We propose a new class of models specifi cally tailored for spatio-temporal data analysis. To this end, we generalize the spatial autoregressive model with autoregressive and heteroskedastic disturbances, i.e. SARAR(1,1), by exploiting the recent advancements in Score Driven (SD) models...

Using data for most of the year 2020, we analysed the impact of COVID-19 deaths on a given country regarding the financial market returns of neighbouring countries. Our empirical evidence show that in the first weeks of the COVID-19 outbreak, until mid-March 2020, the spatial effect of COVID-19...