Ruggiero J (2004). “Performance Evaluation When Non-Discretionary Factors Correlate with Technical Efficiency.” EJOR 159(1): 250-257.

Ruggiero J (2004). “Performance Evaluation When Non-Discretionary Factors Correlate with Technical Efficiency.” EJOR 159(1): 250-257.

Ruggiero J (2005). “Impact Assessment of Input Omission on DEA.” Int J Info Tech Decis 4(3): 359-368.

Ruggiero J (2005). “Impact Assessment of Input Omission on DEA.” Int J Info Tech Decis 4(3): 359-368.

Ruggiero J (2006). “Measurement Error, Education Production and Data Envelopment Analysis.” Economics of Education Review 25(3): 327-333.

Ruggiero J (2006). “Measurement Error, Education Production and Data Envelopment Analysis.” Economics of Education Review 25(3): 327-333.

Ruey Kei C, SCL Koh and A Gunasekaran (2006). “An Empirical Analysis of Business Efficiency from the Implementation of Enterprise Information System.” Int J Business Information Systems 1(4): 387-407.

Ruey Kei C, SCL Koh and A Gunasekaran (2006). “An Empirical Analysis of Business Efficiency from the Implementation of Enterprise Information System.” Int J Business Information Systems 1(4): 387-407.

Ruggiero J (1996). “Efficiency of Educational Production: An Analysis of New York School Districts.” Review of Economics and Statistics 78(3): 499-509.

Ruggiero J (1996). “Efficiency of Educational Production: An Analysis of New York School Districts.” Review of Economics and Statistics 78(3): 499-509.

Ruggiero J (1996). “Measuring Technical Inefficiency in the Public Sector: An Analysis of Educational Production.” Review of Economics and Statistics 78(3): 499-509.

Ruggiero J (1996). “Measuring Technical Inefficiency in the Public Sector: An Analysis of Educational Production.” Review of Economics and Statistics 78(3): 499-509.

Ruggiero J (1996). “On the Measurement of Technical Efficiency in the Public Sector.” EJOR 90(3): 553-565.

Ruggiero J (1996). “On the Measurement of Technical Efficiency in the Public Sector.” EJOR 90(3): 553-565.

Ruggiero J (1998). “New Approach for Technical Efficiency Estimation in Multiple Output Production.” EJOR 111(2): 369-380.

Ruggiero J (1998). “New Approach for Technical Efficiency Estimation in Multiple Output Production.” EJOR 111(2): 369-380.

Ruggiero J (1998). “Non-Discretionary Inputs in Data Envelopment Analysis.” EJOR 111(3): 461-469.

Ruggiero J (1998). “Non-Discretionary Inputs in Data Envelopment Analysis.” EJOR 111(3): 461-469.

Ruggiero J (1999). “Efficiency Estimation and Error Decomposition in the Stochastic Frontier Model: A Monte Carlo Analysis.” EJOR 115(3): 555-563.

Ruggiero J (1999). “Efficiency Estimation and Error Decomposition in the Stochastic Frontier Model: A Monte Carlo Analysis.” EJOR 115(3): 555-563.