The treasurer of a multi-national corporation can hedge to protect his corporation against an impending currency devaluation or revaluation. He can cover a future period, \tau , now, without covering any intervening periods, by selling the suspect currency forward for \tau periods and buying it...

Intensified internal social needs and changed expectations of the role of government obligate governments everywhere today to accept responsibility for an increasing number of economic and social objectives. National economic goals are defined and policies devised to further these goals. As a...