. 2017 Dec 1;14(12):1496. doi: 10.3390/ijerph14121496

Table 4.

Comparison of OEM’s Equilibrium Solutions Between Policys D and R.

$Δ \cdot$	$Δ q_{n}$	$Δ p_{n}$	$Δ q_{r}$	$Δ p_{r}$	$Δ d$	$Δ (d + q_{r})$
Sign	$+$	$0$	$-$	$+$	$+$	$+$