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This paper studies the dynamics of the bank efficiency in Bulgaria in the years 1923 and 1928. In the course of research several interdependencies were detected, related mainly to the reaction of different types of banks to the financial crisis and the financial stabilization. Official bank balance sheets were used as well as the profit and loss statements of 50 Bulgarian credit institutions. After their classification into subgroups different variations of DEA (data envelopment analysis), in particular the intermediation approach, were applied to the banks’ financial positions. The DEA overcomes several deficiencies in the traditional accounting measurement of bank efficiency, which has made it very popular in latest literature. To our knowledge this method has not been applied so far to historical data. |
