Roy Cerqueti,Fabio Tramontana,Marco Ventura
Roy Cerqueti
We introduce a dynamical system to model the complex interaction between COVID-19 and economic activity. The model introduces some novelties not accounted by SIR-like models. The equilibrium of the system is an unstable focus, with fluctuat...
Andreas Darmann
Andreas Darmann
This paper establishes the computational complexity status for a problem of deciding on the quality of a committee. Starting with individual preferences over alternatives, we analyse when it can be determined efficiently if a given committe...
W Bossert
W Bossert
This paper deals with some consequences of certain population changes on social welfare considerations. In particular, a general concept for expressing value judgments about how the addition of 1 further agent to some given society should a...
Origin and destination entropies of U.S. 1965-70 age-sex-specific intercounty migration flows [0.03%]
1965-1970年美国按年龄和性别分列的县际迁移流动的起始地与目的地熵值计算
P B Slater
P B Slater
"Eight independent pairs of entropy-based rankings of 3,140 U.S. county-level units are obtained. The criteria employed are the homogeneities of the distribution of 1965-70 in- and out-migrants of each county--for eight age-sex-specific gro...
C Blackorby,W Bossert,D Donaldson
C Blackorby
This paper concerns the ethical issues that arise when policy decisions have to be taken that affect population size and characteristics. Such policies include social security systems, intertemporal resource allocation decisions, and polici...
Comparative Study
Mathematical social sciences. 1996 Apr;31(2):115-31. DOI:10.1016/0165-4896(96)00803-7 1996
Population growth and economic development in the very long run: a simulation model of three revolutions [0.03%]
人口增长与长期经济发展:三次革命的模拟模型
G Steinmann,J Komlos
G Steinmann
The authors propose an economic model capable of simulating the 4 main historical stages of civilization: hunting, agricultural, industrial, and postindustrial. An output-maximizing society to respond to changes in factor endowments by swit...