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準蒙地卡羅法於多資產路徑相依債券之評價張極鑫, Chang, Chi-Shin Unknown Date (has links)
近年來隨著法規與市場逐漸的開放,使得券商可以發行衍生性商品的種類也逐漸增加,而在眾多結構型商品中,不少商品其連結標的包含了多資產與路徑相依條款,可以看成投資一藍子股票且具有多個觀察時間的商品,一方面若連結資產上漲投資人將可得到一定的報酬,另外一方面同時具有下方保護的條款可避免本金嚴重虧損。
而此類商品包含了多資產連結且有路徑相依條款,在評價方面是一個高維度的問題,若使用傳統的蒙地卡羅法來評價,因其收斂速度緩慢常需秏費大量的計算時間,使得蒙地卡羅法在應用上有此缺點,一般來說可以使用對立變數法或控制變數法來改進收斂的速度,另外也可以使用低差異性數列即所謂的準蒙地卡羅法來改進收斂速度,並且準蒙地卡羅法與布朗橋結構或主成份分析法相結合還可加快收斂速度。
本文主要提供二種不同報酬型態的商品,第一個商品為低維度上入局商品,其報酬型態與障礙型選擇類似,第二個商品為連結多資產且路徑相依商品,以此兩商品來探討各種不同方法在不同報酬型態下的收斂速度與準確性,最後文中模擬的結果顯示在所有方法中,使用準蒙地卡羅法結合主成份分析法皆可以得到不錯的收斂速度與準確性。
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Nationalising Culture : The Reorganisation of National Culture in Swedish Cultural Policy 1970–2002 / Kulturens nationalisering : Reorganiseringen av nationell kultur i svensk kulturpolitik 1970-2002Harding, Tobias January 2007 (has links)
By comparative analysis of Swedish cultural policy (including art policy, heritage policy and Church policy) during the Riksdag periods of 1970-73, 1991-94, 1994-98 and 1998-2002 the relationship between cultural policy and the concept of the nation as a homogenous cultural community (defined by either an ethnic or a state-framed concept) is explored. Neoinstitutional analysis of cultural policy as an organisational field is combined with analysis of how the nation is conceived as an imagined community, and what values it strives to uphold to show how these values and concepts are institutionalised in its cultural policy and how this supports the legitimacy of the State as a nation-state. In the early seventies, when a general cultural policy was first established in Sweden, most of its fields were already institutionalised and bound by strong path dependencies, binding art policy to protecting universal aesthetic values within the state-framed nation and heritage policy to ethnic particularism while Church policy stood between universalism and ethnic particularism (which infected the relationship between Church and State). These contradictions were managed by strong borders between the fields. In the early seventies these were overlaid with a general cultural policy focused on universal civil values within the state-framed nation. Since then the conflict between Church and State has been defused and the norms of heritage policy have become closer to those of cultural policy at large by the claim that cultural heritage should be used to uphold civil values (e.g. democracy and tolerance). In the late nineties cultural policy has again become less integrated by new government initiatives with specific goals. Civil universal values remain dominant while concepts of the nation are increasingly multi-ethnic. / Genom jämförande analys av svensk statlig kulturpolitik (inklusive konstpolitik, kulturarvspolitik och religionspolitik) under riksdagsperioderna 1970-73, 1991-94, 1994-98 and 1998-2002 undersöks relationen mellan kulturpolitiken och föreställningen om nationen som en homogen kulturell gemenskap som i vissa fall tänks inkludera dess innevånare och i andra fall en etnisk grupp. Nyinstitutionell analys av kulturpolitik som organisatoriskt fält kombineras med analys av hur nationen konceptualiseras som en föreställd gemenskap och vilka värderingar den upprätthåller för att visa hur dessa värden och koncept institutionaliseras i statens kulturpolitik och hur denna bidrar till att upprätthålla nationalstatens legitimitet. När en enhetlig kulturpolitik etablerades i Sverige i början av 1970-talet var de flesta av de ingående fälten redan låsta i sedan länge etablerade stigberoenden som band konstpolitiken till upprätthållandet av estetiska värden inom ramarna för en med utgångspunkt i staten definierad nation samtidigt som kulturarvspolitiken bundits vid etniskt partikularistiska nationskoncept och kyrkopolitiken slets mellan universalism och etnisk partikularism (vilket komplicerade kyrka-stat-relationen). Motsättningar hanterades genom kraftiga institutionella gränser mellan fälten. Till dessa fogades en övergripande kulturpolitik baserad på universella civila värden inom ramarna för den statsdefinierade nationen. Sedan dess har konflikten mellan kyrka och stat lösts upp och kulturarvspolitiken integrerats i den generella kulturpolitiken bl.a. genom organisatoriska reformer. I slutet av 1990-talet tycks trenden mot en allt mer integrerad kulturpolitik dock ha vänt bl.a. genom direkta men begränsade regeringsinitiativ. Den domineras fortfarande av universella civila värden, men också av alltmer mångetniska föreställningar om nationen.
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Bilder av lokal näringslivsutveckling : exemplet VärnamoRöllgårdh, Martin January 2011 (has links)
The main aim of this licentiate thesis is to examine how local actors in a medium-sized Swedish municipality, Värnamo, in their role as decision-makers at the local arena, describe and explain the preconditions and strategies for local economic and social development. The analysis uses semi-structured interviews to reveal the connections between the local actors representations of social and economic structures and their representations of central and future strategic choices. The local actors are represented by a) firm owners or central firm managers, b) local politicians in the municipal executive board, c) civil servants in central positions and d) key actors connected to local and regional organizations. The methodological approach is based on discourse analysis. The overall aim of the study is to understand how local discourses are constructed and communicated. The analysis is deepened by relating the local discourses to relevant theoretical models in contemporary economic geography. The economic-geographical theoretical models used in the analysis focus on industrial districts, clusters and innovation systems. Path-dependency, social embeddedness and creative class are other concepts of importance to understand the formation of the local discourse. The analysis shows how local discourses are affected by the perceived globalization process while being at the same time linked to a) specific historical and environmental factors leading to predominant behavioral norms and values stating that you should be hard working, economical, cooperative and trustworthy and b) the relative location, which is conceived to be central regarding communications and regional service functions. This is combined with an image of a creative and innovative local/regional production system, based on traditions in manufacturing and trade. The foundations in manufacturing and trade are however challenged by new sectors like logistics, design, and higher education in cooperation with universities in the region.
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