From Medium August 08, 2019 Steven William Zwick Harris Public Policy Professor Michael Greenstone Harris Public Policy Professor Michael Greenstone and Assistant Professor Steve Cicala were featured in Medium, discussing how Milton Friedman would have recognized the externalities associated with pollution and support a carbon tax, in keeping with his views and actions. Harris Public Policy Assistant Professor Steve Cicala The question of carbon pricing will remain relevant until it is adopted. "Those costs [of carbon] are real," Cicala said. "And they're not being reflected in the price I pay when I fill my gas tank or turn on the light." "It's kind of a fiction to think that markets exist on their own," said Greenstone. "They exist because government creates ground rules for them to operate in." Full coverage available at Medium. Upcoming Events More events Harris Credential Programs: Ask Admissions Mon., January 19, 2026 | 7:00 AM Harris Part-Time and Credential Programs Information Session Wed., January 21, 2026 | 12:00 PM Harris Campus Visit Thu., January 22, 2026 | 9:30 AM 1307 E 60th St Chicago, IL 60637 United States