This paper documents the dynamic properties of national output, its components, and the current account for five OECD countries. There is strong evidence of conditional volatility for almost all time series as well as significant deviations from normality. The deviations are detected particularly in GDP, net exports, investment time series.
Valderrama, Diego. 2002. “Nonlinearities in International Business Cycles,” Federal Reserve Bank of San Francisco Working Paper 2002-23. Available at https://doi.org/10.24148/wp2002-23