This paper analyzes multifactor models in the presence of a large number of potential observable risk factors and unobservable common and group-specific pervasive factors. We show how relevant observable factors can be found from a large given set and how to determine the number of common and...

The main objective of this paper is to highlight the determinants of informal sector activity with a special focus on informal self-employment opposed to informal wage employment. For this purpose we build a theoretical framework to show the important role of education in occupational choice. To...

The purpose of this paper is to provide a new set of tools for policy makers at central banks. Based on the Garman-Kohlhagen formula for currency options, this research extends it with the Taylor-rule expression used for inflation targeting, thus obtaining the corresponding Call and Put options...

This study investigates factors that affect sociability ratings among youths between 10 to 30 years of age in Nigeria, using a survey carried out in Ife town. The results show that in- school females were likely to socialize more than out of school females. Schooling was found to be affecting...

We study the choice of strategic variables by firms in a duopoly in which two firms produce differentiated substitutable goods and each firm maximizes its relative profit that is the difference between its profit and the profit of the rival firm. We consider a two stage game such that in the...

We study and evaluate the role of geographical, economic and social determinants of telecommunication services in European Union. We use a logistic model with spatial covariates to estimate the demand function for telecommunications in the Union. Our results show that different types of...

The purpose of this study is to provide life expectancy estimates at birth for states and aggregates of municipalities by population size within regions of Mexico. A regression-based technique is used to estimate life expectancy for these populations from 1990 to 2000. Our findings suggest that...

Globalization of the Indian industry received significant thrust since July 1991. It is expected that the reforms will be beneficial for growth. Few would deny that there would be transitional costs. The purpose of this paper is to estimate the changes in employment that will be required across...

The aim of this work is to find patterns for products included in the customs tariffs of the USA and the EU (composed of over 5000 products disaggregated at the 6 digit-level) which share similarities, defined by a set of international trade variables, namely the index of revealed comparative...

Nitrogen emissions from agriculture are considered an important environmental problem in Denmark motivating consideration of different tax schemes as regulatory instruments. In this paper, input/output behaviour of Danish pig farmers is estimated with farm level panel data using the dual profit...