“…However, research is lacking on the validity of measuring CSR performance and disclosure quality, as well as the convergent validity between these scores. In this paper, a comparative and quantitative analysis was performed for the period 2010-2017, and the following results were obtained: (1) Based on a comparison of the rating methods, information sources, and other factors, RKS is more suitable for measuring the CSR disclosure quality, while Hexun is more suitable for measuring the CSR performance; (2) based on a Spearman correlation analysis, the convergent validity between these two scores is very low, particularly after 2013; and (3) the sub-indicator weights of the RKS system always maintain a high stability, whereas those of the Hexun system suffer from severe fluctuations starting in 2013.Sustainability 2019, 11, 3921 2 of 20 mechanisms of economic consequences [20][21][22][23], the drivers of CSR performance [24][25][26][27][28][29], and economic consequences [30][31][32][33][34][35]; and (2) the HX score is used only as a proxy for the CSR performance level, such as in research on the drivers of CSR performance [36][37][38][39][40] and the economic consequences of CSR performance [19,33,[41][42][43]. Some studies even use the level-1 sub-indicator of the HX score, the environmental dimension HXE, to score a firm's environmental performance level [44,45].Sustainability 2019, 11, x FOR PEER REVIEW 2 of 21 also for CSR performance levels, such as in research on the drivers of CSR disclosure quality [16][17][18][19], the mechanisms of economic consequences [20][21]…”