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Coffee price volatility was extreme in 1997. With no obvious drought or freezing conditions in major growing countries, market analysts blamed El Nino. Alternatively, economic theory implies that commodity price volatility should be high when inventories are low. We analyze and test these two...
Persistent link: https://www.econbiz.de/10005338804
Agricultural prices are determined by natural and socio-economic factors that are known to be self-similar at different time scales and to follow non-periodic cyclical patterns. These properties are most easily understood using Mandelbrot's fractal geometry, in which a jagged time series is...
Persistent link: https://www.econbiz.de/10005801089
Organic vegetable producers typically earn a premium over conventional producers to cover the added costs of organic production. The premium can vary greatly, making organic vegetable farming riskier than conventional farming and causing potential financial problems for new organic farming...
Persistent link: https://www.econbiz.de/10005310896
Standard models of hedging behavior assume that either hedgers wish to minimize net price variation or they wish to balance variation versus profits. These models treat variation as risk and fail to distinguish between variation that is random and variation that is not random over time. Newer...
Persistent link: https://www.econbiz.de/10005807440
Although studies have shown that financial incentives are effective in promoting healthy behaviors, existing interventions have focused on adults in the workforce (e.g. Kullgren et al. 2013). Given that the school environment can be an effective instrument for behavior change, there is a need to...
Persistent link: https://www.econbiz.de/10010878948
Persistent link: https://www.econbiz.de/10010878949
Obesity is still on the rise, leading to high costs for the obese individual itself but also for society. We analyze the influence of peer effects on food choices in lunchrooms with posted nutrition facts. Data were collected in a lunchroom at a large U.S. university. Groups of four patrons each...
Persistent link: https://www.econbiz.de/10010878954
It is a known fact that stress negatively affects food choices. Consequentially, this paper analyzes three different research questions using a sample of 330 international students in Germany. Firstly, it is observed if stress affects students’ motivations to eat, i.e. if it triggers changes...
Persistent link: https://www.econbiz.de/10010878955
This paper addresses the challenges facing China in accelerating the pace of rural-urban migration as part of its on-going economic development programme. It explains the push and pull influences on migration and in particular explains why a continuing focus on urbanisation is justified by the...
Persistent link: https://www.econbiz.de/10010879021
In this paper we study the trade creation effects of the EU preferential trade agreements (PTAs) in the agriculture and food sectors for a large sample of developing countries in the period 1990-2006. We build upon the existing literature on trade with heterogeneous firms, by investigating the...
Persistent link: https://www.econbiz.de/10010880855