Let me now move on to the necessary but not sufficient condition thing: When a company has a good strategy – even a great strategy – it can still fail. Yes, fail.

Hamdy A. Taha, Guy L. Curry, Classical Derivation of the Necessary and Sufficient Conditions for Optimal Linear Programs, Operations Research, Vol. 19, No. 4 (Jul. - Aug., 1971), pp. 1045-1050 Free ...

We investigate the property (𝑎𝑅) in connection with Weyl type theorems, and establish sufficient and necessary conditions for which property (𝑎𝑅) holds. We also study the stability of property ...

The preference for a high-fat diet (HFD) among multiple palatable diets has increased in the modern world, whereas carbohydrate craving is often induced by stressful life events and mood disturbances.

Over fifty-five years after independence, many African countries have still been debating how important democracy might be to Africa’s development. This article reviews some of the benefits and ...

At this point, while the procedural changes are intended to create the necessary conditions for more housing production, it’s not clear they are even going to accomplish that.