 He appointed a committee of experts, a Planning Committee, to explore how the economy of Mandatory Palestine could support a million new Jewish Immigrants.The Planning Committee ("ועדת התיכון", also known as "The Committee of the Four"), was established in order to develop a blueprint and decide its guiding principles, and to create sub-committees of experts for various sectors, and supervise their work.Ben-Gurion believed that by choosing the members of the committee, he would be able to garner support both for the planning arrangements and their political aspects.