. The data record all transactions between vessels and wholesalers that occur on local fish markets in France during the year 2007. Spatial disparities in fish prices are sizable,...
Persistent link: https://www.econbiz.de/10010738756
Hedonic price regressions have become a standard tool to study how prices of commodity goods are related to quality attributes. In this paper, we extend the traditional price specification by incorporating three sources of unobserved heterogeneity related to sellers, buyers, and matches between...
Persistent link: https://www.econbiz.de/10010739032
their agri-food products from a wider range of suppliers), while geographical concentration increases at the intensive … food alerts at the EU border that had never been exploited before. After coding it into HS8 categories, we regress the … incidence of food alerts by product on determinants including exporter dummies as well as HS8 product dummies. Coefficients on …
Persistent link: https://www.econbiz.de/10010899732
Following the 2007-2008 food crisis, improvements of world food governance was at the centre of international … discussions, leaning towards a new Global Partnership for Agriculture, Food Security and Nutrition. In this process, the issue of … to the creation of the High Level Panel of Experts on food security and nutrition (HLPE). Here we describe the genesis …
Persistent link: https://www.econbiz.de/10010739094
economy. Zambia is one of the countries in the southern Africa sub-region faced with a food crisis attributed to a complex … HIV/AIDS. The current crisis has been further compounded by reduced food production in the last two consecutive seasons … (2000/2001 and 2001/2002) resulting in the country experiencing substantial deficits of the staple food. …
Persistent link: https://www.econbiz.de/10010618120
The food crisis in Southern Africa that stems from the crop failures of the 2001-2002 crop season has, not surprisingly … relief efforts by Georgetown University. In the region, overall reviews have been initiated by networks such as Food …
Persistent link: https://www.econbiz.de/10010820572
have not fallen. In fact, poverty has gradually worsened culminating in the present region-wide food crisis. The crisis … will affect over 15 million people through impacts ranging from lack of access to food, food insecurity, malnutrition, and … possibly famine. The ongoing food crisis has had a significant toll and brought great suffering to many in the region. However …
Persistent link: https://www.econbiz.de/10010820780
prohibited for food crops. In spite of the positive outcomes on cotton, at least in the short run, and of the persisting decrease … of the cereal production, the hesitation to release GMO on food crops should keep on prevailing. This seems to be founded … when the qualitative dimension of the food production is taken into consideration. …
Persistent link: https://www.econbiz.de/10008793327