The first way is to look at the data and the available scientific studies and carefully assess the results. This is how central bankers typically approach economic questions. The second way is to pack your bags, hop on an airplane, and see for your self how microcredit affects the lives of people in developing countries.
Figure 3  Similarly, the sectors that were more affected by the pandemic – like accommodation or arts and entertainment – received more loans than less affected sectors. Fiscal measures reﬂect the vulnerability of economies to COVID-19. Vulnerability can be measured by a relatively high share of employment in sectors like tourism or leisure activities.