University Video Description from UCLA: Lee E. Ohanian, a UCLA professor of economics and authority on financial crises, presented the. Jan. 8, 2010, Jacob Marschak Interdisciplinary Colloquium On Mathematics in the Behavorial Sciences at UCLA. Ohanian detailed his research on policies by presidents Herbert Hoover and Franklin D. Roosevelt that he says catapulted a bad recession into the Great Depression and stalled recovery for years. In both cases, attempts to restrict competition led to the disastrous economic outcomes.