This paper looks at the history of money and its modern form from a scientific and mathematical point of view. The approach here is to emphasize simplicity. A straightforward model and algebraic formula for a large economy analogous to the ideal gas law of thermodynamics is proposed. It may be...

Plenty. This paper analyzes two broad questions: Does your first name matter? And how did you get your first name anyway? Using data from the National Opinion Research Center’s (NORC's) General Social Survey, including access to respondent’s first names from the 1994 and 2002 surveys, we...

Theories about the importance of space in urban labor markets have emphasized the role of employment access, on the one hand, and neighborhood composition, on the other hand, in affecting employment outcomes. This paper presents an empirical analysis which considers both of these factors,...

We develop a model of exploitative child labor with two key features: first, parents have imperfect information about whether employment opportunities available to their children are exploitative or not. Second, firms choose whether or not to exploit their child workers. In our model, a ban on...

The recent reform of the federal welfare system is meant to encourage recipients to leave welfare and enter the workforce. If the reform is successful there are likely to be effects felt throughout the low-- skilled end of the labor market. As former welfare recipients enter the labor market,...

This paper investigates the impact of financial incentive programs, which have become an increasingly common component of welfare programs. We review experimental evidence from several such programs. Financial incentive programs appear to increase work and raise income (lower poverty), but cost...

By the end of 1999 HIV/AIDS was present in at least 200 countries and approximately 34.3 million people were living with the disease, 5.3 million of whom had been infected in that year alone (WHO 2000). Approximately 21.8 million persons had died from AIDS by 2000 and countries where life...

Pro Poor Growth has become a central concern to achieve sustainable poverty reduction in developing countries. Despite being widely used, the term is not well-defined nor has there been a clear policy document that would summarize the determinants and policy implications of pro poor growth. This...

Given that Information Technology (IT) security has emerged as an important issue in the last few years, the subject of security information sharing among firms, as a tool to minimize security breaches, has gained the interest of practitioners and academics. To promote the disclosure and sharing...