↖︎ Vishal Singh
D3M Case Pack — No. 04 · Share of Wallet

When the lattes stopped flowing

A look at how the COVID-19 national emergency reshaped consumer fast-food spending — measured not in dollars, but in share of wallet, the slice of every food-away-from-home dollar each brand captures.

Live brand selector
Avg Share of Wallet
national, full period
Pre-COVID (Jan 1 – Mar 12)
baseline level
Post-COVID (Mar 13 – Apr 30)
after national emergency
Change in SoW
vs pre-COVID baseline

STARBUCKS: Share of Wallet by state

CHOROPLETH · AVG OVER PERIOD
Share of Wallet

Day-of-week rhythm

AVG SoW · BY POLITICAL LEAN
Blue states Red states

STARBUCKS: Trend in % difference of Share of Wallet

BLUE vs RED · BASELINE = JAN 1–14 AVG
Blue states Red states Shaded region = post national-emergency (Mar 13 onward)

MethodShare of Wallet is computed as each brand's daily expenditure divided by the total expenditure across all ten brands within that state and day. Trend chart shows percent difference from each (brand × political-lean) group's January 1–14 baseline; positive values indicate the brand was gaining share, negative values indicate it was losing share. DataAggregated credit-card transaction panel, Jan 1 – Apr 30, 2020.