“…Fiscal and trade-related variables, such as the debt-to-GDP ratio and current account ratio, appear to be important drivers in many studies (Afonso & Rault;, Bernoth & Erdogan, 2012Costantini et al, 2014;Georgoutsos and Migiakis, 2013;Maltritz, 2012;Poghosyan, 2014;Rivero and Morales-Zumaquero, 2015). Macroeconomic variables such as the real GDP growth and inflation are also significant fundamental drivers (Afonso and Rault, 2015;Poghosyan, 2014;Costantini et al 2014). In addition, some papers include financial variables such as a proxy for the risk free rate or short term interest rate and stress and volatility on financial markets (De Haan et al, 2014;Poghosyan, 2014).…”