Memory, transaction records, and the wealth of nations

Controlling on agriculture, climate, and region, recordkeeping will be positively associated with other types of impersonal exchange (902)

Variables of impersonal exchange for factor analysis: money, intercommunity trade for food, land transport, storage (food surplus)

Test
Test Name	Support	Significance	Coefficient	Tail
OLS model	`UNKNOWN`	p<0.02	`UNKNOWN`	One-tailed

Variables
Variable Name	Variable Type	OCM Term(s)
Agriculture	Combined	Agriculture
Climate	Combined	Climate
Impersonal Exchange	Independent	Preservation And Storage Of Food, Medium Of Exchange, Internal Trade, Land Transport
Recordkeeping	Dependent	Accounting, Borrowing And Lending, Records, Writing
Region	Combined	Location

Main Author	Published Year	Hypothesis	Supported	Variables Tested
Basu, Sudipta	2009	Controlling on agriculture, climate, and region, recordkeeping will be associated with increased impersonal exchange and specialization in division of labor (902-903)	`UNKNOWN`	6	Cite Related Hypotheses More By Author
Cashdan, Elizabeth	2001	At lower latitudes there will be more ethnic groups in a region (974).	Supported	2	Cite Related Hypotheses More By Author
Pryor, Frederic L.	1977	The festive reciprocal exchange of labor is also more likely to be found in agricultural societies (215).	Supported	2	Cite Related Hypotheses More By Author
Pryor, Frederic L.	1977	The presence of reciprocal exchange in a society is more probable if the primary mode of subsistence is hunting, fishing, or agriculture (215).	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