The effect of food price changes on consumer purchases: a randomised experiment.
Waterlander WE, Jiang Y, Nghiem N, Eyles H, Wilson N, Cleghorn C, Genç M, Swinburn B, Mhurchu CN, Blakely T.
Waterlander WE, et al.
Lancet Public Health. 2019 Aug;4(8):e394-e405. doi: 10.1016/S2468-2667(19)30105-7.
Lancet Public Health. 2019.
PMID: 31376858
Free article.
Clinical Trial.