Public debt/Addendum

From Citizendium
< Public debt
Revision as of 17:49, 20 March 2009 by imported>Nick Gardner
Jump to navigation Jump to search
This article is developing and not approved.
Main Article
Discussion
Related Articles  [?]
Bibliography  [?]
External Links  [?]
Citable Version  [?]
Addendum [?]
 
This addendum is a continuation of the article Public debt.
ΔD = (D + F + Dr)/{Y(1 + r)} - D/Y

let 1/{Y(1 + g)} = A then:

= A(D + F + Dr) - D/Y
= A( D + F + Dr  - D/AY)
= A( D + F + Dr - D - Dg)

substituting for A:

= {F + D(r - g)}/{Y(1 + g)}

or, approximately

= {F + D(r - g)
= F/Y +(r - g)D/Y

putting F/Y = f  andD/Y = d:

= f + d(r - g)