Metody quasi-eksperymentalne i ich zastosowanie w badaniu wpływu historii na współczesność
Quasi-Experimental Methods and Their Use in Analysing the Influence of History on Contemporary Economies

Summary/Abstract: The aim of this article is to discuss the ways of empirical verification of the impact of a distant history on the contemporary differences of socioeconomic indicators in various regions and states. The methods used in such research are similar to those employed in quasi-experimental research, or natural experiments. They consist in comparing the group covered by the analysed program or intervention with properly selected control group. The only factor differentiating both groups is their participation or non-participation in the evaluated program, or their localization on opposite sides of historical borders. The article presents quasi-experimental methods, including the use of instrumental variables, matching similar units, and discontinuous regression. The author is assessing the virtues and drawbacks of these methods. The last part of the article includes a review of empirical studies using the discussed methods in analysing the impact of history on contemporary economies.

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