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. Author manuscript; available in PMC: 2020 Dec 1.
Published in final edited form as: Food Policy. 2019 Oct 26;89:101783. doi: 10.1016/j.foodpol.2019.101783

Table 1.

Summary statistics.

Cookies
Ready-to-eat cereals
Variable 2012 2013 2014 2015 2012 2013 2014 2015
Corrected price per kg 66.01 66.85 73.52 72.51 65.72 63.03 64.12 62.95
(0.34) (0.33) (0.37) (0.40) (0.30) (0.28) (0.33) (0.37)
Uncorrected price per kg 59.10 61.08 65.34 66.98 66.64 62.66 63.69 62.27
(0.31) (0.30) (0.33) (0.37) (0.31) (0.29) (0.33) (0.37)
GIEA (lagged) 98.56 99.83 102.23 105.54 98.75 99.89 102.13 105.53
(0.05) (0.04) (0.04) (0.04) (0.05) (0.05) (0.06) (0.06)
Population 6.41 6.59 6.73 6.79 6.64 6.47 6.58 6.45
(0.19) (0.19) (0.19) (0.20) (0.21) (0.21) (0.23) (0.26)
Yearly HHI 3954.19 3792.78 3692.01 3555.23 4520.89 4496.23 4213.97 4489.81
(0.00) (0.00) (0.00) (0.00) (0.00) (0.00) (0.00) (0.00)
Corrected price per kg: LF 64.35 65.16 72.13 71.83 68.39 65.15 66.89 64.66
(0.51) (0.50) (0.57) (0.61) (0.41) (0.39) (0.48) (0.51)
Corrected price per kg: NLF 68.28 68.99 75.26 73.37 61.12 58.64 58.24 59.34
(0.38) (0.33) (0.41) (0.45) (0.46) (0.42) (0.44) (0.55)
Number of brands: LF 27.00 27.00 27.00 27.00 10.00 11.00 11.00 11.00
(0.00) (0.00) (0.00) (0.00) (0.00) (0.00) (0.00) (0.00)
Number of brands: NLF 15.00 15.60 15.60 14.60 9.00 9.33 9.33 9.33
(11.36) (11.80) (11.80) (11.22) (2.65) (2.08) (2.08) (2.08)
Number of UPI: LF 122.00 140.00 141.00 129.00 88.00 101.00 101.00 81.00
(0.00) (0.00) (0.00) (0.00) (0.00) (0.00) (0.00) (0.00)
Number of UPI: NLF 43.00 47.00 47.60 44.00 29.00 31.67 31.33 27.33
(31.33) (36.48) (36.61) (32.89) (7.00) (10.02) (9.45) (11.02)
Mean of UPI by city 68.43 72.45 67.78 59.83 36.07 38.78 34.42 26.85
(39.30) (42.89) (41.56) (36.23) (22.07) (23.83) (21.32) (17.17)
Max number of UPI by city 229.00 248.67 235.67 204.67 127.50 138.92 124.25 99.42
(9.40) (14.05) (6.97) (8.49) (6.89) (6.13) (8.90) (6.39)
Min number of UPI by city 27.00 31.83 28.83 21.17 16.75 18.33 14.92 9.92
(2.89) (4.22) (4.28) (3.65) (2.09) (1.97) (3.04) (2.18)
N 44,342 46,948 43,922 38,772 23,373 25,132 22,301 17,402
Salty snacks and peanuts
Pre-packaged sweet bread
Variable 2012 2013 2014 2015 2012 2013 2014 2015
Corrected price per kg 130.17 132.22 142.39 143.03 88.95 92.03 98.88 99.40
(0.70) (0.66) (0.72) (0.74) (0.42) (0.43) (0.46) (0.53)
Uncorrected price per kg 116.35 118.68 126.29 127.82 77.58 80.05 85.78 86.72
(0.63) (0.60) (0.64) (0.67) (0.37) (0.38) (0.41) (0.46)
GIEA (lagged) 98.53 99.82 102.23 105.55 98.52 99.84 102.22 105.55
(0.05) (0.05) (0.05) (0.05) (0.11) (0.10) (0.11) (0.10)
Population 6.10 6.19 6.23 6.42 9.60 9.62 9.88 10.35
(0.22) (0.21) (0.21) (0.22) (0.42) (0.41) (0.42) (0.43)
Yearly HHI 3909.00 3811.09 3585.43 3728.77 8892.27 8912.55 8878.88 9261.86
(0.00) (0.00) (0.00) (0.00) (0.00) (0.00) (0.00) (0.00)
Corrected price per kg: LF 140.56 143.78 154.82 154.51 88.15 91.02 98.19 99.74
(0.77) (0.69) (0.77) (0.82) (0.43) (0.43) (0.46) (0.55)
Corrected price per kg: NLF 108.05 107.74 115.93 118.83 101.01 107.47 109.72 89.59
(1.04) (1.00) (1.09) (1.13) (1.87) (2.05) (2.03) (2.58)
Number of brands: LF 31.00 31.00 31.00 29.00 18.00 19.00 19.00 18.00
(0.00) (0.00) (0.00) (0.00) (0.00) (0.00) (0.00) (0.00)
Number of brands: NLF 11.25 11.50 11.50 11.13 6.50 6.50 6.50 6.50
(9.69) (10.03) (10.03) (9.57) (7.78) (7.78) (7.78) (7.78)
Number of UPI: LF 136.00 151.00 149.00 142.00 58.00 61.00 62.00 57.00
(0.00) (0.00) (0.00) (0.00) (0.00) (0.00) (0.00) (0.00)
Number of UPI: NLF 27.88 29.38 29.38 28.13 7.50 7.50 7.50 7.50
(23.59) (24.15) (24.15) (22.86) (9.19) (9.19) (9.19) (9.19)
Mean of UPI by city 61.27 64.97 62.32 56.63 17.94 18.46 17.38 14.36
(37.51) (39.51) (39.79) (36.81) (9.53) (9.41) (10.13) (8.83)
Max number of UPI by city 231.50 247.58 247.42 224.17 57.00 58.08 59.76 52.67
(6.11) (13.59) (9.98) (9.52) (3.47) (2.33) (3.04) (2.87)
Min number of UPI by city 22.67 29.08 24.67 18.25 3.50 5.67 2.58 1.91
(3.43) (2.75) (2.53) (1.92) (1.19) (1.38) (1.04) (0.76)
N 39,703 42,101 40,386 36,698 11,628 11,963 11,229 9,263

Note: Standard error in parentheses. Corrected prices correct for biases associated with households’ and retailers’ characteristics. GIEA: Global Indicator of Economic Activity, HHI: Herfindahl-Hirschman Index, LF: leading firm; NLF: Non-leading firm, UPI: Unique product identifier.

Source: Authors’ own analyses and calculations based on data from Nielsen through its Mexico Consumer Panel Service (CPS) for the food and beverage categories for January 2012 – December 2015. The Nielsen Company, 2016. Nielsen is not responsible for and had no role in preparing the results reported herein.