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K. Aruma Rao

Libri dell'autore

Economic valuation of cultivation of mangroves: a willingness to work study using zero inflated Poisson distribution
Gratis
digital
formato: Articolo | STATISTICA & APPLICAZIONI - 2011 - 1
Anno: 2011
SUMMARY Mangrove forests’ contribution to the coastal biodiversity is invaluable. They serve as habitat for marine flora and fauna and also cleanse the water. They act as breeding ground to many fish species. Still the mangroves are destroyed large scale for aquaculture farming and also for tourism industry. We have conducted a contingent valuation survey to study the willingness of coastal fishermen community in Uttara Kannada district of Karnataka, India to contribute towards the cultivation of mangroves. Zero Inflated Poisson model was used to estimate the number of days fishermen willing to work. We have also identified the factors influencing their decision to participate or not to participate in the program. Keywords: Contingent Valuation, Willingness to Work, Zero Inflated Poisson Distribution, Model Based Estimator.
Scarica
Some Methods for Small Area Estimation digital
formato: Articolo | RIVISTA INTERNAZIONALE DI SCIENZE SOCIALI - 2008 - 4
Anno: 2008
Methods for small area estimation have received much attention in recent years due to growing demand for reliable small area statistics that are needed in formulating policies and programs, allocation of government funds, making business decisions and so on. Traditional area-specific direct estimation methods are not suitable in the small area context because of small (or even zero) area-specific sample sizes. As a result, indirect estimation methods that borrow information across related areas through implicit or explicit linking models and auxiliary information, such as census data and administrative records, are needed. This paper provides an introduction to small area estimation with emphasis on explicit model-based estimation. Methods covered include «off-the-shelf» re-weighting methods, simulated census methods used by the World Bank and formal empirical Bayes and hierarchical Bayes methods, based on explicit models. Formal model-based methods permit the estimation of mean squared prediction error and the construction of confidence intervals.
€ 6,00
 

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