We study in-group favouritism and out-group discrimination in a multiplayer dictator game.  An allocator divides a large sum of money among three groups of 20 recipients each and Self.  Allocations to groups are divided equally among the group members.  The three groups are supporters of the...

Notably, the 20th century was dominated by the legacy of devastating global wars, colonial struggles, and ideological conflicts as well as effort s to establish international systems that would foster global peace and prosperity. Yet, insecurity and corruption not only remain, they have become...

The present paper discusses issues of challenges of social security systems in Sudan. Following parameters advanced by ILO and UNCOSOC, those systems are analyzed. The conclusions focus on their applicability that faces axial difficulties mainly presented in the state of institutional...

Do strong states affect the culture and actions of their citizens in a persistent way? And if so, can the capacity to tax, by itself, drive this effect? I study how the historical capacity of a state to collect taxes affects the decision of citizens to evade the mandatory military draft. I look...

¿El Perú se escapará esta vez de “la maldición de los recursos naturales”? ¿Podrá usar los abundantes recursos que genera la minería hoy, para cerrar las brechas sociales y reorientar su economía para mañana? ¿Podrá limitar los impactos ambientales y sociales negativos, que las...

Zeno's paradoxes of motion, which claim that moving from one point to another cannot be accomplished in finite time, seem to be of serious concern when moving towards an agreement is concerned. Parkinson's Law of Triviality implies that such an agreement cannot be reached in finite time. By...

Long-term beneficial welfare state reforms not only face opposition from powerful insiders and beneficiaries of the system in place. While potential losers from a policy change are often relatively easy to spot, ewll-designed reforms generate mostly diffuse gains, and the potential winners are...

This paper evaluates direct and structural discrimination as a means of increasing efforts in the most widely studied contests. We establish that a designer who maximizes efforts subject to a balanced-budget constraint prefers dual discrimination, namely, change of the contestants' prize...

The means of contest design may include differential taxation of the prize. This paper establishes that, given a revenue-maximizing contest designer who faces a balanced-budget constraint, the optimal taxation scheme corresponding to an all-pay auction is appealing in two senses. First, it...

This paper evaluates differential prize taxation and structural discrimination as a means of increasing efforts in the most widely studied contests. We establish that a designer who maximizes efforts subject to a balanced-budget constraint prefers dual discrimination, namely, change of the...