Canary tomato export prices: comparison and relationships between daily seasonal patterns

Statistical procedures are proposed to describe, compare and forecast the behaviour of seasonal variations in two daily price series of Canary tomato exported to German and British markets, respectively, over the last decade. These seasonal patterns are pseudo-periodic as the length of the seasonal...

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Main Authors: G. Martin-Rodriguez, J. J. Caceres-Hernandez
Format: Article
Language:English
Published: Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria 2013-10-01
Series:Spanish Journal of Agricultural Research
Subjects:
Online Access:http://revistas.inia.es/index.php/sjar/article/view/4063
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spelling doaj-03e8f66a079f4978ad4ee609c6463bbb2020-11-24T23:49:53ZengInstituto Nacional de Investigación y Tecnología Agraria y AlimentariaSpanish Journal of Agricultural Research2171-92922013-10-0111488289310.5424/sjar/2013114-40631907Canary tomato export prices: comparison and relationships between daily seasonal patternsG. Martin-Rodriguez0J. J. Caceres-Hernandez1Dept. Economía de las Instituciones, Estadística Económica y Econometría. Facultad de Ciencias Económicas y Empresariales. Universidad de La Laguna, Campus de Guajara, s/n. 38071. La Laguna.Dept. Economía de las Instituciones, Estadística Económica y Econometría. Facultad de Ciencias Económicas y Empresariales. Universidad de La Laguna, Campus de Guajara, s/n. 38071. La LagunaStatistical procedures are proposed to describe, compare and forecast the behaviour of seasonal variations in two daily price series of Canary tomato exported to German and British markets, respectively, over the last decade. These seasonal patterns are pseudo-periodic as the length of the seasonal period changes frequently in dependence of market conditions. Seasonal effect at a day in the harvesting period is defined as a spline function of the proportion of the length of such a period elapsed up to such a day. Then, seasonal patterns for the two series are compared in terms of the area between the corresponding spline functions. The ability of these models to capture the dynamic process of change in the seasonal pattern is useful to forecasting purpose. Furthermore, an analytical tool is also proposed to obtain forecasts of the seasonal pattern in one of these two series from the forecasts of the seasonal pattern in the other one. These procedures are useful for farmers in developing strategies related to the seasonal distribution of tomato production exported to each market.http://revistas.inia.es/index.php/sjar/article/view/4063daily seriesseasonal effectssplines
collection DOAJ
language English
format Article
sources DOAJ
author G. Martin-Rodriguez
J. J. Caceres-Hernandez
spellingShingle G. Martin-Rodriguez
J. J. Caceres-Hernandez
Canary tomato export prices: comparison and relationships between daily seasonal patterns
Spanish Journal of Agricultural Research
daily series
seasonal effects
splines
author_facet G. Martin-Rodriguez
J. J. Caceres-Hernandez
author_sort G. Martin-Rodriguez
title Canary tomato export prices: comparison and relationships between daily seasonal patterns
title_short Canary tomato export prices: comparison and relationships between daily seasonal patterns
title_full Canary tomato export prices: comparison and relationships between daily seasonal patterns
title_fullStr Canary tomato export prices: comparison and relationships between daily seasonal patterns
title_full_unstemmed Canary tomato export prices: comparison and relationships between daily seasonal patterns
title_sort canary tomato export prices: comparison and relationships between daily seasonal patterns
publisher Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria
series Spanish Journal of Agricultural Research
issn 2171-9292
publishDate 2013-10-01
description Statistical procedures are proposed to describe, compare and forecast the behaviour of seasonal variations in two daily price series of Canary tomato exported to German and British markets, respectively, over the last decade. These seasonal patterns are pseudo-periodic as the length of the seasonal period changes frequently in dependence of market conditions. Seasonal effect at a day in the harvesting period is defined as a spline function of the proportion of the length of such a period elapsed up to such a day. Then, seasonal patterns for the two series are compared in terms of the area between the corresponding spline functions. The ability of these models to capture the dynamic process of change in the seasonal pattern is useful to forecasting purpose. Furthermore, an analytical tool is also proposed to obtain forecasts of the seasonal pattern in one of these two series from the forecasts of the seasonal pattern in the other one. These procedures are useful for farmers in developing strategies related to the seasonal distribution of tomato production exported to each market.
topic daily series
seasonal effects
splines
url http://revistas.inia.es/index.php/sjar/article/view/4063
work_keys_str_mv AT gmartinrodriguez canarytomatoexportpricescomparisonandrelationshipsbetweendailyseasonalpatterns
AT jjcacereshernandez canarytomatoexportpricescomparisonandrelationshipsbetweendailyseasonalpatterns
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