Understanding ethnolinguistic differences: The roles of geography and trade

Post-1500 ethnic groups residing in land with high-productive variation will have increased inter-ethnic trade for subsistence and food.

This test used the Standard Cross-Cultural Sample.

Test
Test Name	Support	Significance	Coefficient	Tail
Multiple regression	Supported	p< .05	b=.201 to .316	`UNKNOWN`

Variables
Variable Name	Variable Type	OCM Term(s)
Trade	Dependent	External Trade
Land productivity variation	Independent	Climate, Land Use, Production And Supply

Main Author	Published Year	Hypothesis	Supported	Variables Tested
Dickens, Andrew	2021	Post-1500 ethnic groups residing in land with high-productive variation will have less inter-ethnic conflict.	Supported	2	Cite Related Hypotheses More By Author
Dickens, Andrew	2021	Post-1500 ethnic groups residing in land with high-productive variation will have increased exogamous inter-ethnic marriage.	Supported	2	Cite Related Hypotheses More By Author
Dickens, Andrew	2021	High land productivity variation will be associated with less language difference between neighboring ethnic groups.	Supported	2	Cite Related Hypotheses More By Author
Dickens, Andrew	2021	Agriculture will be more common in high-productivity regions when compared to non-agricultural subsistence activities.	Supported	2	Cite Related Hypotheses More By Author
Cashdan, Elizabeth	2001	Greater ethnic diversity will be found in regions with greater pathogen stress and reduced climatic variation and unpredictability (975).	Supported	3	Cite Related Hypotheses More By Author