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The estimated parameters of output distance functions frequently violate the monotonicity, quasi-convexity and convexity constraints implied by economic theory, leading to estimated elasticities and shadow prices that are incorrectly signed, and ultimately to perverse conclusions concerning the...
Persistent link: https://www.econbiz.de/10009479528
distributed and that this is completely specified. It is also shown that the coefficient of variation is unaffected by the size …
Persistent link: https://www.econbiz.de/10009437537
Forecasting category or industry sales is a vital component of a company’s planning and control activities. Sales for … varying model significantly outperformed previous models both in terms of fitting and forecasting the sales data. …
Persistent link: https://www.econbiz.de/10009437593
Numerous econometric models have been proposed for forecasting property market performance, but limited success has …
Persistent link: https://www.econbiz.de/10009437836
In many product categories of durable goods such as TV, PC, and DVD player, the largest component of sales is generated by consumers replacing existing units. Aggregate sales models proposed by diffusion of innovation researchers for the replacement component of sales have incorporated several...
Persistent link: https://www.econbiz.de/10009438070
in stock forecasting. Neural networks are viewed as one of the more suitable techniques. In this study, an experiment on … the forecasting of the Stock Exchange of Thailand (SET) was conducted by using feedforward backpropagation neural networks … neural network models in the forecasting of SET. Several global and local factors influencing the Thai stock market were used …
Persistent link: https://www.econbiz.de/10009440856
Risk aversion is a key element of utility maximizing hedge strategies; however, it has typically been assigned an arbitrary value in the literature. This paper instead applies a GARCH-in-Mean (GARCH-M) model to estimate a time-varying measure of risk aversion that is based on the observed risk...
Persistent link: https://www.econbiz.de/10009475637
forecasting methods employ cumulative production volume instead of time as the crucial explanatory variable, following Wright … work goes beyond identifying the most relevant factors in cost innovation. Our goal is to provide practical forecasting … information technology, Technological Forecasting & Social Change, 73 (2006) 1061-1083. H. Koh, C.L. Magee, A functional approach …
Persistent link: https://www.econbiz.de/10009476085
) power flows. The first method involving neural network load forecasting and simultaneous equations can only be applied to … Queensland electricity network with an error of approximately 5%. The second method of forecasting the cutset flows directly from … 10% MAE. Results indicate that the cutset flow forecasting tool is accurate, robust and adaptable to suit the …
Persistent link: https://www.econbiz.de/10009448049
was therefore set up as a simultaneous estimation and forecasting effort which permitted to integrate various, usually …
Persistent link: https://www.econbiz.de/10009443868