Pham, Binh Thai; Sala, Hector - 2019
phases (Gechert et al., 2019); (ii) Okun's coefficient is time varying and may be unstable. The intertwined dynamic behavior … Unites States of America (USA). We confirm the heterogeneity of Okun's coefficient across country, and its time … periods of economic turmoil. Okun's coefficient is most volatile in Spain and most stable in Sweden and Japan, with France, UK …