Search for: [Abstrakt = "The aim of the study was to answer the question of how being listed on the WIG\-ESG index affects the quality of published non\-financial information. The author studied the annual reports of companies listed on the WIG\-ESG, and of companies outside this index. The analysis of variance and grouping using the k\-means method, followed by the evaluation of the obtained division by the value of the silhouette index, showed that in terms of the variables describing the quality of published non\-financial information, it was impossible to demonstrate that companies listed on the WIG\-ESG stand out when compared to other entities."]
