Instytucjonalizm - ewolucja i znaczenie

The institutional trend includes veblenism, postveblenism, neoinstitutionalism and new institutional economics ~ all with reference to another theory are very critical to mainstream economics. That contribute new questions, important was change of assumption - especially of human rationality. It should be emphasized great importance for postveblenism theory (among the another theory - empirical researches). Postveblenism representatives played a part of an economic practice in the United States of America. Neoinstitutionalism support to increase nation role, did not have more importance (maybe quasi - institutionalists). 'lhe whole idea was concentrated more on macroeconomic. The new institutional economics refers to microeconomic and postveblenism. Main problems its: transaction costs, institution, transactions. It seems, that it recovers some influence in the science and importance for a practice.