Ex-ante
The term ex-ante (sometimes written ex ante or exante) is a phrase meaning "before the event".Ex-ante is used most commonly in the commercial world, where results of a particular action, or series of actions, are forecast in advance (or intended). The opposite of ex-ante is ex-post (actual) (or ex post).
Examples:
In the financial world, the ex-ante return is the expected return of an investment portfolio.
In the recruitment industry, ex-ante is often used when forecasting resource requirements on large future projects.
The ex-ante (and ex-post) reasoning in economic topics was introduced
mainly by Swedish economist Gunnar Myrdal in his 1927–39 work on monetary theory, who
described it in this way:
Focusing attention on the relation between saving and investment, Myrdal argued
that one may without any contradiction consider that, as they are made by separate
agents, ex ante saving and investment decisions are not at parity in general while ex post saving and investment are recorded in bookkeeping balance exactly: