Europe has became the new epicentre of the COVID-19 pandemic, according to the WHO on 13th March 2020. Sums and ratios of death and confirmed cases were reported daily, however, such statistics vary significantly by country and it is therefore challenging to understand and measure the risk and...

I propose a generalized method of moments type procedure to estimate parametric binary choice models when the researcher only observes degenerate pure choices-based or presence-only data and has some information about the distribution of the covariates. This auxiliary information comes in the...