High energy costs--uneven, unfair, unavoidable? /
Indicators of Crude Oil Production Costs : The Gulf Versus Non-OPEC Surces /
Did external barriers cause the marginalization of Sub-Saharan Africa in world trade? /
Costs and margins in banking : an international survey /
Projected costs of generating electricity.
The economics of crude petroleum production. /
The economic choice between hydroelectric and thermal power developments, with a note on joint costs in multipurpose projects