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Global warming has been one of the major concerns behind the world＇s high-speed economic growth. How to implement the coordinated development of the carbon footprint and the economy will be the core issue of the world＇s economic and social development, as well as the heated debate of the research at home and abroad in recent years. Based on the energy consumption, integrated with the ＂Top-Down＂ life cycle approach and geographically weighted regression （GWR） model, this paper analyzed the spatial differences and multi-mechanism of carbon footprint in provincial China in 2010. Firstly, this study calculated the amount of carbon footprint of each province using ＂Top-Down＂ life cycle approach and found that there were significant differences of carbon footprint and per capita carbon footprint in provincial China. The provinces with higher carbon footprint, mainly located in northern China, have large economic scales; the provinces with higher per capita carbon footprint are mainly distributed in central cities such as Beijing, Shanghai and energy-rich regions and heavy chemical bases. Secondly, with the aid of GIS and spatial analysis model （GWR model）, this paper had unfolded that the expansion of economic scale is the main driver of the rapid growth of carbon footprint. The growth of population and urbanization also acted as promoting factors for the increase of the carbon footprint. Energy structure had no considerable promoting effect for the increase of the carbon footprint. Improving energy efficiency is the most important factor to inhibit the growing carbon footprint. Thirdly, developing low-carbon economies and low-carbon industries, as well as advocating low-carbon city construction and improving carbon efficiency would be the primary approaches to inhibit the rapid growth of carbon footprint. Moderately controlling the economic scale and population size would also be required to alleviate carbon footprint. Meanwhile, environmental protection and construction of low-carbon cities would evoke extensive attention in the process of urbanization.

Many claim that China will soon overtake the US. I argue that this claim is based on a misuse of statistics. The International Comparison Program （ICP） price data is necessary to compare living standards, since a dollar＇s worth of yuan buys more in China than a dollar buys in the US. But the fact that rice and clothes are cheap in rural China does not make the Chinese economy larger. What matters for size in the world economy is how much a yuan can buy on world markets. Using the correct prices, the US remains the world＇s largest economic power by a substantial margin.

Over a period of three decades from 1980 to 2010, China, the world＇s most populous country with one-fifth of the global population, managed to grow its real GDP by almost ten percent per annum, or expand the size of its economy by more than seventeen fold. The persistent hyper economic growth has lifted hundreds of millions of people from poverty and developed the country from one of the world＇s poorest economies to a global economic powerhouse and manufacturing base. The prolonged economic growth with such speed and scale is unprecedented in human history.

This paper makes systematic observations of China＇s contributions to global macroeconomic growth and bulk commodity consumption. Our observations suggest that while China＇s economic size is relatively small on a per capita basis, its contributions are large in terms of overall volume; moreover, the economy has experienced tremendous growth. Quantifying these characteristics that are unique to China＇s development creates a realistic background upon which China can re-examine its trade and economic policies and strategic thinking.

In terms of economic scale and the number of regions included, Asia-Pacific Economic Cooperation （APEC） is one of the world＇s three major regional cooperation organizations together with the EU and the North American Free Trade Agreement. The annual APEC Economic Leaders＇ Meeting holds great significance for both the region and the world. The Free Trade Area of the Asia-Pacific （FTAAP） will represent a hot topic dudng this year＇s meetin~

ince the end of the Cold War in the late 1980s and early 1990s, it is widely accepted that the United States has been the world＇s sole superpower. This is based on two indisputable facts. The first is the size of its economy, which has been utterly dominant over this period and constitutes approximately a quarter of global GDP. The second is the size of its militaG. The United States has the army,

近年來由於少子化及高等教育之過度擴充，臺灣有許多家高等教育院校正面臨嚴重的招生不足及財務困難之問題。教育主管當局亦針對這些學校要求採取減招或系所關閉，或與他校合併之鼓勵措施。為提供較客觀數據作為調整時之參考，高等教育院校之經營效率及最適規模探討已為當前高等教育必要且重要之研究課題。本研究利用平均成本邊界函數法衡量高等教育院校之成本效率，並探究在考慮學校品質差異性下之最適經營規模。研究結果顯示，最適規模會與學校品質成正比。而就目前之平均學校品質水準而言，約有60%之大學及技職院校之規模未達或超過最適規模水準，應設法擴大或降低這些學校之經營規模，而本文之實證結果當可作為這些學校規模調整之參考。此外，研究亦發現：經營效率改善所獲致之成本節省，將超過調整規模所能產生之成本效益。是故，學校在調整規模之同時，更應重視成本效率之提升

依據民國七十八年臺灣同時經營出國旅遊與代辦業務的旅行社普查資料，透過對TMCF與要素份額方程式所組成的近似無關聯立模型進行估計，本文發現，整體而言，該業務組合旅行社具有產品別與射線規模經濟，然出國旅遊與代辦業務間卻顯著地不具有弱成本互補性。但當以出國旅遊人次區分大、中、小型旅行社後，本文進一步發現，中小型旅行社的出國旅遊與代辦業務間具有弱成本互補性及多樣化經濟，而大型旅行社則不具弱成本互補性。因此，為降低平均成本，本文建議，中小型旅行社可朝多樣化經營發展，而大型旅行社可考慮專業化