Exercise $18-23$ Static

Treasury securities are bonds issued by the U$.$S$.$ government. Consider a portion of quarterly data

on treasury securities$,$ measured in millions of U$.$S$.$ dollars.

DictureClick here for the Excel Data File

a$-1.$ Estimate the exponential trend model with seasonal dummy variables. Report the coefficient

for trend $t.($Round your answers to $3$ decimal places.$)$

a$-2.$ Use the estimated model to forecast to make a forecast for the fourth quarter of $2018.($Do not

round coefficient estimates. Round final answer to the nearest whole number.$)$

Forecast for the fourth quarter of $2018$: The answer is not $6$ or $6\mathrm{.}18.$ This is the fourth time this question has been answered.