The notion that many macroeconomic variables fluctuate asymmetrically over time is not new to economic theory but it is relatively new to empirical economics. The most common empirical representations of aggregate time series are usually smooth and sluggish. This study employs the test for...

Using new time-series data for the size of the Canadian underground economy, the relationship between unreported and measured GDP in that country is examined. Granger causality tests are conducted, with a proper allowance for the non-stationarity of the data. It is found that there is clear...