Israeli industrialists and businessmen are cautiously optimistic that the economic factors that prompted Egypt's Anwar Sadat and the Palestine Liberation Organization (PLO) to establish relations with Israel will influence Middle Eastern economic policy. As an entity, Middle Eastern countries have disregarded economic factors in their foreign policies and their relations with Israel except when economic necessity forced them to change. Although most Arab states have not indicated that they will officially end the boycott on Israel, some trade, tourism and and economic development plans are