A Mathematical Approach to Supply Complexity Management Efficiency Evaluation for Supply Chain

Table 2

Complexity factors of supply chain.

Complexity index	A	B	C	D	E
The number/kind of goods	О	О	О	О	О
The number of plants	О			О
The number of providers		О		О
The number of raw materials		О
The hierarchy of providers			О
The number of transportations	О
The number of processes			О
Product life cycle					О
Lead time of product/process					О
The number of customers		О		О	О
Demand volatility of customers		О
The number of foreign branches		О
The function of goods				О

A: Kim and Ham [19], B: Bozarth et al. [20], C: Ashkenas [21], D: Mariotti [22], and E: Wilson and Perumal [23].