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. 2022 Oct 13;112:102365. doi: 10.1016/j.foodpol.2022.102365

Table 6.

Estimated COVID-19 Effects with Heterogenous Tastes by K-means Clustering.

Variables NRF NPI
(1) (2) (3) (4) (5) (6) (7) (8)
National Cases −0.155* −0.158*** −0.176*** −0.218*** −0.013* −0.046*** −0.030** −0.070***
(0.072) (0.030) (0.028) (0.055) (0.007) (0.007) (0.011) (0.019)
Local Cases −0.131** −0.281*** −0.279*** −0.331*** −0.017** −0.030*** −0.033** −0.023**
(0.046) (0.047) (0.031) (0.044) (0.006) (0.008) (0.011) (0.010)
K-means 500 Yes Yes
K-means 1000 Yes Yes
K-means 1500 Yes Yes
Other Control Variables Yes Yes Yes Yes Yes Yes Yes Yes
City-month Yes Yes Yes Yes Yes Yes Yes Yes
Chain FE Yes Yes Yes Yes Yes Yes Yes Yes
City FE Yes Yes Yes Yes Yes Yes Yes Yes
Day of the week FE Yes Yes Yes Yes Yes Yes Yes Yes
Hour FE Yes Yes Yes Yes Yes Yes Yes Yes
Month FE Yes Yes Yes Yes Yes Yes Yes Yes
Observations 144,044 144,044 144,044 144,044 144,044 144,044 144,044 144,044
R-squared 0.030 0.180 0.190 0.203 0.042 0.260 0.269 0.276