<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>10</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Syriopoulos, Theodore</style></author><author><style face="normal" font="default" size="100%">Tsatsaronis, Michael</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Estimating and Testing Optimal Hedge Ratio Efficiency in Global Commodities Markets</style></title><secondary-title><style face="normal" font="default" size="100%">International Conference on Business and Economics of the Hellenic Open University, retrieved from https://www. researchgate. net/publication/324165150_Estimating_and_Testing_Optim al_Hedge_Ratio_Efficiency_in_Global_Commodities_Markets</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2018</style></year></dates><language><style face="normal" font="default" size="100%">eng</style></language></record></records></xml>