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The study aims to determine the effect of environmental performance, company’s characteristics (company size, company age) and good corporate governance (GCG) (Board of Commissioners, Independent Commissioners and Audit Committee) on environmental disclosure. The population in this study are mining companies published on the Indonesia Stock Exchange (IDX) for the 2015-2019 period. The analysis carried out in this research is descriptive statistical test, panel data testing, classical assumption test and hypothesis testing. The results indicate that the Environmental Performance variable and the Firm Size variable have a positive effect on Environmental Disclosure. While the variables of company age, Board of Commissioners, Independent Commissioner and Audit Committee have no effect on Environmental Disclosure.

Objectives. The purpose of this research is to compile a systematic literature review (SLR) regarding green bond research on the topic of greenium.Design/method/approach. The design of this research is a Literature Study. The data are collected from journals published from 2018 to 2022 and analyzed using the Protocol Search Appraisal Synthesis Analysis and Report (PSALSAR) method.Results/findings. The results showed that there are inconsistencies in the results where greenium is found in some studies and not found in other studies. In addition, there are different methods used to identify greenium. For further research on topics such as finding the determination of the emergence of greenium is still open. Theoretical contribution. This research provides additional theoretical contributions and new discussions regarding the valuation of financial assets, where apart from economic factors, non-economic factors also influence the valuation of financial assets, including investor taste.Practical contribution. This research contributes mainly to research on greenium because it found differences in investment motivation of green bond investors, so that it can be an input for further research and policies that can be taken for the development of green bonds. Limitations. This research only uses articles originating from Scopus Elsevier so that in future research it will expand the source of other articles from sources that are credible and reliable