The purpose of this work is to provide a critical presentation and some extensions of two perspectives of informational efficiency: On the one hand the neoclassical perspective or "arithmomorphic approach" explains efficiency in terms of a concept mainly based on an explicit economic theory. On...

The world of oil in the 1950s and 1960s -- Shortages, forecasts, prevention : supplying the Western world with oil -- The global communication of the "Arab oil weapon" -- The politics of sovereignty in the energy crisis : the United States -- West Germany within the world of oil -- Oil...

Accurate measurement of bank risk is a matter of considerable importance for bank regulation and supervision. Current practices in most countries emphasize reliance on financial statement data for assessing banks’ risk. However, the possibility of increased reliance on market-based risk...