Whether or not this is a good idea depends upon the situation. Whether or not to publish should always be determined by need, not just a desire to create activity.
Newsletters are efficient vehicles for communicating with a group's members.
They may include meeting announcements, funding needs, job openings, new staff appointments, articles pertinent to the group's interests, and a myriad of other tidbits important to members. While the purpose of all newsletters is to disseminate information, the kind of information communicated should be determined by who receives the newsletter. When we started the Freedom Writer in 1984, our sole purpose was to alert citizens to the dangers posed by the emerging radical religious right. As we grew into a membership organization our function changed only slightly. In addition to news about the radical right, we now include practical information for activists, make available important books and tapes, and occasionally print organizational news for our members.