other time series structures. The analysis is applied to OECD data on unemployment for the period 1975.1 to 1993.4, and it … is found that four diverse countries (Australia, Canada, Japan and USA) not only have common trends in their unemployment …

strong approximation theory of sample averages of serially dependent random vectors with dimensions growing with the sample …–Pissarides search and matching model for equilibrium unemployment, and shed new light on the unemployment volatility puzzle from an …