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On the emergence of ecological and economic niches

Published in Journal of Bioeconomics

The origin of economic niches, conceived as potential markets, has been mostly neglected in economic theory. Ecological niches emerge as new species evolve and fit into a web of interactions, and the more species come into existence, the more (exponentially or power-law distributed) ecological niches emerge. In parallel fashion, economic niches eme...

Temptation, self-control, and inter-temporal choice

Published in Journal of Bioeconomics

This paper presents the TSC\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$${ TSC}$$\end{document} framework, a novel formalization of self-control problems. It suggests...

Transition of the BMI distribution in India: evidence from a distributional decomposition analysis

Published in Journal of Bioeconomics

India is facing a public health problem of both over-nutrition and persistent under-nutrition. This paper studies the transition in body mass index distribution in India from 2005/2006 to 2015/2016. The change in the distribution is characterized not only by a locational shift but also a shape change. As well as the mean difference decomposition, t...

Gang wars, gang employment and drug prices

Published in Journal of Bioeconomics

The distribution of illegal drugs on local markets is closely related to the phenomenon of gang wars. In a simple model of a local monopoly gang it is studied how the simultaneous decision on the number of low-rank gang members and the local retail market drug prices may affect gang wars. The drug distribution technology is described by a concave p...

Editorial announcement

Published in Journal of Bioeconomics

Plant domestication more rapid under optimizing behavior

Published in Journal of Bioeconomics

We assume that early Neolithic cultivators had an optimizing behavior aiming yield maximization and labor efficiency. Then we conduct a hypothetical optimization exercise by examining which consequences such behavior would have if applied to the cultivation of Near-Eastern wild cereals, especially on their rate of domestication measured by the freq...

Interethnic relations, informal trading networks, and social integration: imitation, habits, and social evolution

Published in Journal of Bioeconomics

The ethnically homogeneous middleman groups (EHMGs), which are informal trading networks, are ubiquitous in less-developed economies where the legal infrastructure for contract enforcement is not well developed. This paper develops a formal model of social interaction among members of the EHMG as well as in more general situations in a multi-ethnic...

Editorial announcement

Published in Journal of Bioeconomics

Black and white female body mass index values in the developing late 19th and early 20th century United States

Published in Journal of Bioeconomics

When traditional measures for economic welfare are scarce or unreliable, stature and the body mass index (BMI) are now widely-used measures that reflect economic conditions. However, little work exists for late 19th and early 20th century women’s BMIs in the US and how they varied over time. Women’s BMIs stagnated throughout the late 19th and early...