Materials include reports on gambling (dating from 1950 to 2013) written or compiled by Eugene Martin Christiansen. The reports analyze the economic effects of gambling, the feasibility of building or relocating gambling establishments, legal and legislative restrictions on gaming, the financial risk of investing in gaming establishments, the social and cultural impacts of gambling, problem gambling, and the economic future of gambling activities such as horse racing. The reports were written by Christiansen, Christiansen Capital Advisors (previously known as Christiansen/Cummings Associates), financial institutions, and other academics and consultants.