Panel data are a result of repeating observations of a group of units, e.g. households, firms, but also whole economies with some common characteristics as EU15, transition economies a . s. o. So, more details are available enabling to analyze a changing economic structure and its reasoning....

Investment expenditure relates to an evident optimization problem: to create an optimal capital stock which is a function of expected profits. According to the Tobin´s Q - theory, investment depends on the ratio Q of the market value of business capital assets to their replacement value. A...

Foreign direct investment (FDI) is an important phenomenon in international economic relations. Generally, FDI is studied from the point of view of capital and technology transfers to the recipient countries while respecting a basic fact that profit is the main investor's interest. In this paper...