1987
DOI: 10.1057/jors.1987.9
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The Effects of Demand-Forecast Fluctuations on Customer Service and Inventory Cost When Demand is Lumpy

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Cited by 54 publications
(14 citation statements)
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“…Many distributions have been suggested to model the sizes of demand when demand occurs (Axsäter 2006), such as the geometric (Watson 1987, Johnston et al 2003, Chew and Johnson 2006, logarithmic (Syntetos and Boylan 2006), lognormal (Syntetos et al 2009a), etc. However, and as discussed in the next section, modeling for forecasting purposes is insensitive to such a distributional assumption.…”
Section: Research Relevancementioning
confidence: 99%
“…Many distributions have been suggested to model the sizes of demand when demand occurs (Axsäter 2006), such as the geometric (Watson 1987, Johnston et al 2003, Chew and Johnson 2006, logarithmic (Syntetos and Boylan 2006), lognormal (Syntetos et al 2009a), etc. However, and as discussed in the next section, modeling for forecasting purposes is insensitive to such a distributional assumption.…”
Section: Research Relevancementioning
confidence: 99%
“…Inter-demand intervals following the geometric distribution in conjunction with an arbitrary distribution for the sizes, results in a compound binomial distribution. 1969;Ward, 1978;Watson, 1987). Another possibility is the combination of a Poisson distribution for demand occurrence and a normal distribution for demand sizes (Vereecke and Verstraeten, 1994), although the latter assumption has little empirical support.…”
Section: Parametric Forecastingmentioning
confidence: 99%
“…En la industria es frecuente encontrar dificultades en los procesos de pronósticos de demandas por aspectos como las variaciones drásticas de los mercados, la introducción de más competidores, más productos importados, y por cambios en las tasas de moneda, entre otros aspectos que algunas veces se hacen impredecibles (Makridakis et al, 2011;Nenes et al, 2010;Samaratunga et al, 1997;Watson, 1987). Dichos cambios no son siempre predecibles con los modelos estadísticos conocidos, como: ARIMA, suavización exponencial, regresión en series temporales, ya que requieren estructuras teóricas que exigen muchos datos para ser precisos, o que se basan en ciertos supuestos que no siempre se alcanzan, como la distribución normal en los errores.…”
Section: Introductionunclassified