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Collective Choice, Justin Schwartz Jan 2011

Collective Choice, Justin Schwartz

Justin Schwartz

This short nontechnical article reviews the Arrow Impossibility Theorem and its implications for rational democratic decisionmaking. In the 1950s, economist Kenneth J. Arrow proved that no method for producing a unique social choice involving at least three choices and three actors could satisfy four seemingly obvious constraints that are practically constitutive of democratic decisionmaking. Any such method must violate such a constraint and risks leading to disturbingly irrational results such and Condorcet cycling. I explain the theorem in plain, nonmathematical language, and discuss the history, range, and prospects of avoiding what seems like a fundamental theoretical challenge to the possibility …


Family Labor Participation And Child Care Decisions: The Role Of Grannies, Gema Zamarro Jan 2011

Family Labor Participation And Child Care Decisions: The Role Of Grannies, Gema Zamarro

Education Reform Faculty and Graduate Students Publications

One of the most significant long term trends in the labor market in most OECD countries has been the increase in the proportion of working mothers. However, not all countries show the same pattern. Countries in Southern Europe (Italy, Greece and Spain) show an average participation rate of about 45% whereas the participation rates in Northern countries (Denmark, Sweden) are around 75%. The characteristics of child care systems also differ significantly across OECD countries. This along with the characteristics of the labor market may have led families to get the necessary social services in an alternative way, i.e. through grandmothers. …