Author(s): Efdal POLAT
In this study, effectiveness of public investments in the NUTS-2 Subregions of Turkey has been examined. The outputoriented BCC model, which is a type of data envelopment analysis methodology, has been utilized in the study. Furthermore, the CRR model’s findings have been compared with the BCC model’s. The study covers the years 2009 to 2011. The findings obtained from the study have been evaluated on a yearly basis. The CRR model for the year 2009 shows that while 9 of 26 regions used public investments efficiently, 17 regions do not seem to have done so. According to output-oriented BCC model, in 2009, the values from 16 regions out of 26 appear effective while those from 10 regions do not. According to the output- oriented CCR model for the year 2010, the values from 11 of 26 regions show up effective while those from 15 do not. Thus, in 2010 compared to 2009, there was an increase in the number of effective regions according to CCR model. In 2010, according to the output-oriented BCC model, the values of 17 regions are effective while those of 9 regions are not. In 2011, according to the CCR model, the scores of 12 regions are effective while those of 14 regions are not. Finally, BCC model for the year 2011 demonstrates that while 18 regions present effective values, the remaning 8 do not.
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