86 research outputs found
The Future of General Systems Research: Obstacles, Potentials, Case Studies
This paper attempts to provide an evaluative and prescriptive overview of the young field of systems science as exemplified by one of its 'specialties' general systems theory (GST). Subjective observation and some data on seven vital signs are presented to measure the progress of the field over the last two decades. Thirty-three specific obstacles inhibiting current research in systems science are presented. Suggestions for overcoming these obstacles are cited as a prescription for improved progress in the field. A sampling of some of the potential near-term developments that may be expected in the three rather distinct areas of research on systems isomorphics, improvement of systems methodologies, and the utility of systems applications are illustrated with mini-case studies. Throughout, there is an attempt to identify 'key' questions and practical mechanisms that might serve as a stimulus for research. Finally, a set of criteria defining a general theory of systems is suggested and illustrated with a case study. The paper concludes with a projection of the long-term contributions that systems science may make toward a resolution of the growing chasm between high-tech solutions and high-value needs in human systems
Preschool and Maternal Labor Market Outcomes: Evidence from a Regression Discontinuity Design
In developing countries, employment rates of mothers with young children are relatively lower. This paper analyzes how maternal labor market outcomes in Argentina are affected by the preschool attendance of their children. Using pooled household surveys, we show that four yearolds with birthdays on June 30 have sharply higher probabilities of preschool attendance than children born on July 1, given enrollment-age rules. Regression-discontinuity estimates using this variation suggest that preschool attendance of the youngest child in the household increases the probability of full-time employment and weekly hours of maternal employment. We find no effect of preschool attendance on maternal labor outcomes for children that are not the youngest in the household
Godzooks
David Berlinski reviews Yuval Noah Harari’s Homo Deus: A Brief History of Tomorrow. To the question of whether human beings are shortly to become like gods, Berlinski answers not any time soon.
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The Cybernetic Theory of Decision. By John D. Steinbruner. (Princeton, New Jersey: Princeton University Press, 1974. Pp. xiii, 366. 2.45.)
The Best of Times
Has violence declined in the modern world? How can we tell? David Berlinski looks at medieval and modern violence, considering the various means by which we measure it. He also analyzes the causes of war, in particular World War I.</jats:p
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