Showing 1 - 10 of 132
Kenya is currently in the process of introducing genetically modified maize (Bt maize). A major concern is that the Bt gene might cross into local varieties through cross pollination. Current regulatory strategies to ensure coexistence of the two cropping systems at the farm level rely on...
Persistent link: https://www.econbiz.de/10004989159
This research forecasts peak call volume to allow a centralized call center to minimize staffing costs. A Gaussian copula is used to capture the dependence among nonnormal distributions. Peak call volume can be easily and more accurately predicted using the marginal probability distribution with...
Persistent link: https://www.econbiz.de/10005220272
Stricter immigration policies that affect an estimated 12 million unauthorized immigrants, 40% of whom are hired as farm workers, can potentially leave the highly labor-dependent organic farms more economically vulnerable. The displacement of unauthorized immigrants will expectedly create labor...
Persistent link: https://www.econbiz.de/10005511107
Direct and indirect effects of exchange rates on foreign and home prices may induce a change in terms of trade and volume of trade. In particular, the price effect in substitutability between foreign and home products and endogeneity of the foreign price provide evidence for the indirect impact...
Persistent link: https://www.econbiz.de/10005511108
This paper estimates a demand system for a selected tropical fresh fruit and vegetable imports in to the U.S. using a Linear Approximate Almost Ideal Demand Systems model for the period 1989-2008. Further the paper attempts to capture trade policy and seasonality effects that affect the demand...
Persistent link: https://www.econbiz.de/10005511109
This study examines the causal relationship between dietary knowledge and behavior by including self-efficacy in the models. Regression analyses supported the hypothesized relationships that self-efficacy mediates effects of dietary knowledge and social influences on dietary behavior....
Persistent link: https://www.econbiz.de/10005511110
For many decades, fresh fruits and vegetables enjoyed a reputation as the healthiest products full of essential vitamins, minerals, and other beneficial substances for a balanced diet. However, numerous recent food outbreaks associated with fresh produce have raised concerns on the mind of the...
Persistent link: https://www.econbiz.de/10005511111
Recent increases in commodity prices have led to calls for the regulation of speculators. These calls have come from many reputable quarters including leading agricultural and food policy institutions such as International Food Policy Research Institute as well as different members of the U.S....
Persistent link: https://www.econbiz.de/10005511112
The relationship between publically reported weekly grid premiums and discounts for specific carcass characteristics and the percentage of those characteristics reflected in total weekly slaughter volume (i.e., proportional slaughter volume) is investigated. Granger Causality and multi-lag VAR...
Persistent link: https://www.econbiz.de/10005511113
The objectives of this paper is to use the large depth of existing literature on portfolio theory and apply it to rice varietal selection for 6 counties in the Arkansas Delta. Results based on 1999-2006 data suggests that combining available varieties using portfolio theory could have increased...
Persistent link: https://www.econbiz.de/10005511114