In his article, Hamilton (2017) conveyed a critique of the Hodrick-Prescott (HP) filter, arguing against its utilization due to several inherent issues. He emphasizes that the filter’s sensitivity to the smoothing parameter selection, its tendency to generate misleading cycles, and its failure to accurately represent the actual underlying trend are significant drawbacks. While I partiallyContinue reading “A Comment on Why You Should Never Use the Hodrick-Prescott Filter”
Tag Archives: time series
Commentary on Monetary policy is Weaker in Recessions
In their article, Tenreyro and Thwaites (2013) conduct research to explore the impact of monetary policy on real and nominal variables at various business cycle stages. They aim to determine whether the effects of monetary policy are symmetrical or asymmetrical throughout the business cycle and identify the sources of any asymmetry observed. In my view,Continue reading “Commentary on Monetary policy is Weaker in Recessions”
Revisiting Inflation Forecasts Using the ARMA
The autoregressive moving average (ARMA) is a common technique in time series analysis. In my view, a time series example that can be suitable with the ARMA model but need to be revisited is inflation. The model commonly used in inflation data modeling might associate with the relatedness of the variable with its past values.Continue reading “Revisiting Inflation Forecasts Using the ARMA”
A Comment on How Do We Know Climate Change is Real?
The earth has witnessed climate changes over time, but the current warming is occurring at an unprecedented pace compared to the last 10,000 years. The Intergovernmental Panel on Climate Change (IPCC) asserts that since the 1970s when systematic scientific assessments commenced, the impact of human activity on climate warming has transformed from a theoretical conceptContinue reading “A Comment on How Do We Know Climate Change is Real?”
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