Topics
Access roads
4
Air travel
2
Appropriations and expenditures
3
Bus travel
1
Business enterprises
4
Construction projects
2
Cost effectiveness
1
Dams
21
Design and construction
2
Economic aspects
Economic conditions
13
Economic forecasting
4
Economic history
2
Economic surveys
4
Economics
3
Electric power
5
Electric power consumption
3
Electric power production
1
Estimates
1
Expenditures, Public
1
Finance
1
Forecasting
8
Highway planning
1
Household surveys
1
Households
1
Human services
2
Hydroelectric power plants
31
Mathematical models
2
Planning
3
Population forecasting
4
Power utilization
3
Prices
3
Public goods
2
Regional economics
2
Roads
1
Route surveying
1
Social aspects
13
Social conditions
6
Sociological aspects
2
Transportation
6