從21世紀開始，低敏感性的區域經濟整合已成為目前國際的趨勢。俄羅斯因應區域經濟整合趨勢，從傳統主導安全性區域整合改採以更有地緣政治優勢的能源戰略，來促進其建立在新「歐亞主義」的「歐亞經濟聯盟」。本文以地緣政治之能源戰略視角，檢視俄羅斯對前蘇聯國家的地緣政治與能源紛爭，並以交易成本經濟模型作為綜合型架構。本文認為國家作為一個理性行為者，俄羅斯運用地緣政治能源戰略降低交易成本。最後本文以交易成本變項來進一步分析前蘇聯國家與俄羅斯之議價能力。

In the 21st century, regional economic integration as a less sensitive issue has become the current international trend. In response to the trend of regional economic integration, Russia has changed from traditionally dominated thought of security regional integration to a more geopolitical energy strategy to promote its establishment of the “Eurasian Economic Union” based on the new “Eurasianism.” From the perspective of geopolitical-based energy strategy, the article examines Russia’s geopolitical and energy ..

尼加拉瓜前軍事將領Daniel Ortega，以38%得票率於2006年總統選舉獲勝當選。選後，許多分析家將Ortega勝選歸結為2000年選舉法及右派候選人分裂，而本文旨在利用尼國最高選舉委員會公布的選舉結果，重新檢視促成Ortega當選的這兩項原因之影響力。在交叉分析尼國選舉結果後，筆者發現勢均力敵的右派政黨候選人競爭形勢，使Ortega得以首輪當選。

Nicaragua's former military leader, Daniel Ortega, has won the 2006 presidential election with 38 percent of the vote in the first round. Some Analysts have argued after the election that there were two main factors - the 2000 election law and the division among the two rightwing candidates - that led to Daniel Ortega's victory. In this paper, the author  aims to reexamine the influences of those two factors by using the election result released by the Nicaragua Supreme Electoral Council (CSE). In conclusion, the author fin..