Results
Electronic database and grey literature searches identified 43,693 records for all ten pricing policies combined. The review of relevant reference lists and other sources yielded a further 2,345 records. After removal of duplicates, 32,011 articles were screened by title and abstract, resulting in 1,000 potential articles to be included in the wider review. Nine of these articles were specific to policies promoting price transparency at first sight. After full-text screening, three scientific articles covering two policy measures were included in this section of the systematic review (Both studies identified had an interrupted time series design, one examining data from the United Kingdom Summary of included studies.ITS=Interrupted time series.The results of the risk of bias assessment are presented in Risk of bias assessment of included studies.Bias domains only applicable to ITS and RM studies. Moodley et al. 