Panel data are specific data where cases are observed at two or more time periods. This approach brings many advantages: larger dataset, decreasing collinearity between exogenous variables and using advanced econometric models. The panel data models were applied to data from the Household Budget...

The essay deals with one of the basic type of economic policy - the law of competition. Overseas foundations of antitrust law from the end of 19th century opened the doors for expansion such a economic policy not only in USA, also in Europe. The view on the necessity competition policy has...