President Mahmoud Abbas of the Palestinian Authority intends to appoint Muhammad Mustafa, a close economic adviser, as prime minister in the coming days, according to two Palestinian officials, a European Union diplomat and a fourth person with knowledge of the matter.
If Mr. Abbas officially appoints Mr. Mustafa, it would amount to a rejection of international efforts to encourage the octogenarian Palestinian leader to empower an independent prime minister who can revitalize the sclerotic…