Table IV. Hypotheses, variables and... | Emerald Publishing

Table IV.

Hypotheses, variables and expected signs

Variable		Description	Type	Hypothesis	Expected sign
log Vol	Log volume	Annual volume acquired (natural logarithm)	Continuous	H1	+
EmpMA	Better alternative	Identifies if the observed supplier is the closest supplier to the buyer company, compared to competitors	Discrete	H2	+
Distan	Distance	Distance, in kilometers between buyer and supplier	Continuous	H3	−
AdProd	Additional products	Identifies if the observed contract involves more than one product	Discrete	H4	+

Variable		Description	Type	Hypothesis	Expected sign
log Vol	Log volume	Annual volume acquired (natural logarithm)	Continuous	H1	+
EmpMA	Better alternative	Identifies if the observed supplier is the closest supplier to the buyer company, compared to competitors	Discrete	H2	+
Distan	Distance	Distance, in kilometers between buyer and supplier	Continuous	H3	−
AdProd	Additional products	Identifies if the observed contract involves more than one product	Discrete	H4	+

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