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Title: Is global warming (time) reversible? Authors:  Alain Hecq - Maastricht University (Netherlands) [presenting]
Francesco Giancaterini - Maastricht University (Italy)
Claudio Morana - Universita di Milano Bicocca (Italy)
Abstract: Two new tests are proposed for time reversibility, exploiting the properties of mixed causal and noncausal models. Monte Carlo experiments show that they perform accurately in small samples, exhibiting a strong ability to detect time reversibility. Furthermore, the aim is to investigate whether time reversibility is a characteristic feature of the process of global warming. Using the aforementioned tests, time reversibility is tested on different climate time series: stratospheric aerosols from volcanic activity, global temperatures, temperature anomalies.