Office of Tax Policy Research Website"The Office of Tax Policy Research (OTPR), was established in 1987 as a research office of the Stephen M. Ross School of Business at the University of Michigan. OTPR supports and disseminates state-of-the-art academic research on all aspects of the tax system, with the goal of informing discussion about the future course of policy. Our research spans both national and international audiences through numerous means, including funding faculty and student projects, hosting conferences, sponsoring visiting scholars, disseminating publications, and advising doctoral students." (OTPR website)