Large firms often negotiate the terms of trade with their input suppliers. When they do so, an ex-ante agreement to share information about parameters should make it more likely that they will be able to reach an agreement and capture the gains from trade. However, if the firm refuses to share information, the supplier may shade down its price offer in order to increase the probability that it ...

Real net social wealth (NSSW), the real present value of social security benefits received minus social security taxes paid, is frequently used as a direct proxy measure for the impact of a social security system on generation welfare. The present paper establishes to the contrary, for a class of overlapping generation economies, that NSSW can be simultaneously negatively correlated with welfar...

People in Portugal have never been so healthy. Nevertheless, there are great differences in health status between social groups and regions. In 1994, Portugal was the country with the second worst level of inequality in terms of income distribution and with the highest level of poverty in the European Union (EU). Poverty in Portugal affects mainly the elderly and women (especially in single par...

Right now employment of polices and tools to decrease the carbon emission through electricity generation from renewable resources is one of the most important problem in energy policy. Tradable Green Certificate (TGC) is an economics mechanism to support green power generation. Any country has the challenge to choose an appropriate policy and mechanism for design and implementation of TGC. The ...

This paper examines the degree of elitism of public education under two different social objectives. It illustrates a potential conflict between welfare and social mobility. In the absence of private supplementary education, utilitarian welfare increases with the degree of elitism of the public education system. On the other hand, elitism decreases the steady state proportion of heterogenous dy...

Knowledge discovery and data-mining techniques have the potential to provide insights into data that can improve decision making. This paper explores the use of data mining to extract patterns from data in the domain of social welfare. It discusses the application of the Integrated Knowledge Discovery and Data Mining process model (IKDDM) a social welfare programme in Jamaica. Further, it demon...