 He leads the ongoing California Demographic Futures research project at USC.Recent applications have focused on the upward mobility of immigrants to the US and Southern California, trajectories into homeownership in the United States, changing transportation behavior, education and labor force trends, and projections for the future of the California population.In 2000 he was a member of the Census Advisory Committee of Professional Associations (Population Association of America) for the United States Census Bureau and is the author of "Analysis with Local Census Data