Many peer-to-peer (P2P) applications require that nodes behave altruistically in order to perform tasks collectively. Here we examine a class of simple protocols that aim to self-organize P2P networks into clusters of altruistic nodes that help each other to complete jobs requiring diverse...

This article deals with the puzzle of the well-known gap between actual and preferred working hours (i.e. over-employment). We propose a new explanation based on selective attention in decision making and test it with the Time Competition Survey 2003 which includes information of 1114 employees...

The paper purports to stress how the two major contributions of Bacharach: "Variable Frame Theory" (VFT) and "Team Reasoning" (TR) improve Standard Non-Cooperative Game Theory in some relevant aspects which I point out. The aims are to show: (i) how Bacharach respectively justifies coordination...

The paper analyse the economic rationality of SMEs (Small and medium size enterprises) trough some pertinent indicators that revels the importance of SME for the employment market and for the entire economy. Despite their adaptability these entities have faced always different problems and the...

Unemployment exacts a high cost to its victims, not only in lost income, but also in terms of quality of life (insecurity, depression, abandoned families, divorce, suicide and poorer health). It also exacts a high cost to society in terms of lost output, foregone tax revenue, depreciating human...

Progressive legislative actions in Uganda and Tanzania have improved women’s legal rights to land, however significant gender disparities persist in access, control, inheritance, and ownership of land at the grassroots level. One promising mechanism to improve the implementation of laws...

We review evidence regarding the size and evolution of the "land rush" in the wake of the 2007-2008 boom in agricultural commodity prices and study determinants of foreign land acquisition for large-scale agricultural investment. Using data on bilateral investment relationships to estimate...

We review evidence regarding the size and evolution of the "land rush" in the wake of the 2007-2008 boom in agricultural commodity prices and study determinants of foreign land acquisition for large-scale agricultural investment. Using data on bilateral investment relationships to estimate...

This paper presents the findings of a case study on land governance in the Ondo State of Nigeria. A conceptual framework based on concepts of organizational theory is presented to guide the study. The empirical part of the study focuses on two cases of land registration and two cases of land...