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Integrating the Network Data Envelopment Analysis and the Balanced Scorecard Approaches for Enhanced Performance Assessment: A Case Study of Seoul Metropolitan Police (SMP)

This study aims to develop an improved performance measurement system for police agencies by combining the Balanced Scorecard (BSC) and the Network Data Envelopment Analysis (NDEA). The BSC provides the conceptual framework, while the NDEA provides the analytical tool. This study attempts to test practical relevance of the system and explore various advantages of it by using a case study of 31 police stations under the Seoul Metropolitan Police (SMP). The BSC and DEA are complementary to each other, so the combined use of them may provide more useful information for performance management and improvement. The NDEA model presents the overall performance as well as the network performance from the four key perspectives such as financial, learning and growth, internal business process, and customer perspective. The NDEA also presents the practical ways in which inefficient police stations become more efficient.