This is the first paper to analyze the impact of biofuels on the price transmission along the food chain. We analyze the U.S. corn sector and its vertical links with food and ethanol (energy) markets. We find that biofuels affect the price transmission elasticity in the food chain compared to a...

I use the quasi experimental nature of the roll-out of the mobile phone network in Mozambique to estimate the impact of search costs on the dispersion of maize prices and transport costs. The introduction of mobile phone services from 1997 to 2009 explains a 4.5-11% percent reduction in price...

Handelsbeschränkungen; Exportkontrollen; Ernährungskrisenpolitik; Länder der ehemaligen Sowjetunion; Funktionsfähigkeit von Agrarmärkten; Effizienz von Wertschöpfungsketten für Nahrungsmittel; Preistransmission; Preisvolatilität; Wetterextreme; Globale Ernährungssicherheit

We examine how media coverage of fluctuations in the price of agricultural commodities affects these prices and their volatility. We develop a unified empirical framework to analyze the media's effects on both returns and volatility using insights from the literature. We use daily prices of...