Récits – Nations – Immigrations

Illegal Immigrations

Previews that will form mossy fibers already in the DRL, before Illegal Immigrations onset of their migration, while Wnt expression is absent in the progenitors of neurons that will form climbing fibers. The members of the large Wnt family are secreted signaling molecules associated with the extracellular In most cases, the constituent neurons of most struc-matrix and have been shown to functio...

Poor Nations / Rich Nations : Why the Difference ?

This article argues that the difference between poor countries and rich countries has to do with governance rather than resources, emphasizing the importance of public administration in explaining economic success and failure. Political elasticity (PE) theory is introduced for the analysis presented here, including the following terminology: (1) political elasticity, (2) political inelasticity,...

United Nations Food and Agriculture Organization United Nations

Termites are the most important soil fauna in the Sahelian zone of Africa, intensely interacting with the soil. Both the biotic and abiotic state of the soil affect the termite population and activity. The construction by termites of nests, gallery systems or sheetings from soil or from a mixture of soil and other material within the soil horizons or on the soil surface affect the physical and ...

United Nations Environment Programme United Nations Human Settlements Programme

Rich nations , poor nations : how much can multiple equilibria explain ?

This paper asks whether the income gap between rich and poor nations can be explained by multiple equilibria. We explore the quantitative implications of a simple twosector general equilibrium model that gives rise to multiplicity, and calibrate the model for 127 countries. Under the assumptions of the model, around a quarter of the world’s economies are found to be in a low output equilibrium....