Deadlier Than the Male intrigue when he comes to visit. The title is a reference to the 1911 Rudyard Kipling poem "The Female of the Species," which includes the line, "The female of the species must be deadlier than the male", and also refers to Sapper's earlier Drummond book, "The Female of the Species". The working title of the film was "The Female of the Species". "Deadlier Than the Male", the song featured in the film`s opening credit sequence, was performed by the Walker Brothers. Filmed in Technicolor and Techniscope, portions of the film were shot in Lerici, La Spezia, Liguria, Italy. A sequel,
Female foeticide in India as non-excludable and non-rival, but India lacks a system of public goods and has many problems with access to clean water or roads. Additionally, many of the "public goods" exclude females because families choose to prioritize their male children's access to those resources. In India, previous research has found that women leaders' invest in public goods that are more in line with female preferences, in particular water infrastructure, which leads to a reduction in time spent on domestic chores by adolescent girls. This in turn results in more time for young girls to gain an education and increases their value