                      0.00000                                                                                       0.00000[\*\*\*](#TFN00){ref-type="table-fn"}     0.00000[\*\*](#TFN00){ref-type="table-fn"}     0.00000[\*\*\*](#TFN00){ref-type="table-fn"}                                             (0.00000)                                                                                     (0.00000)                                        (0.00000)                                      (0.00000)   × per capita GDP                          −0.000                                                                                        −0.000                                           −0.000                                         −0.0000                                             (0.000)                                                                                       (0.000)                                          (0.000)                                        (0.000)   × \# of doctors                           −0.000                                                                                        −0.000[\*\*](#TFN00){ref-type="table-fn"}        −0.000[\*\*](#TFN00){ref-type="table-fn"}      −0.000[\*\*](#TFN00){ref-type="table-fn"}                                             (0.000)                                                                                       (0.000)                                          (0.000)                                        (0.000)   × temperature                                                                            −0.000                                         −0.000[\*\*](#TFN00){ref-type="table-fn"}        −0.000[\*\*](#TFN00){ref-type="table-fn"}      −0.000[\*\*](#TFN00){ref-type="table-fn"}                                                                                            (0.000)                                        (0.000)                                          (0.000)                                        (0.000)   × wind speed                                                                             −0.000[\*\*\*](#TFN00){ref-type="table-fn"}    −0.000                                           −0.000                                         −0.000                                                                                            (0.000)                                        (0.000)                                          (0.000)                                        (0.000)   × precipitation                                                                          −0.000                                         −00.00[\*\*\*](#TFN00){ref-type="table-fn"}      −00.00[\*\*\*](#TFN00){ref-type="table-fn"}    −00.00[\*\*\*](#TFN00){ref-type="table-fn"}                                                                                            (00.00)                                        (0.000)                                          (0.000)                                        (0.000)   Other cities                              −0.000                                         0.000[\*\*](#TFN00){ref-type="table-fn"}       0.000                                            0.000                                          0.000   *weight = inverse distance*               (0.000)                                        (0.000)                                        (0.000)                                          (0.000)                                        (0.000)   Other cities                                                                                                                                                                             0.0000                                         −0.0000   *weight = inverse density ratio*                                                                                                                                                         (0.0000)                                       (0.0000)   Wuhan                                     00.00[\*\*\*](#TFN00){ref-type="table-fn"}     0.000                                          00.00[\*\*](#TFN00){ref-type="table-fn"}         00.00[\*\*](#TFN00){ref-type="table-fn"}       0.000[\*](#TFN00){ref-type="table-fn"}   *weight = inverse distance*               (0.000)                                        (0.000)                                        (0.000)                                          (0.000)                                        (0.000)   Wuhan                                     −0.000000                                      0.00000                                        0.00000                                          0.00000                                        0.00000   *weight = population flow*                (0.00000)                                      (0.00000)                                      (0.00000)                                        (0.00000)                                      (0.00000)   Wuhan                                                                                                                                                                                                                                   −0.000   *weight = inverse per capita GDP ratio*                                                                                                                                                                                                 (0.000)   Wuhan                                                                                                                                                                                                                                   −0.0000   *weight = inverse density ratio*                                                                                                                                                                                                        (0.000)   Observations                              0,000                                          0,000                                          0,000                                            0,000                                          0,000   Number of cities                          000                                            000                                            000                                              000                                            000   Weather controls                          YES                                            YES                                            YES                                              YES                                            YES   City FE                                   YES                                            YES                                            YES                                              YES                                            YES   Date FE                                   YES                                            YES                                            YES                                              YES                                            YES  The dependent variable is the number of daily new confirmed cases. Reported are IV regression coefficients with lagged average maximum wind speed and precipitation used as instruments. Standard errors in parentheses are clustered by provinces.  p\<0.00,  p\<0.00,  p\<0.0.  ######   Social and Economic Factors Mediating the Transmission of COVID-00, Feb 0 - Feb 00                                              \(0\)                                            \(0\)                                          \(0\)                                          \(0\)                                          \(0\)   ----------------------------------------- ------------------------------------------------ ---------------------------------------------- ---------------------------------------------- ---------------------------------------------- ----------------------------------------------   Average \# of new cases, 0 week lag                                                                                                                                                                                                        Own city                                  −0.000                                           0.000[\*](#TFN00){ref-type="table-fn"}         −0.000                                         −0.000                                         −0.000                                             (0.000)                                          (0.000)                                        (0.000)                                        (0.000)                                        (0.000)   × population density                      −0.000000                                                                                       0.000000