A Study of the Strategic Alliance for EMS Industry: The Application of a Hybrid DEA and GM (1, 1) Approach

Table 7

Correlation of input and output data in 2009.

	Fixed assets	Cost of goods sold	Operating expenses	Revenues	Operating income	Retained earning
Fixed assets	1	0.9918877	0.9948622	0.9934644	0.9870813	0.5567119
Cost of goods sold	0.9918877	1	0.9883356	0.9998524	0.9707767	0.4694186
Operating expenses	0.9948622	0.9883356	1	0.9906894	0.9908935	0.5716045
Revenues	0.9934644	0.9998524	0.9906894	1	0.974622	0.4824481
Operating income	0.9870813	0.9707767	0.9908935	0.974622	1	0.6383985
Retained earning	0.5567119	0.4694186	0.5716045	0.4824481	0.6383985	1