For our last piece of analysis for 2021, we revisit how the “quality” of OA journals compares with the market average. Background We have previously examined the longstanding perception that OA journals are of lower “quality” than average. We used a few different citation-based measures of impact as a proxy for perceived quality. Although we… Read More

Each year, Delta Think’s OA Market Sizing analyzes the value of the open access journals market. This is the revenue generated by providers or the costs incurred by buyers of content. Our analysis this year shows that the open access market has had an exceptional year of growth in 2020. The effects of COVID-19 and… Read More

Connecting the Metadata Dots: An Hypothesis, A Method, and a Peer Review Walk into a Pub… By Heather Staines Background A new platform called Octopus has been in the news lately, as it was referenced in a recent UK Research and Innovation (UKRI) policy statement. Octopus defines eight types of content objects that might be… Read More

Last month we looked at the growth of OA Books from the perspective of the activity in the DOAB index. This month we look at them from the publishing perspective to understand how backlist compares with frontlist, how books compare with journals, and the subject coverage in OA Books. Background Most books will make the… Read More

This month we look at the growth of Open Access Books. We look at some key statistics from the Directory of Open Access Books (DOAB) and examine the rapid growth in OA Books. Background The Directory of Open Access Books (DOAB) was originally developed in 2012. It is one of three platforms run by the… Read More

Overview This month we look at Transformative Journals (TJs). We examine what their measures of compliance mean and how the criteria for growing OA in TJs compares with the typical growth of OA in hybrid journals. Background We have previously analyzed the proportions of papers that might be affected by Plan S, the European-led initiative… Read More

This month we look at the possible effects of Plan S on the value of the scholarly publishing market. This follows last month’s analysis of the effect Plan S might have on the volumes of output in the scholarly publishing market. We also examine the potential effects of the UKRI adopting Plan S policies. Background… Read More

In January 2021, the implementation of Plan S began in earnest. This month we take a look at the effect Plan S might have on the volumes of output in the scholarly publishing market. We also examine the potential effects of the OSTP and UKRI agencies adopting Plan S policies. Next month we will look… Read More