An ECB survey found that the retailers review and change their prices most often, while consumer and business service firms adjust their pricing the least often. Firms in the manufacturing sector, meanwhile, have a price adjustment frequency somewhere in between the above sectors
Rodrik explained why good economists think in terms of models, and what are major differences between models and theory.
He also told us why macroeconomists' quest to find "the one true model" on the business cycle is probably misguided.