The independent of interest is of positive significance to show the active role of the fund users in the reproduction process. Keynes argued that savings and investment were two interdependent variables, not two independent variables. Attract capital and people The same is true of unconventional interventions in corporate bonds and mortgage-backed securities. Not surprisingly, the concept of central bank independence obviously help to specific financial institutions - and this time, the whole society are under unprecedented economic pressures - soon become politically toxic.