Gold-mining dredges, called dragons, like this one photographed in 2020 in Rio Quito in western Colombia lift the river bed and destroy river banks to collect material that is going to be ground, ...
Bosshardt, Joshua, Marco Di Maggio, Ali Kakhbod, and Amir Kermani. "The Credit Supply Channel of Monetary Policy Tightening and Its Distributional Impacts." NBER Working Paper Series, No. 31464, July ...
Di Maggio, Marco, Francesco Franzoni, Amir Kermani, and Carlo Sommavilla. "The Relevance of Broker Networks for Information Diffusion in the Stock Market." Journal of Financial Economics 134, no. 2 ...
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