BowlerShaunDonovanToddHappTrudi. 1991. Ballot propositions and information costs: Direct democracy and the fatigued voter. Western Political Quarterly54, no. 2: 559–68.
2.
CroninThomas. 1988. Direct democracy. Cambridge: Harvard University Press.
3.
DownsAnthony. 1957. An economic theory of democracy. New York: Harper and Row.
4.
FeeneyPhillipDuboisFloyd. 1998. Lawmaking by initiative: Issues, options and comparisons. New York: Agathon Press.
5.
GarrettElizabethGerberElisabeth. 2001. Money in the initiative and referendum process: Evidence of its effects and prospects for reform. In The battle over citizen lawmaking, edited byWatersDane. Durham, NC: Carolina Academic Press.
6.
GerberElisabeth. 1999. The populist paradox. New Jersey: Princton University Press.
7.
MaglebyDavid. 1984. Direct legislation. Baltimore: Johns Hopkins University Press.
8.
SmithDaniel. 2001. Special interests and direct democracy: An historical glance. In The battle over citizen lawmaking, edited byWatersD.. Durham, NC: Carolina Academic Press.
9.
SouthwellPriscillaPaasoPamela. 2002. The relationship between voter turnout and ballot measures. Journal of Political and Military Sociology29, no. 2: 275–81.
10.
State of California. various years. Statement of votes. Sacramento.
11.
State of Oregon. various years. Oregon blue book: Oregon election history. http://wwwbluebook.state.or.us/state/elections/elections06.htm.
12.
StimsonJames. 1985. Regression in space and time: A statistical essay. American Journal of Political Science29, no. 4: 914–47.
13.
TolbertCaroline. 2002. Public policy and direct democracy in the twentieth century: The more things change, the more they stay the same. In The battle over citizen lawmaking, edited byWatersDane. Durham, NC: Carolina Academic Press.
14.
WatersDane. 1998. A century later—The experiment with citizen-initiated legislation continues. In America at the polls 1998. Storrs, CT: Roper Center Publications.
