This paper presents new results of mathematical modeling of economy and environment interaction. A model of mutual interaction of livestock farming - one in a two main agricultural branches - and natural pastures that are the essential part of livestock farming forage reserve is proposed....

Time-consuming and costly religious rituals pose a puzzle for economists committed to rational choice theories of human behavior. We propose that religious rituals promote in-group trust and cooperation that help to overcome collective-action problems. We test this hypothesis on communal...

The in-group-out-group bias is among the most well documented and widely observed phenomenon in the social sciences. Despite its role in hiring decisions and job discrimination, negotiations, and conflict and competition between groups, economists have heretofore ignored the in- group-out-group...

This paper investigates whether expectations of trustworthiness and resulting acts of trust accord with an objective model of trustworthiness or are biased. Combining experimental and survey data, I find that Ghanaian workers appropriately take account of the religiousness of trustees, but...

Numerous renewable and small-scale distributed generation (DG) technologies have now progressed to the stage where their technical feasibility has been proven and full-sclae projects have been successfully implemented worldwide. This paper surveys the available DG technologies and models their...

This paper explores Knowledge Management (KM) practices for use with portal technologies in Non-Governmental Organizations (NGOs). The aim is to help NGOs become true Civil Society Organizations (CSOs). In order to deal with more donors (at the top) and more beneficiaries (at the bottom), NGOs...

We present a three-sector general equilibrium model with an informal sector, which produces an intermediary for the formal sector, and analyze the effects of different policies on the environmental standard and welfare of the economy. Since the informal manufacturing sector creates pollution,...