SCENARIO 16-13 Given Below Is the Monthly Time Series Data for U.S.retail

question 33

Short Answer

SCENARIO 16-13
Given below is the monthly time series data for U.S.retail sales of building materials over a specific year.
The results of the linear trend,quadratic trend,exponential trend,first-order autoregressive,second-order autoregressive and third-order autoregressive model are presented below in which the coded month for the 1^st month is 0:
Linear trend model:

Quadratic trend model:
Third-order autoregressive::

Below is the residual plot of the various models:

-Referring to Scenario 16-13,what is your estimated annual compound growth rate using the exponential-trend model?

---

Definitions:

Marginal Cost

The financial impact of producing one more unit of a product or service.

Marginal Social Cost

The additional cost incurred by society as a whole due to the production of one more unit of a good or service.

Damage Cost

The monetary cost associated with the harm done to goods in an economy, which can result from disasters, accidents, or intentional acts.

Negative Externality

An adverse effect suffered by a third party as a result of an economic transaction in which they had no involvement.