Provides that candidates for state elective office meeting certain eligibility requirements, including collection of a specified number of $5.00 contributions from voters, may voluntarily receive public campaign funding from the Fair Political Practices Commission, in amounts varying by elective office and type of election. Increases income tax rate on corporations and financial institutions by 0.2 percent to fund program. Imposes new limits on campaign contributions to state-office candidates and campaign committees, and new restrictions on contributions and expenditures by lobbyists and corporations. Summary of estimate by Legislative Analyst and Director of Finance of fiscal impact on state and local governments: Increased revenues (prim...