(8.) Neely (2001) states that "[t]he crucial distinction between sterilized and unsterilized intervention
is that the former constitutes a potentially useful independent policy tool while the latter is simply another way of conducting monetary policy."
The last official international investigation led by Philipe Jurgensen for the G7 in 1982 concluded that only unsterilized intervention
was of much use.
The distinction between sterilized and unsterilized intervention
, though much worried over by aficionados, becomes just a matter of semantics when money creation is great.
This provides evidence for successful intervention in Japan's liquidity trap where the distinction between sterilized and unsterilized intervention
With unsterilized intervention
, for example, the money supply would grow more rapidly, ostensibly stimulate economic activity and act as either a substitute or a complement for fiscal policy.
For now, partially unsterilized intervention
is perceived as a means of expanding the monetary base of Japan, a basic element of monetary policy.
When the policy authority employs domestic credit changes to implement unsterilized intervention
The former type is called unsterilized intervention
while the latter is referred to as sterilized intervention.
"There is no point in talking about sterilized and unsterilized intervention
. The BOJ is providing ample funds for the permeation of its zero-rate policy, and it is doing more than unsterilized intervention
," said Izumi Yamashita, head of the BOJ's Financial Markets Department.
(1.) Unsterilized intervention
is equivalent to domestic monetary policy and therefore is often implicitly excluded from discussions of the efficacy of intervention.
Because an unsterilized intervention
involves leaving the funds in the market unabsorbed after a dollar-buying operation, it normally creates greater liquidity in the money market, and thus in theory helps keep the yen weak.
One Policy Board member said unsterilized intervention
is one option as long as the market considers it effective.