Standard-Nutzungsbedingungen:Die Dokumente auf EconStor dürfen zu eigenen wissenschaftlichen Zwecken und zum Privatgebrauch gespeichert und kopiert werden.Sie dürfen die Dokumente nicht für öffentliche oder kommerzielle Zwecke vervielfältigen, öffentlich ausstellen, öffentlich zugänglich machen, vertreiben oder anderweitig nutzen.Sofern die Verfasser die Dokumente unter Open-Content-Lizenzen (insbesondere CC-Lizenzen) zur Verfügung gestellt haben sollten, gelten abweichend von diesen Nutzungsbedingungen die in der dort genannten Lizenz gewährten Nutzungsrechte. Abstract: This paper examines the level of interdependence and volatility transmission in global agricultural futures markets. We follow a multivariate GARCH approach to explore the dynamics and cross-dynamics of volatility across major exchanges of corn, wheat, and soybeans between the United States, Europe, and Asia. We account for the potential bias that may arise when considering exchanges with different closing times. The results indicate that agricultural markets are highly interrelated and there are both own-and cross-volatility spillovers and dependence among most of the exchanges. The results also show the major role Chicago plays in terms of spillover effects over the other markets, particularly for corn and wheat. Additionally, the level of interdependence between exchanges has only increased in recent years for some of the commodities. Keywords: Volatility transmission, agricultural commodities, futures markets, Multivariate GARCH. JEL Classification: Q02, G15, Q11, C32.
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Documents inResumen: En este trabajo se analiza el nivel de interdependencia y transmisión de volatilidad en los mercados internacionales de futuros agrícolas. Se sigue un enfoque de GARCH multivariado para explorar la dinámica y la dinámica cruzada de la volatilidad para los principales mercados de maíz, trigo y soya en Estados Unidos, Europa y Asia. Se toma en cuenta el posible sesgo que puede surgir cuando se consideran mercados con diferentes horarios de cierre. Los resultados indican que los mercados agrícolas se encuentran altamente interrelacionados y que existen derrames propios y cruzados de volatilidad y dependencias entre la mayoría de los mercados. Los resultados indican además el importante papel que juega Chicago en términos de efectos de derrame de volatilidad sobre los otros mercados, particularmente para maíz y trigo. Adicionalmente, el nivel de interdependencia entre los mercados sólo se ha incrementado en años recientes para algunos de los productos primarios. Palabras Clave: Transmisión de volatilidad, productos primarios agrícolas, mercados de futuros, GARCH multivariado.
This paper studies earnings inequality and dynamics in Argentina between 1996 and 2015. Following the 2001–2002 crisis, the Argentine economy transitioned from a low‐ to a high‐inflation regime, while collective bargaining and the minimum wage gained influence. This transition was associated with a persistent decrease in earnings dispersion and cyclical movements in higher‐order moments of the distribution of earnings changes. To shed light on the changing nature of wage rigidity during this period, we develop a new method to estimate regular‐wage processes. As the Argentine economy transitioned from low to high inflation, the monthly frequency of regular‐wage changes almost doubled, while the distribution of regular‐wage changes morphed from having a mode around zero and positive skewness to having a positive mode and more symmetric tails.
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