Adanech Abiebie, mayor of Addis Abeba (Photo: Addis Abeba Communications) Addis Abeba – Mayor Adanech Abiebie announced that Addis Abeba’s revenue has increased eightfold over the past seven years, a growth she attributes to efforts made “without any tax rate increases.” Addressing members of the Addis Abeba City Council during its second regular session of the …