data(USeconomic)
M1
, GNP
, rs
, and
rl
and the joint series USeconomic
containing the
logarithm of M1
, the logarithm of GNP
, rs
, and
rl
.M1
and GNP in
1982 Dollars; discount rate on 91-Day treasury bills rs
and
yield on long-term treasury bonds rl
.