Abstract: Wave motion lies at the heart of many disciplines in the physical sciences and engineering. For example, problems and applications involving light, sound, heat, or fluid flow are all likely ...

This is a preview. Log in through your library . Journal Information Econometrica publishes original articles in all branches of economics - theoretical and empirical, abstract and applied, providing ...

An important international security question is whether nations in an anarchic competitive world system are more likely to ensure their security by pursuing policies of complete independence or of ...