IJOART Volume 7, Issue 4, April 2018 Edition

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In this paper, we try to investigate the effects of the Stolper-Samuelson theory, which uses the Heckscher- Ohlin model to predict the strong relationship between the change in trade prices and non-consensual wages in the United Kingdom and the United States. We conclude that, while increased trade with developing countries has probably played some part in the widening wage inequalities in the UK and USA, Our paper runs through the theory underlying this relationship, and shows how Stolper-Samuelson analysis drastically altered economists’ perceptions of the determination of wages. If we accept the rather extreme assumptions underlying the Stolper-Samuelson model, under which different countries’ products are perfect substitutes for one another, relative wages at home are determined entirely by a combination of world traded prices and the parameters of technology. Within certain bounds, changes in the supply of skilled and unskilled labour or changes in taste of consumers will have no effect on wages. Our conclusions are that there is still considerable uncertainty about what has driven the increase in wage inequality in the Anglo-Saxon world. t seems likely that increasing imports from LDCs have played some part, but that the predominant cause has been direct displacement of jobs within industries by new technology. The evidence erential technical progress in some industries compared to others is to blame is fairly weak. We also conclude that, contrary to what Stolper-Samuelson might suggest, governments have considerable power to mitigate rising wage differentials by use of education and training policy to increase workforce skills. It is also possible that the specific problems of the UK and the USA may be in part a result of macroeconomic policies over the past two decades: particularly of exchange rate instablility, which has penalised manufacturers.

Biochemical characterization of residues from the consumption of pineapple (Ananas comosus L.) in Cote d'Ivoire[]

This study aimed to identify the biochemical parameters of two pineapple byproducts and propose ways of increasing their commercial value. The investigations concerned the pineapple skin and crown. The samples were gathered from sedentary saleswoman of 6 communes of Abidjan. The analyzes concerned the détermination of physicochemical parameters, nutritional and antinutritional compounds. The results showed that the skin was more acidic (4.92) than the crown. Nutritional compounds such as total sugars (13274.98 mg/100g), polyphenols (1054.07 mg/100 g), flavonoids (8.10 mg/100 g) and vitamin C (8.10 mg/100 g) were the highest into the skin. For the antinutritional compounds, the crown provided the highest phytate content (68.79 mg/100 g). However, tannins (200.25 mg/100 g) and oxalates (416.60 mg/100 g) contents were the most important into the skin. The results obtained showed that pineapple skin had huge nutritional and antinutritional potentialities. This will reduce recurrent food deficits in rural populations and contribute to food security in developing countries.

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