12 resultados para Upward Throughflow

em Comissão Econômica para a América Latina e o Caribe (CEPAL)


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Los documentos del Seminario fueron publicados por UNESCO en 1961 con el título: La urbanización en América Latina/Urbanization in Latin America

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Includes bibliography

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In this study, an attempt is made to assess the economic impact of climate change on nine countries in the Caribbean basin: Aruba, Barbados, Dominican Republic, Guyana, Jamaica, Montserrat, Netherlands Antilles, Saint Lucia and Trinidad and Tobago. A methodological approach proposed by Dell et al. (2008) is used in preference to the traditional Integrated Assessment Models. The evolution of climate variables and of the macroeconomy of each of the nine countries over the period 1970 to 2006 is analyzed and preliminary evidence of a relationship between the macroeconomy and climate change is examined. The preliminary investigation uses correlation, Granger causality and simple regression methods. The preliminary evidence suggests that there is some relationship but that the direction of causation between the macroeconomy and the climate variables is indeterminate. The main analysis involves the use of a panel data (random effects) model which fits the historical data (1971-2007) very well. Projections of economic growth from 2008 to 2099 are done on the basis of four climate scenarios: the International Panel on Climate Change A2, B2, a hybrid A2B2 (the mid-point of A2 and B2), and a ‘baseline’ or ‘Business as Usual’ scenario, which assumes that the growth rate in the period 2008-2099 is the same as the average growth rate over the period 1971-2007. The best average growth rate is under the B2 scenario, followed by the hybrid A2B2 and A2 scenarios, in that order. Although negative growth rates eventually dominate, they are largely positive for a long time. The projections all display long-run secular decline in growth rates notwithstanding short-run upward trends, including some very sharp ones, moving eventually from declining positive rates to negative ones. The costs associated with the various scenarios are all quite high, rising to as high as a present value (2007 base year) of US$14 billion in 2099 (constant 1990 prices) for the B2 scenario and US$21 billion for the BAU scenario. These costs were calculated on the basis of very conservative estimates of the cost of environmental degradation. Mitigation and adaptation costs are likely to be quite high though a small fraction of projected total investment costs.

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In the 1980s Butler adapted the life cycle product model to the tourism industry and created the “Tourism Area Life Cycle (TALC) model”. The model recognizes six stages in the tourism product life cycle: exploration, investment, development, consolidation, stagnation and followed, after stagnation, by decline or revitalization of the product. These six stages can in turn be regrouped into four main stages. The Butler model has been applied to more than 30 country cases with a wide degree of success. De Albuquerque and Mc Elroy (1992) applied the TALC model to 23 small Caribbean island States in the 1990s. Following De Albuquerque and Mc Elroy, the TALC is applied to the 32 member countries of the Caribbean Tourism Organization (CTO) (except for Cancun and Cozumel) to locate their positions along their tourism life-cycle in 2007. This is done using the following indicators: the evolution of the level, market share and growth rate of stay-over arrivals; the growth rate and market share of visitor expenditures per arrival and the tourism styles of the destinations, differentiating between ongoing mass tourism and niche marketing strategies and among upscale, mid-scale and low-scale destinations. Countries have pursued three broad classes of strategies over the last 15 years in order to move upward in their tourism life cycle and enhance their tourism competitiveness. There is first a strategy that continues to rely on mass-tourism to build on the comparative advantages of “sun, sand and sea”, scale economies, all-inclusive packages and large amounts of investment to move along in Stage 2 or Stage 3 (Cuba, Dominican Republic, Puerto Rico). There is a second strategy pursued mainly by very small islands that relies on developing specific niche markets to maintain tourism competitiveness through upgrading (Anguilla, Antigua and Barbuda, British Virgin Islands and Turks and Caicos), allowing them to move from Stage 2 to Stage 3 or Stage 3 to a rejuvenation stage. There is a third strategy that uses a mix of mass-tourism, niche marketing and quality upgrading either to emerge onto the intermediate stage (Trinidad and Tobago); avoid decline (Aruba, The Bahamas) or rejuvenate (Barbados, Jamaica and the United States Virgin Islands). There have been many success stories in Caribbean tourism competitiveness and further research should aim at empirically testing the determinants of tourism competitiveness for the region as a whole.