The oil sectors in the North African countries of Algeria, Libya, Egypt and Sudan have witnessed major transformations in the past decade or so. In Algeria, government reforms in the mid 1980s resulted in the entry of a wide range foreign oil companies to an oil sector previously dominated by...

The uncertainty that surrounds oil and gas exploration environments call for an examination at different angles. In terms of robustness, the purpose of this paper is to focus on three performance measurements: the amount of exploration investments, the growth rate of exploration investments, and...