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• Main Authors: Shu-chun Weng, 翁叔君
• Other Authors: 洪秀婉
• Format: Others
• Language: zh-TW
• Published: 2015
• Online Access: http://ndltd.ncl.edu.tw/handle/nhwtmt

碩士 === 國立中央大學 === 企業管理學系 === 103 === When all the way from the traditional market development to the electronic market, the electronics industry has expanded from the original tradition 3C to the concept of Internet of Things (IOT). In exploring these indespensable daily life products, whether we buy into the product, its price and quality are able to show the same percentage rise or similar products exist in price dispersion. Past studies have shown that because of information asymmetry, will lead to the expansion of price dispersion.But in this era of modern flow of information, whether there are the situation does not match the price and quality of our unpredictable, which we want to explore in this study. Our brand for the unit, using the US Consumer Reports in the data, evaluate brands in product categories belong efficient or inefficient. Using Data Envelopment Analysis(DEA), Metafrointer theory and Window theory to discuss on the behalf of 3C products, whether the degree of efficiency of the brand, and the degree of technological progress in five years. The results show that the brand is good efficiency and technical performance of the brand similarity gap ratio is extremely high, and the description of each product category performed better brand; TV product categories gap ratio increased year by year, on behalf of the brand technology increased year by year, the group gradually catch up the overall efficiency; each segment trend similar to the overall trend, but outperformed the sector within the brands are different. After this study mentioned limitations and future research directions, and consumers and manufacturers to make further recommendations.