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The present study aims to analyze 1) the relationship between CitationNormalized Score of scientific publications and Article Processing Charges(APCs) of Gold Open Access (OA) publications 2) the determinants of APCs. To doso, we used APCs information provided by the OpenAPC database, citation scoresof publications from the WoS database and, for Altmetrics, data fromAltmetrics.com database, over the period from 2006 to 2019 for 83,752 articlespublished in 4751 journals belonging to 267 distinct publishers. Results showthat contrary to common belief, paying high APCs does not necessarily increasethe impact of publications. First, large publishers with high impact are notthe most expensive. Second, publishers with the highest APCs are notnecessarily the best in terms of impact. Correlation between APCs and impact ismoderate. Regarding the determinants, results indicate that APCs are on average50% higher in hybrid journals than in full OA journals. The results alsosuggest that Altmetrics do not have a great impact: OA articles that havegarnered the most attention on internet are articles with relatively low APCs.Another interesting result is that the ''number of readers'' indicator is moreeffective as it is more correlated with classic bibliometrics indicators thanthe Altmetrics score.

Article Processing Charges, Altmetrics and Citation Impact: Is there an economic rationale?