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Table 9 AID model estimation results - wholegrain rolls

From: Reducing calorie sales from supermarkets – ‘silent’ reformulation of retailer-brand food products

 

Brand 2 sandwich rolls

Private-label wholegrain rolls

Brand 2, grain rolls

Brand 1 multi-grain rolls

Initial share of calories

18.1%

35.1%

19.4%

27.4%

Initial share of sales value

16.1%

30.1%

20.5%

33.2%

AID model estimation results

Ln PBrand 2 sandwich rolls

0.00003

−0.00001

−0.00001

−0.00001

(0.00000)

(0.00000)

(0.00000)

(0.00000)

Ln PPrivate-label wholegrain rolls

−0.00001

0.00002

−0.00001

−0.00001

(0.00000)

(0.00000)

(0.00000)

(0.00000)

Ln PBrand 2, grain rolls

−0.00001

−0.00001

0.00002

−0.00001

(0.00000)

(0.00000)

(0.00000)

(0.00000)

Ln PBrand 1 multi grain rolls

−0.00001

−0.00002

−0.00001

0.00004

(0.00000)

(0.00000)

(0.00000)

(0.00000)

LnPBrand 3 wholegrain

−0.00005

0.00008

0.00000

−0.00004

(0.00006)

(0.00015)

(0.00010)

(0.00011)

Real budget

0.00000

−0.00001

0.00000

0.00001

(0.00000)

(0.00000)

(0.00000)

(0.00000)

Reformulation dummy

−0.00615

0.00408

0.01379

−0.01164

(0.00399)

(0.00998)

(0.00683)

(0.00756)

Trend

0.00000

0.00008

−0.00012

0.00005

(0.00007)

(0.00018)

(0.00012)

(0.00014)

Christmas dummy

−0.00056

0.00234

0.00000

−0.00206

(0.00534)

(0.01330)

(0.00913)

(0.01010)

AR (1)

0.22398

0.20410

0.38075

0.00000

(0.02580)

(0.01760)

(0.01950)

(0.00000)

Intercept

0.19093

0.22398

0.20410

0.38075

(0.01030)

(0.02580)

(0.01760)

(0.01950)

Root MSE

0.0039

0.0098

0.0067

0.0074

R2

1.00

0.99

0.99

0.99

R2-adj

0.99

0.99

0.99

0.99