Cost and affordability of a healthy diet for urban populations in Thailand and the Philippines before and during the COVID-19 pandemic

Table 6 Regression discontinuity estimates of the impact of COVID-19 on food prices and the CoRD

Bangkok (n = 120)	Staples	Protein foods	Vegetables	Fruit	Oils	CoRD
Cost per food group (US$/person/day)	-0.228 (0.058)	-0.008 (0.002)	0.016 (0.003)	-0.080 (0.032)	0.021 (0.001)	-0.100 (0.064)
P-value	< 0.000	< 0.001	0.013	0.011	< 0.001	< 0.001
Bandwidth estimator right	9	9	9	9	9	9
Bandwidth estimator left	8.2	20	11.6	10.4	10.1	9.5
Manila (n = 120)	Staples	Protein foods	Vegetables	Fruit	Eggs	CoRD
Cost per food group (US$/person/day)	-0.232 (0.075)	0.018 (0.007)	0.043 (0.013)	0.042 (0.017)	0.091 (0.040)	-0.124 (0.090)
P-value	< 0.001	0.013	0.001	0.011	0.02	0.167
Bandwidth estimator right	10	10	10	10	10	10
Bandwidth estimator left	8.5	17.2	20.9	15.5	22	19

Sources: DoIT [54] and PSA [55]
Robust standard errors in parentheses. Under the different specifications, the best bandwidth is calculated using an MSE-optimal bandwidth selector for the RD treatment effect estimator (MSERD)

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