To learn about Integer DEA (IDEA) please read the following articles (the list will be constantly updated):
- Kuosmanen, T., & Kazemi Matin, R. 2009. Theory of integer-valued data envelopment analysis. European Journal of Operational Research 192, 658–667.
- Kazemi Matin, R., & Kuosmanen, T. 2009. Theory of integer-valued data envelopment analysis under alternative returns to scale axioms. Omega 37, 988–995.
- Kuosmanen, T., Keshvari, A., & Kazemi Matin, R. 2014. Discrete and integer valued inputs and outputs in data envelopment analysis.
Source code for estimating the Integer DEA efficiency can be found here. Please report bugs to the email addresses mentiond inside each file.