Table 2 Parameters of the model Symbol... | Emerald Publishing

Table 2

Parameters of the model

Symbol	Definition	Symbol	Definition
$a$	Basic market demand, $a > 0$	$τ$	Subsidy amount per unit of product greenness
$ε$	Random demand caused by market uncertainty	$π_{M_{i}}^{j}$	Profit of the manufacturer in supply chain $i$ under subsidy policy $j$
$σ$	Standard deviation of random market demand, $σ > 0$	$E (π_{M_{i}}^{j})$	Expected profit of the green manufacturer in supply chain $i$ under subsidy policy $j$
$β$	Competition intensity between supply chains, $0 < β < 1$	$U (π_{M_{i}}^{j})$	Utility of the green manufacturer in supply chain $i$ under subsidy policy $j$
$γ$	Consumers' green preference coefficient, $0 < γ < 1$	$π_{R_{i}}^{j}$	Profit of the retailer in supply chain $i$ under subsidy policy $j$
$D_{i}^{j}$	Market demand of the product of supply chain $i$ under subsidy policy $j$	$E (π_{R_{i}}^{j})$	Expected profit of the green retailer in supply chain $i$ under subsidy policy $j$
$θ_{g}^{j}$	Greenness level of the green product under subsidy policy $j$ ⁠; decision variable	$π_{i}^{j}$	Profit of supply chain $i$ under subsidy policy $j$
$ω_{i}^{j}$	Wholesale price of the product in supply chain $i$ under subsidy policy $j$ ⁠; decision variable	$s^{j}$	Government subsidy amount under subsidy policy $j$
$p_{i}^{j}$	Retail price of the product in supply chain $i$ under subsidy policy $j$ ⁠; decision variable	$π_{H}^{j}$	Environmental benefit under subsidy policy $j$
$φ$	Risk-aversion coefficient of the green manufacturer	$π_{J}^{j}$	Economic benefit under subsidy policy $j$
$μ$	Subsidy coefficient of the product retail price	$π_{Z}^{j}$	Comprehensive benefit under subsidy policy $j$

Symbol	Definition	Symbol	Definition
$a$	Basic market demand, $a > 0$	$τ$	Subsidy amount per unit of product greenness
$ε$	Random demand caused by market uncertainty	$π_{M_{i}}^{j}$	Profit of the manufacturer in supply chain $i$ under subsidy policy $j$
$σ$	Standard deviation of random market demand, $σ > 0$	$E (π_{M_{i}}^{j})$	Expected profit of the green manufacturer in supply chain $i$ under subsidy policy $j$
$β$	Competition intensity between supply chains, $0 < β < 1$	$U (π_{M_{i}}^{j})$	Utility of the green manufacturer in supply chain $i$ under subsidy policy $j$
$γ$	Consumers' green preference coefficient, $0 < γ < 1$	$π_{R_{i}}^{j}$	Profit of the retailer in supply chain $i$ under subsidy policy $j$
$D_{i}^{j}$	Market demand of the product of supply chain $i$ under subsidy policy $j$	$E (π_{R_{i}}^{j})$	Expected profit of the green retailer in supply chain $i$ under subsidy policy $j$
$θ_{g}^{j}$	Greenness level of the green product under subsidy policy $j$ ; decision variable	$π_{i}^{j}$	Profit of supply chain $i$ under subsidy policy $j$
$ω_{i}^{j}$	Wholesale price of the product in supply chain $i$ under subsidy policy $j$ ; decision variable	$s^{j}$	Government subsidy amount under subsidy policy $j$
$p_{i}^{j}$	Retail price of the product in supply chain $i$ under subsidy policy $j$ ; decision variable	$π_{H}^{j}$	Environmental benefit under subsidy policy $j$
$φ$	Risk-aversion coefficient of the green manufacturer	$π_{J}^{j}$	Economic benefit under subsidy policy $j$
$μ$	Subsidy coefficient of the product retail price	$π_{Z}^{j}$	Comprehensive benefit under subsidy policy $j$

Note(s): $i = n, g$ denote the conventional supply chain and the green supply chain, respectively; $j = O, P, G$ denote the no-subsidy policy, the price-subsidy policy, and the green-subsidy policy, respectively