Subject
Petroleum products
Prices
78
Petroleum industry and trade
45
History
13
Petroleum
13
Econometric models
11
Petroleum reserves
9
Economic aspects
8
Energy policy
6
Environmental aspects
6
Finance
6
Economic policy
5
Energy consumption
5
Analysis
4
Fiscal policy
4
Forecasting
4
Government policy
4
Refining
4
Economic conditions
3
Foreign relations
3
Political aspects
3
Balance of payments
2
Bioremediation
2
Civil war
2
Economic development
2
Economic history
2
Electric utilities
2
Energy development
2
Finance, Public
2
Financial crises
2
Foreign economic relations
2
Foreign exchange rates
2
Futures market
2
Gas industry
2
Interest rates
2
International finance
2
Monetary policy
2
Natural gas
2
Natural resources
2
Oil spills
2
Oil storage tanks
2
Petroleum chemicals
2
Power resources
2
Rates
2
Renewable energy sources
2
Revenue
2
Social aspects
2
Social conditions
2
Storage
2
Taxation
2
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