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Chaos. 2019 Feb;29(2):023135. doi: 10.1063/1.5066450.

Mathematical model of gender bias and homophily in professional hierarchies.

Author information

1
Department of Mathematics, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA.
2
School of Mathematics, University of Minnesota, Minneapolis, Minnesota 55455, USA.
3
Department of Engineering Sciences and Applied Mathematics, Northwestern University, Evanston, Illinois 60208, USA.
4
Department of Mathematics, Duke University, Durham, North Carolina 27708, USA.
5
Department of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA.

Abstract

Women have become better represented in business, academia, and government over time, yet a dearth of women at the highest levels of leadership remains. Sociologists have attributed the leaky progression of women through professional hierarchies to various cultural and psychological factors, such as self-segregation and bias. Here, we present a minimal mathematical model that reveals the relative role that bias and homophily (self-seeking) may play in the ascension of women through professional hierarchies. Unlike previous models, our novel model predicts that gender parity is not inevitable, and deliberate intervention may be required to achieve gender balance in several fields. To validate the model, we analyze a new database of gender fractionation over time for 16 professional hierarchies. We quantify the degree of homophily and bias in each professional hierarchy, and we propose specific interventions to achieve gender parity more quickly.

PMID:
30823713
DOI:
10.1063/1.5066450

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