Additive Slack-Based Measure for a Two-Stage Structure with Shared Inputs and Undesirable Feedback

Table 2

Description of inputs and outputs.

Stage	Type	Measure	Unit
Stage 1: Production	Input	Capital	100 million RMB Yuan
	Input	Labor	10 thousand persons
	Input	Energy	10 thousand tons of coal
	Input	OV: Output value of products made from waste water, waste gas, and solid waste	100 million RMB Yuan
	Output	GIOV: Gross industrial output value	100 million RMB Yuan
	Output	Industrial waste water discharge	10 thousand tons
	Output	Industrial waste gas emission	Billion standard cu.m
	Output	Industrial solid waste generated	10 thousand tons
Stage 2: Waste disposal	Input	Investment in treatment of industrial waste water, waste gas, and solid waste	100 million RMB Yuan
	Input	Labor	10 thousand persons
	Input	Energy	10 thousand tons of coal
	Input	Industrial waste water discharge	10 thousand tons
	Input	Industrial waste gas emission	Billion standard cu.m
	Input	Industrial solid waste generated	10 thousand tons
	Output	OV: Output value of products made from waste water, waste gas, and solid waste	100 million RMB Yuan