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PDF Ebook Option Trading and Oil Futures Markets

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Story - antoq - 10/18/2010 - 13:46 - 155 comments - 0 attachments


PDF Ebook The right to a healthy diet

Submitted by antoq on Fri, 08/07/2009 - 07:54

The resurgence of the national debate on food poverty has its roots within the present government’s commitment to reduce inequality in general and health inequalities in particular. Community groups across the country are joining in the struggle to ensure that those on low incomes are able to benefit from a healthy diet. The community’s fight in Newham is well underway, supported initially by the Health Action Zone and now winning new support from the Primary Care Trust and the London Borough of Newham.

This report has been commissioned to aid that fight by establishing how food poverty fits into the current climate of thinking at national and local level, by evaluating the successes of food projects in Newham and by recommending methods of overcoming obstacles.


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Ebook Melitz meets Pissarides: Firm heterogeneity, search unemployment and trade liberalization

Submitted by puput on Fri, 03/26/2010 - 04:26

Does globalization lead to unemployment? While of enormous interest to policy makers, the academic economist’s answer to this question is bound to be ambiguous. The theory of the second best teaches that dismantling barriers to trade in an environment featuring additional pre-existing distortions in the labor market that give rise to unemployment can either exacerbate or attenuate the welfare damage of those distortions (Lipsey and Lancaster, 1956). Hence, the answer to the above question will almost necessarily depend on modeling details. It therefore comes with some relief that merging the leading macroeconomic explanation of unemployment the Pissarides (2000) search and matching model–with the most recent version of the Krugman (1980) trade model–the Melitz (2003) model with heterogeneous firms–yields an unambiguous conclusion: globalization modeled as various types of trade liberalization lowers the equilibrium long-run rate of unemployment.

The Melitz (2003) trade model is a natural starting point to study unemployment in an open economy. It combines increasing returns to scale in production and product differentiation with heterogeneous firms. It has been successfully applied to a number of questions and has done very well in empirical studies (see the survey of Helpman, 2006). In that model, trade liberalization puts inefficient firms out of business while offering new opportunities to efficient ones. That selection effect leads to an aggregate productivity gain. There is ample evidence for this effect, both from microeconometric and from aggregate data (Bernard et al., 2003).


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Ebook A Small Business E-Commerce System

Submitted by wulan on Wed, 11/11/2009 - 02:27

Many small businesses are in need of an administrative e-commerce content management system. Most current e-commerce packages within the open-source community or $500-$1000 price range offer advanced functionality, but most small businesses shy from these packages because of complex interfaces and feature bloat. An example of a complex, existing e-commerce implementation is OS Commerce. It is our intention to explore and design an administrative e-commerce system that is simple and easy to use, aimed primarily at small businesses. This new system will not offer the feature list available in expensive packages; instead, it will offer a capable feature list that meets most small business needs while providing a simple and intuitive user interface.

This system may be extended to accommodate any additional functionality (with plug-ins) that may be required for custom projects. Our concern is reaching a sufficient balance between features and usability. We interviewed small business owners and/or managers on Franklin Street. Some of these persons included owners and managers that currently have an e-commerce system in place; for these businesses, we will explore their current e-commerce implementation while collecting positive and negative feedback. Is their current system satisfactory? Is it intuitive? What can be improved or simplified? We also interviewed small businesses that do not have a current e-commerce implementation. Do they need an e-commerce system? Why do they not have an e-commerce system? What features would they like or need?.


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