An open-access journal allows free online access to its articles, obtaining revenue from fees charged to submitting authors or from institutional support. Using panel data on science journals, we are able to circumvent problems plaguing previous studies of the impact of open access on citations....

Vaccinating the world’s population quickly in a pandemic has enormous health and economic benefits. We analyze the problem faced by governments in determining the scale and structure of procurement for vaccines. We analyze alternative approaches to procurement. We find that if the goal is to...

Our previous paper (McCabe and Snyder 2014) contained the provocative result that,despite a positive average effect, open access reduces cites to some articles, in particular thosepublished in lower-tier journals. We propose a model in which open access leads more readers toacquire the full...