Format
A dataframe containing :
- state
- the state
- year
- the year
- pcap
- private capital stock
- hwy
- highway and streets
- water
- water and sewer facilities
- util
- other public buildings and structures
- pc
- public capital
- gsp
- gross state products
- emp
- labor input measured by the employement in non--agricultural payrolls
- unemp
- state unemployment rate
Source
Munnel, A. (1990) “Why has productivity growth declined? Productivity and public investment”, New England Economic Review, 3--22. Baltagi, B. H. and N. Pinnoi (1995) “Public capital stock and state productivity growth: further evidence”, Empirical Economics, 20, 351--359.