Purchasing power parity (PPP) is one of the most important, but empirically controversial theories in international macroeconomics. Although many researchers believe that some variant of PPP holds in the long run, there are diverse empirical results regarding the PPP hypothesis. We examine the...

This paper investigates the oil market reaction to its fundamental shocks: supply, aggregate demand and oil-specific demand in different regimes characterised by high versus low uncertainty in the market. We do so by first proposing a novel oil uncertainty index that is measured by the...

This study examines the conditional capital surplus and shortfall dynamics of renewable and non-renewable resource firms. To this end, this study uses the systemic risk index by Brownlees and Engle (2017) and considers two conditional systemic events, namely, the stock market crash and the...

Capital structure is one of the most critical decisions for firms in business. This study examines the role of macro (economic and non-economic) uncertainties in affecting firms’ capital structure management. Three prominent capital structure theories are tested for global resource firms: (1)...

In this paper, we investigate whether and how excess comovement among commodity returns i.e., correlation among commodity returns not accounted for by the common shocks of exogenous macroeconomic variables, have increased during these decades. To this end, we generalize the model of excess...