Dataset:  cigad.dat

Source: L.G. Telser (1962). "Advertising and Cigarettes," Journal of
Political Economy, Vol. 70, #5, pp. 471-499.

Description: Market shares, relative advertising Expenditures,
and product mix for 6 tobacco firms 1945-1960.

Model fit for each firm:  MS(t) = MS(t-1) + Ad(t) + Mix(t)
fit for years 1946-1959.
Firms:
1=R.J. Reynolds
2=American Tobacco
3=Liggett & Myers
4=P. Lorillard
5=Phillip Morris
6=Brown & Williamson


Variables/Columns
Year  5-8
Firm ID   16
Product Mix Index   21-24
Market Share (proportion)   28-32
Relative ad Expenditure  36-40  /* No data for 1960  */
Lagged Market Share  44-48
1946-1956 Dummy   56
RJR Dummy   64
American Tobacco Dummy   72
L&M Dummy     80
Lorillard Dummy    88
Phillip Morris Dummy   96