Description
a panel of 48 observations from 1970 to 1986
number of observations : 816
observation : regional
country : United States

A dataframe containing:
column A: observation
column B: state the state
column C: the year
column D: gross state products
column E: private capital stock
column F: public capital
column G: labor input measured by the employement in nonagricultural payrolls
column H: state unemployment rate