"In determining domestic water prices, policy makers often need to use information about the demand side rather than only relying on information about the supply side. Household surveys have frequently been employed to collect demand-side information. This paper presents a multiple bounded...

Addis Ababa, Ethiopia, has experienced significant population growth and an increase in living standards for years, resulting in increased solid waste generation and solid waste management (SWM) challenges. Inadequate SWM in the city causes land, water, and air pollution as well as negative...