* MINIMUM WAGE -- Marianne Page, an assistant professor of economics at UC Davis, can comment on the effects of the minimum wage on low-income families. She and Joanne Spetz of the Public Policy Institute of California have done a state-by-state study of the correlation between minimum wage rates and the proportion of single mothers participating in welfare. Contact: Marianne Page, Economics, (530) 752-1551, mepage@ucdavis.edu.