Damos a conocer en este artículo un arriaz de espada hallado, de modo casual, en el yacimiento arqueológi-co de Los Algarbes (Écija, Sevilla) y que forma parte de los fondos del Museo Histórico "Juan Bernier" de La Carlota (Córdoba). El arriaz está fundido en bronce y presenta una decoración sencilla, en relieve, con un motivo central figurado (cabeza de rasgos antropomorfos que identificamos como perteneciente a un ŷinn o genio de la mitología mágica islámica) del que parten a ambos lados sendos motivos vegetales de palmetas. El arriaz es de brazos curvados hacia la hoja y de marcada influencia bizantina, si bien hemos de considerarlo como una producción cordobesa de época omeya, muy probablemente califal. La escasez de la cultura material asociada a espadas para este periodo hacen del arriaz de Los Algarbes un referente excepcional y obligado para conocer la panoplia militar andalusí altomedieval.In this article we present a sword crossguard found casually in the archaeological settlement of Los Algarbes (Ecija, Sevilla), which is part of the funds of the Historical Museum "Juan Bernier" in La Carlota (Córdo-ba). The crossguard is made of bronze and has a simple decoration, in relief, with a central figurative element (one head with anthropomorphic features, which we identify as belonging to a ŷinn or a genie of magical islamic mythology) from which two palm-shaped motives are emerging on each side. This crossguard has curved arms towards the blade in a clear Byzantine style, although it must be considered as manufactured in Córdoba during the Omeya period, probably in the Caliphate time. The shortage of materials associated with swords of this period, turn the crossguard of los Algarves into an essential reference to comprehend the Andalusi military weapons of the early Middle Age.
Preliminary findings of this research suggest significant stochastic properties differences between growth miracles and growth disasters. Miracles real GDP per capita exhibit at least one unit root whereas disasters is either stationary or has a negative unit root. Average growth rates appear to be significantly different. Average population growth rate is stationary for disasters, for miracles the existence of a negative unit root cannot be rejected. Consumption for miracles is either stationary or tends to decline, for disasters is stationary or tends to increase. Investment average and volatility are apparently significantly greater for miracles. Government expenditures for disasters are non stationary, for miracles are stationary with an incipient tendency to decline. Moreover, average government expenditures apparently are greater and more volatile for disasters. Finally, openness is stationary for disasters and for miracles it has at least one unit root.
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