 We find that the coordinated, i.e., simultaneous, lockdowns have less GDP losses than the incoordinated lockdownsthrough the test of all combinations of two-region lockdowns .
<clarity>  We find that the coordinated, i.e., simultaneous, lockdowns have less GDP losses than the incoordinated lockdownsthrough the test of all combinations of two-region lockdowns .
 We find that the coordinated, i.e., simultaneous, lockdowns yield smaller GDP losses than the incoordinated lockdownsthrough the test of all combinations of two-region lockdowns .