

This document is a technical report that discusses the economic implications of article processing charges (APCs) in open access (OA) publishing. It outlines the current landscape of OA journals, noting that a significant percentage do not charge APCs and that major publishers are increasingly adopting OA models. The report details the growth of APCs and their impact on library budgets, highlighting that these charges can constitute a substantial portion of publication costs. Additionally, the report presents challenges associated with APCs, including their potential to hinder global participation in research publishing. It also suggests possible solutions for managing APC costs, such as determining who should be responsible for payment and exploring different licensing options. The document concludes with a comparison between journals with high and low APCs, indicating that pricing strategies can influence the quality of content published. Overall, it provides a comprehensive examination of the financial dynamics at play in the transition to OA publishing.