| Summary: | 碩士 === 國立臺灣海洋大學 === 航運管理學系 === 107 === Electrical machinery industry, which is mainly composed of small and medium business, is the backstage driving force to upgrade industries. It created many job opportunities, made great contribution to stabilize labor market and promoted economic growth.
In the current situation of limited government resources and fierce competition in the international market, the operation of the enterprise is becoming more and more difficult. It is necessary to use resources more efficiently, improve the high-tech content, high-customization and integration of the entire line of equipment, and also require the government's industrial policy. The combination of relevant factors such as resource supply and professional talent cultivation will enhance the market and business opportunities, and it is also an important key to attracting customers.
The CCR and BCC models of Data Envelopment Analysis (DEA) were adopted in this study to evaluate operational efficiency of year 2017 of 25 listed electrical machinery companies in Taiwan. The input variables are total assets, operating cost, operating expense, and operating income, operating net profit are the output factors.
According to this study, there are 12 companies in increasing returns to scale, which could increase scale to obtain the efficiency. On the contrary, 5 companies were in decreasing return to scale, they could decrease scale to improve efficiency. 8 companies which operated under constant returns to scale were relatively efficient.
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