input consumption before and after covid-19 . give answer as soon as possible its urgent I will mark him or har as brain list
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The Impact of the COVID-19 Pandemic on Consumption: Learning from High Frequency Transaction Data* Haiqiang Chen, Wenlan Qian, and Qiang Wen April 14, 2020 ... 2020) as the start of the outbreak and compare the consumption before and after. To capture the counterfactual consumption pattern, we use the same period data in 2019 as the benchmark group. Instead of using the same calendar date
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