“…Several studies have shown that there exists a positive relationship between derivatives hedging and firm performance (see Allayannis et al, 2012;Bartram, Brown and Conrad, 2011;Haushalter et al, 2007;Pérez-González and Yun, 2013). More recently, Lau (2016) has shown that hedging can strengthen company's ROA and ROE, while Chen, Han and Zeng (2017) find that hedging companies announce higher returns than non-users. Typically, hedging strategies are supported by a variety of econometric models aiming at forecasting the volatility of commodity prices.…”