Quantitative Evaluation of Nation Stability: An Empirical Study in the Period before/after the End of Cold War

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This study measured the nation stability of 97 countries in the world using both upper- and lower-bound data envelopment analyses (DEA), and presented a DEA/Malmquist Index (DEA/MI) methodology for viewing its shift in the period 1981-2004, i.e., for 24 years before/after the end of cold war (1989). We analyzed focusing on a unified country (Germany) and split countries (Soviet Union, Czechoslovakia and Yugoslavia). For a lot of successor countries emerged from the splits, we evaluated and ranked their stability in 2004.