123, p. 399–413. 6 F. E. Kydland and E. C. Prescott (1977), Rules Rather than Discretion: The Inconsistency of Optimal Plans,  Journal of Political Economy, Vol. 85, No 3, pp. 473–492. 7 N. G. Mankiw and R. Reis (2017), Friedman’s Presidential Address in the Evolution of Macroeconomic Thought,  NBER Working Paper No 24043.
We are offering a buy-back option to make the investment as liquid as possible; and we are proposing custodial services in our vault to mitigate the risk of loss through theft.