IFRS adoption and firms’ opacity around the world: what factors affect this relationship?

Purpose This paper aims to identify what are the moderating factors affecting relationship between firms’ adoption of international financial and reporting standards (IFRS) firm’s opacity. Design/methodology/approach study uses meta-analysis methodology from Hunter et al. (1982) find if mere IFRS reduces opacity a meta-regression Stanley Jarrell (1989) that may influence this relationship. Findings Contrary previous studies, finds low, negative nonsignificant correlation opacity, but depends on geographical region. Using 34 results 28 studies different continents published 2005 2018 in countries with common law (COML) more authorities’ oversight power enforce rules. Originality/value two institutional commonalities intend assess impact upon opacity: legal system power.