“2-yr mean citedness” is the OpenAlex field summary_stats.2yr_mean_citedness (CC0): mean citations per paper over a two-year window. It is a raw bibliometric field, not a journal rating, and is not used for default ranking.
Social Sciences100Economics, Econometrics and Finance74Arts and Humanities16Business, Management and Accounting16Social Sciences: Economic history and conditions1Social Sciences: Economic theory. Demography: Economics as a science1