Managerial Economics 13th Edition by James McGuigan,Charles Moyer,Frederick Harris

Exercise 8

Estimate the double-log (log linear) time trend model for log cruise ship arrivals against log time. Estimate a linear time trend model of cruise ship arrivals against time. Calculate the root mean square error between the predicted and actual value of cruise ship arrivals. Is the root mean square error greater for the double log time trend model or for the linear time trend model
SKAGWAY VISITOR ARRIVAL STATISTICS
Data are available as an Excel file on the book's Web site.
Source: The Skagway News, November 16, 1999.