资讯

This is a preview. Log in through your library . Abstract This paper reports on some mathematical and analytical properties of a static nonlinear model of a national economy or, more generally, of a ...
This is a preview. Log in through your library . Abstract The existence of a positive balanced growth solution for the discrete dynamic input-output (IO) model is studied. Previous work in the area ...
Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Michael Boyle is an experienced financial ...