We analyze the e¤ects of family ties “the fetters of the sib”on the incentives for productive e¤ort. A family is here modelled as a pair of mutually altruistic siblings. Each sibling exerts e¤ort, or makes an investment, to produce output under uncertainty, and siblings may transfer output to each other. We show that altruism has a nonmonotonic e¤ect on e¤ort. Equilibrium e¤ort decreases (incre...

This research is concerned with showing the great importance of family and society, as they suffer from flight flight, accompanying pain suffering, preserving reuniting them in all conflicts one obligatory rights international humanitarian law, we notice every year thousands individuals are separated their families because conflicts, so it works Non-governmental organizations countries world fa...

This paper provides new evidence supporting that gender differences in post-graduate educational choices contribute to the glass ceiling labor market. We study decision pursue an advanced degree form internationally renowned institution, which greatly facilitates access top jobs. Relying on a unique dataset applications highly selective program merit-based graduate fellowships Spanish students,...