Liquidity, Risk, and Return: Specifying an Objective Function for the Management of Foreign Reserves Staff Discussion Paper 2010-13 Yuliya Romanyuk An objective function is a key component of a strategic portfolio management model used to determine the optimal allocations of assets and, possibly, their associated liabilities over some investment horizon. Content Type(s): Staff research, Staff discussion papers Topic(s): Foreign reserves management JEL Code(s): G, G1, G11