Italian economist Vilfredo Pareto (1848–1923) observed that 80 per cent of the healthy pea pods he harvested came from just 20 per cent of the pea plants in his garden.
Italian economist Vilfredo Pareto (1848–1923) observed that 80 per cent of the healthy pea pods he harvested came from just 20 per cent of the pea plants in his garden.