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Catherine J. Nash Andrew Gorman‐Murray 《International journal of urban and regional research》2014,38(3):756-772
In this article we apply insights from ‘new mobilities’ approaches to understand the shifting sexual and gendered landscapes of major cities in the global North. The empirical context is the purported ‘demise’ of traditional gay villages in Toronto, Canada and Sydney, Australia, and the emergence of ‘LGBT neighbourhoods’ elsewhere in the inner city. We reinterpret the historical geography of twentieth century LGBT lives and the associated ‘rise and fall’ of gay enclaves through the lens of the ‘politics of mobility’. In this reading, it is apparent that multifaceted movements — migration, physical and social mobility, and motility — underpin the formation of gay enclaves and recent transformations in sexual and gendered landscapes. After the second world war, LGBT communities in the global North were embedded in specific historical geographies of mobility and we trace these in the Canadian and Australian contexts. The ‘great gay migration’ from the 1960s to the 1980s has been joined by new LGBT constellations of mobility in the 2000s, and these have imprinted upon the sexual and gendered landscapes of Toronto and Sydney. 相似文献
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The Cox, Ross, and Rubinstein binomial model is generalizedto the multinomial case. Limits are investigated and shown toyield the Black-Scholes formula in the case of continuous samplepaths for a wide variety of complete market structures. In thediscontinuous case of Merton-type formula is shown to result,provided jump probabilities are replaced by their correspondingArrow-Debreu prices. 相似文献
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A binomial approximation to a diffusion is defined as 'computationallysimple' if the number of nodes grows at most linearly in thenumber of time intervals. It is shown how to construct computationallysimple binomial processes that converge weakly to commonly employeddiffusions in financial models. The convergence of the sequenceof bond and European option prices from these processes to thecorresponding values in the diffusion limit is also demonstrated.Numerical examples from the constant elasticity of variancestock price and the Cox, Ingersoll, and Ross (1985) discountbond price are provided. 相似文献
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The upstairs market for large-block transactions: analysis and measurement of price effects 总被引:12,自引:0,他引:12
This article develops a model of the upstairs market where ordersize, beliefs and prices are determined endogenously. We testthe model's predictions using unique data for 5,625 equity tradesduring the period 1985 to 1992 that are known to be upstairstransactions and are identified as either buyer or seller initiated.We find that price movements prior to the trade date are significantlypositively related to trade size, consistent with informationleakage as the block is 'shopped' upstairs. Further, the temporaryprice impact or liquidity effect is a concave function of ordersize, which may result from upstairs intermediation. 相似文献
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