Here are some of the articles which caught the attention of Senator Mike Gravel and other supporters of the effort to introduce a national initiative process.
Prospects For Reforming The Initiative Process, by Elizabeth Gerber, June 6, 2000. A paper presented at the National Direct Democracy Conference, University of Virginia Center for Government Studies
How Interest Groups Use the Initiative Process in California, by Elizabeth Gerber, September, 1999. A research brief for The Public Policy Institute Of California
I & R in Oregon: Lessons Learned In The Making, by Dave Parrish, July, 1997. A recent immigrant to Oregon assesses the implementation of "Initiative and Referendum" in that state.