The phrase "to increase the incidence" refers to taking actions or implementing measures that will result in a higher number of cases, instances, or occurrences of something. It can be used in various contexts such as healthcare, where it may mean increasing the prevalence of a disease through preventive measures; in economics, where it could imply raising the rate of inflation; and in environmental science, where it might signify an increase in pollution levels or deforestation. Overall, to "increase the incidence" means to cause something to become more common or widespread.