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"ABSTRAKTulisan ini menganilis efisiensi dan perubahan produktivitas dari hotel-hotel berbintang di Bali selama tahun 2004-2010 dengan menggunakan metode data envelopment analysis (DEA) dan Malmquist Total factor Productivity. Pendekatan dua-tahap (two-stage) juga digunakan untuk melihat apakah ada pengaruh external (environmental variables) terhadap efisiensi hotel. Hasil dari studi ini mendapatkan bahwa terjadi peningkatan terhadap efisiensi dari hotel berbintang di Bali, yaitu dari 64% pada tahun 2004 menjadi 75% pada tahun 2010. Efisiensi ini utamanya digerakkan oleh pure technical efficiency dari pada skala efisiensi. Juga didapatkan bahwa perubahan total factor produktivitas hotel berbintang di Bali sebesar 7.9% per tahun, yang disebabkan oleh naiknya jumlah kunjungan wisatawan yang cukup tajam beberapa tahun setelah dua kali serangan bom oleh teroris di Pulau Bali.

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ABSTRACTThis paper analyzes efficiency and productivity change of Balinese star-rated hotels during 2004-2010, by employing data envelopment analysis (DEA) and a Malmquist total factor productivity index. A two-stage approach is also employed to see whether environmental variables influenced hotel efficiency. It is found that Balinese hotels technical efficiency level has increased from 64% in 2004 to 75% in 2010. The hotels technical efficiency was driven mainly by pure technical efficiency rather than scale efficiency. It is also found that total productivity change amounted to 7.9% annually, which was mainly due to the numbers of tourist nights increasingly sharply a couple of years after the detrimental effects of the two terrorist bomb attacks on the island of Bali."

"In Risk and portfolio analysis the authors present sound principles and useful methods for making investment and risk management decisions in the presence of hedgeable and non-hedgeable risks using the simplest possible principles, methods, and models that still capture the essential features of the real-world problems. They use rigorous, yet elementary mathematics, avoiding technically advanced approaches which have no clear methodological purpose and are practically irrelevant. The material progresses systematically and topics such as the pricing and hedging of derivative contracts, investment and hedging principles from portfolio theory, and risk measurement and multivariate models from risk management are covered appropriately. The theory is combined with numerous real-world examples that illustrate how the principles, methods, and models can be combined to approach concrete problems and to draw useful conclusions. Exercises are included at the end of the chapters to help reinforce the text and provide insight. "

"As one of the biggest medicines market in the South East Asia, the pharmaceutical industry inIndonesia has a huge potential market. However, the majority supply of raw materials has been imported.Besides, regulations of the Health Ministry and the Trade Ministry have still hampered mostplayers in Indonesia pharmaceutical industry. Therefore, this study used Data Envelopment Analysis(DEA) models to analyze efficiency and productivity change in the Indonesian pharmaceutical industrybetween 2006 and 2011, listed in the Indonesia Stock Exchange and also supported by applyingefficiency financial ratio. This study finds that the decision for the most relatively efficient companyis different using DEA compared to efficiency financial ratios, yet DEA has better measurement ofefficiency. It is proven by one of State-owned Enterprises has been evaluated underperformed by thefinancial ratio analysis, unexpectedly is efficient using the DEA approach. This study has also proposedand tested a hypothesis on the average efficiency to check if the domestic and foreign pharmaceuticalcompanies differ in their efficiency but the result implies that there is no significant statisticaldifference among them. This study indicates that firms having dominant contribution in selling overthe-counter medicines are more efficient than selling ethical medicines. Lastly, technological changecontribution has more influence to productivity change instead of pure technical efficiency change inIndonesia pharmaceutical companies."

"ABSTRAKThis research aims to analyze the influence of operating costs and sales volume to against net income of PT Aero Globe Indonesia, and to analyze how much effect from net income as intervening variabel of this research. The sampling technique used in this research is purposive sampling. The data in this research is secondary data which were obtained from 8 years financial statements years 2007 until 2014. The analyze methode of this research is path analysis. The result of this research show that operating cost and sales volume partially had negative significant effect to the net income. But after the research adding by the invervening variabel, the substructure 2 was show that operating cost, sales volume and net income simultaneously had positive significant effect to the net profit margin."