Abstract
This note tours the Narayan (2020a: Has COVID-19 Changed Exchange Rate Resistance to Shocks?) approach to testing for resistance of a time-series variable to shocks. We take a step-by-step account of this approach and demonstrate its applicability with respect to the crude oil price. • The approach entails steps (1) to (8), as outline in the paper. • Future researchers will find this method useful in evaluating the resistance of variables to not only COVID-19 shocks but to any shock which has had a sufficiently long life.
| Original language | English |
|---|---|
| Article number | 101194 |
| Number of pages | 5 |
| Journal | MethodsX |
| Volume | 8 |
| DOIs | |
| Publication status | Published - Jan 2021 |
| Externally published | Yes |
Keywords
- Coronavirus
- COVID-19
- Crude oil prices
- Exchange rates
- Narayan–Popp (2010) test
- Narayan–Popp test
- Persistency
- Shock resistance
- Time series
- Unit roots
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