The authors of an International Monetary Fund working paper state that "consumers lose more from a tariff than producers gain, so there is a 'deadweight loss'." Source: Davide Furceri, Swarnali A. Hannan, Jonathan D. Ostry, and Andrew K. Rose, "Macroeconomic Consequences of Tariffs," International Monetary Fund Working Paper, October 2018. Part 2 Briefly explain what the authors mean by "deadweight loss