Before revision:  With parametric specification based on literature on COVID-19, we investigate sensitivity of various quantities on  optimal strategies, taking into account the subtle tradeoff between the sanitary and the economic cost of the pandemic, together with the limited capacity level of ICU.
After revision:  With parametric specification based on literature on COVID-19, we investigate the sensitivities of various quantities on optimal strategies, taking into account the subtle tradeoff between the sanitary and the economic cost of the pandemic, together with the limited capacity level of ICU.