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

Table 8

Correlation of input and output data in 2010.

	Fixed assets	Cost of goods sold	Operating expenses	Revenues	Operating income	Retained earning
Fixed assets	1	0.9961601	0.9946756	0.9966511	0.9969196	0.6693217
Cost of goods sold	0.9961601	1	0.9897864	0.9999604	0.9965469	0.6249093
Operating expenses	0.9946756	0.9897864	1	0.9910043	0.995016	0.7097266
Revenues	0.9966511	0.9999604	0.9910043	1	0.9970943	0.6303295
Operating income	0.9969196	0.9965469	0.995016	0.9970943	1	0.6591707
Retained earning	0.6693217	0.6249093	0.7097266	0.6303295	0.6591707	1