The Fisher effect can be written for the United States as:

$A*i$$$=$$$+E($$$)+$$$E($$$)$

B$.$$$=i$$$+E($$$)+i$$$E($$$)$

C$.q=\frac{1+{}_S}{(1+e)(1+{}_E)}$

D$.\frac{F(\frac{S}{})}{S(\frac{S}{})}=\frac{1+i_S}{1+i_{}}$