There are various guidelines for authorship, but with no clear definition, and with tacitly agreed standards which vary between disciplines, it is often not clear what contribution each person has made to the specific project, and this can lead to authorship disputes.
In this LERU paper, we aim to develop a common understanding of what responsible and equitable authorship is, by using the four principles of the ALLEA Code (Reliability, Honesty, Respect and Accountability), as a basis.