Coalgaspq Codebook

 

The data are in the following columns:

State 1-7 the state of the observation
coalp   the price of coal, 1993
coalq   the quantity of coal, 1993
gasp   the price of natural gas, 1993
gasq   the quantity of natural gas, 1993
pop   the population of the state (thousands)
income   median family income in the state ($)
cdd   cooling degree days (how hot the summer is)
hdd   heating degree days (how cold the winter is)
ctop5   dummy=1 if state is a top5 coal producer
cadj   dummy=1 if state is adjacent to top5 coal producer
gtop5   dummy=1 if state is a top5 gas producer
gadj   dummy=1 if state is adjacent to top5 gas producer

The following code fragment reads in the data if you put it in the
c:\temp\ directory:

SAS Code Fragment