There have been impressive growths in applications of Data Envelopment Analysis (DEA) to areas such as accounting and finance in recent years. This special issue is specifically designed to encourage innovative applications of DEA to accounting and finance. The Bankruptcy Risk, Productivity and Firm Strategy, by Bryan et al. examines the relationship between productivity, firm strategy, and bankruptcy risk. The Taiwan Second Financial Restructuring and Commercial Bank Productivity Growth: M&As Impact, by Hsiao and Lin assesses the impact of the M&A policy of Second Financial Restructuring (SFR) on the productivity growth of commercial banks in Taiwan. The Ownership Structure and Efficiency in Taiwanese Electronics Firms, by Yang et al. investigates the effect of the separation of control and ownership on the efficiency performance of Taiwanese electronics firms. The Impact of Nursing Quality on Nursing Home Efficiency, by Chang and Cheng evaluates the impact of nursing quality on Taiwan nursing homes, and differences of efficiency among different management types of nursing homes.