Along present article we have tried to highlights the main contributions of Lawrence R. Klein to applied economics trough his longer career, both as teacher and as researcher. Having in mind the diffi cult task that means to concentrate the huge amount achievements made by the cited author we...

Last decades qualitative variables have been introduced in the economic growth analysis. The improvement of statistical information has favored this task. Recently, “entrepreneurship” concept has been considered in this type of analysis. Entrepreneurship considers the capacity and ability to...