In this paper we present various techniques to estimate Sri Lanka’s potential output and output gap, including statistical and model-based approaches. Compared to conventional statistical filters that rely exclusively on information in a single series, the model-based approaches allow...

The permanent income/transitory income distinction from consumption functions can be applied to cost functions. Transitory deviations of actual output from potential output, i.e. variations in capacity utilization, are relevant for the pattern of U-shaped average costs found in econometric...