Table 9.

The payoff matrix under the dynamic punishment mechanism (DPM).

The Enterprise	The Government
	$\mathbf{Strong}\mathbf{Willingness}(\mathit{q})$	$\mathbf{Weak}\mathbf{Willingness}(1-\mathit{q})$
Strong willingness $(p)$	$(-{\xi }_1,-{\psi }_1)$	$(-{\xi }_1,-{\psi }_2)$
Weak willingness $(1-p)$	$(-{\xi }_2+e-f(p),-{\psi }_1+f(p))$	$(-{\xi }_2+e,-{\psi }_2)$