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Notation | Description |
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Model parameter |
cm | Manufacturing cost per unit of new product |
cr | Remanufacturing cost per unit of remanufactured product (generally, cr < cm) |
em | Carbon emissions for producing a new product |
er | Carbon emissions for producing a remanufactured product (generally, em > er) |
ɛ1 | Selling price for one unit of carbon emission permit |
ɛ2 | Buying price for one unit of carbon emission permit. For simplicity, we set ɛ1 < ɛ2 |
Mm | Carbon emissions cap the government allocates to the OEM |
Mr | Carbon emissions cap the government allocates to the TPR |
A | Market capacity |
Θ | Consumer’s willingness to pay |
Γ | Yield rate, γ ϵ (0, 1) |
Α | Quantity that the consumers return voluntarily at zero price |
Β | Sensitivity of consumers to acquisition price |
G | Acquired quantity of used product |
G | Government subsidy per unit of acquired used product |
Decision variables for TPR |
p2r | Sales price per unit of remanufactured product in scenario 2 |
q2r | Remanufacturing quantity/demand for remanufactured products in scenario 2 |
u | Acquisition price the TPR collects per unit of used product |
Decision variables for OEM |
qim | Manufacturing quantity/demand for new products in scenario i, i = 1, 2 |
pim | Sales price per unit of new product in scenario i |
f | Royalty rate that the OEM charges the TPR per unit of remanufactured product |
Objective function |
Пim | Total profit of OEM in scenario i, i = 1, 2 |
П2r | Total profit of TPR in scenario 2 |
Пs | Total profit of the entire supply chain with centralized decision making |
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