Table 3.
Parameters
| Epidemiological | |||
| Basic transmission rate | betabar | 2.5/7 | Moll (2020): Basic reproduction number =2.5; average duration of infectious period=7 |
| Recovery rate | gamma | 1/7 | Moll (2020): Average duration of infectious period=7 |
| Initial (S, I, R) | S1 | 0.9999968 | Average value across prefectures as of March 11, 2020. |
| I1 | 2.909*10-6 | Average value across prefectures as of March 11, 2020. | |
| R1 | 0 | Average value across prefectures as of March 11, 2020. | |
| Countermeasures | |||
| Share of isolation of infectious | eta | 0.4036 | Coefficient of Stay in the regression of estimated beta |
| Requeset-based Lockdown (baseline: strong) | l | 0.323 | Coefficient of state-of-emergency dummy in the regression of Stay for 1st wave |
| Requeset-based Lockdown (weak) | l | 0.108 | one-third of the baseline |
| Lockdown Start | lstart | 27 | Start of the state of emergency in Tokyo (April 7, 2020) from day 1 (March 11, 2020) |
| Lockdown End | lend | 27+47 | End of the state of emergency in Tokyo (May 24, 2020) from day 1 (March 11, 2020) |
| Behavioral | |||
| Learning speed | chi | 2/30 | Kaplan, Moll and Violante (2020) |
| Upper bound of learning/basic transmission rate | omega1 | 0.2 | Kaplan, Moll and Violante (2020) |
| Days at which learning srart | t0 | 120 | Kaplan, Moll and Violante (2020) |
| Preference | |||
| Discount rate (per day) | rho | 0.05/365 | |
| Elasticity of substitution between social and home goods | 1/(1-sigma) | 2 | Kaplan, Moll and Violante (2020) |
| Elasticity of substitution between social/home and regular goods | 1/(1-psi) | 1/0.9 | Close to Cobb-Douglas |
| Share of home good in total consmption | ch | 0.32 | Share of time spent on housework, caring or nursing, child care and shopping |
| Share of social goods in sum of social and regular goods | cs/(cs+cr) | 0.26 | Share of services excluding utilities, communication, and rents |
| →Share paramter of home goods in social/home aggregate | theta_h | 0.57 | |
| →Share paramter of regular goods relative to social/home goods | theta_r | 0.95 | |
| Disutility of infection (baseline: high) | D | 1308.3 | Coefficient of infection risk in the regression of the stay-at-home ratio for 1st wave |
| Disutility of infection (middle) | D | 324.3 | Coefficient of infection risk in the regression of the stay-at-home ratio for 2nd wave |
| Disutility of infection (small) | D | 142.8 | Coefficient of infection risk in the regression of the stay-at-home ratio for 3rd wave |