The importance of inventory investment in the business cycle is well known. Its role in the seasonal cycle is less well known. We examine the variation of inventory investment and its comovement with output over the seasonal and business cycles. We measure the deterministic and stochastic...

In this paper, an Unobserved Components Model is employed to decompose German real GDP into the trend, cycle and seasonal components and the working day effect. The most important findings are: 1) The growth rate of potential output declined from 4.2 per cent in the sixties to 1.4 per cent at...

With a second year in a row of unusually weak first-quarter growth, some analysts have argued that there may be residual seasonality in the GDP data, that is, a predictable seasonal pattern remains in the published data