Emergence of kinship structures and descent systems: multi-level evolutionary simulation and empirical data analysis

Mate competition influences the evolution of marriage exchange systems.

See Table 2 for variables and results.

Test
Test Name	Support	Significance	Coefficient	Tail
Spearman's Rank	Supported	`UNKNOWN`	rhos = 0.48-0.57	`UNKNOWN`

Variables
Variable Name	Variable Type	OCM Term(s)
External Warfare	Independent	Instigation Of War, Warfare
Violence/Hostility against other ethnic groups	Independent	War, Instigation Of War
Restricted / Generalized exchange	Dependent	Regulation Of Marriage, Mode Of Marriage

Main Author	Published Year	Hypothesis	Supported	Variables Tested
Pryor, Frederic L.	1977	Reciprocal exchange is more probable in societies in which the unit of observation is relatively small (215).	Supported	2	Cite Related Hypotheses More By Author
Pryor, Frederic L.	1977	Reciprocal exchange of labor can be found in societies at much higher levels of economic development than the reciprocal exchange of goods (216).	Supported	2	Cite Related Hypotheses More By Author
Textor, Robert B.	1967	In societies where wife-lending or wife-exchange is common, polygyny will be prevalent (243, 279).	Supported	2	Cite Related Hypotheses More By Author
Textor, Robert B.	1967	In societies that believe in reincarnation, wife-lending or wife-exchange will be prevalent (279, 433).	Marginally Supported	2	Cite Related Hypotheses More By Author
Textor, Robert B.	1967	Hunter-gatherers tend to rely on non-monetary economic exchange (51, 132).	Supported	2	Cite Related Hypotheses More By Author