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| Laajimi, Abderraouf; Guesmi, Anis; Mahfoudhi, A.; Dhehibi, Boubaker. |
| In Tunisia, peaches have a significant place in the fruit tree sector. Planted areas have been expanding ever since the eighties as a result of irrigation water extension and the use of better yielding varieties. These factors resulted in high production levels and fruit exports thereof. However, important seasonal and annual variation of fruit supplies continues to characterize prices at both wholesale and consumption levels. To study the response of peach production an econometric model was developed. Modelling was carried out in two stages. First area variation was explained through new plantings and removals and second yield variation was analyzed. The methodological approach followed takes into account the characteristics and... |
| Tipo: Journal Article |
Palavras-chave: Supply response; Modeling; Price expectations; Peaches; Demand and Price Analysis. |
| Ano: 2009 |
URL: http://purl.umn.edu/93801 |
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| Gomez, Emilio Galdeano. |
| RESUMEN: La diferencia temporal existente entre la planificación de la oferta y la demanda de productos agrarios, conlleva a que, tradicionalmente, en sectores como el de frutas y hortalizas cobren gran interés las teorías sobre formación de expectativas de precios. En las últimas décadas, la tendencia hacia una mayor interrelación entre la producción y la comercialización (en origen) presente en entidades asociativas implica un aumento de la disponibilidad y utilización de la información para realizar previsiones sobre las distintas variables. El objeto de este estudio es determinar empíricamente la existencia de estimaciones sobre el precio, tomando como referencia actividad productora-comercializadora del sector hortofrutícola del sureste español, que... |
| Tipo: Journal Article |
Palavras-chave: Price expectations; Supply of agrarian products; Rational expectations; Horticultural sector; Demand and Price Analysis; Q11; Q13. |
| Ano: 2001 |
URL: http://purl.umn.edu/28742 |
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| Peterson, Hikaru Hanawa; Tomek, William G.. |
| The choice of deflators of commodity prices can change the time-series properties of the original series. This is a specific application of the general phenomenon that various kinds of data transformations can create spurious cycles that did not exist in the original data. Different empirical models of expectations result from nominal and various deflated series that have distinct time-series properties, and these models, in turn, produce varying estimates of supply response and measures of price risk. The foregoing is illustrated by annual grain prices, monthly milk prices, and a milk supply analysis. Annual prices of corn and soybeans, for example, appear to vary around a constant mean, but when deflated by general price indexes such as the CPI, the... |
| Tipo: Conference Paper or Presentation |
Palavras-chave: Deflating; Time-series analysis; Price expectations; Price risk; Supply analysis; Demand and Price Analysis. |
| Ano: 2000 |
URL: http://purl.umn.edu/18944 |
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