This paper extends the cross sectionally augmented panel unit root test proposed byPesaran (2007) to the case of a multifactor error structure. The basic idea is to exploitinformation regarding the unobserved factors that are shared by other time series in additionto the variable under...

This paper studies the long-run impact of public debt expansion on economic growth and investigates whether the debt-growth relation varies with the level of indebtedness. Our contribution is both theoretical and empirical. On the theoretical side, we develop tests for threshold effects in the...

The economic and environmental implications of energy subsidies have received renewed attention from policymakers and economists in recent years. Nevertheless there remains significant uncertainty regarding the magnitude of the impact of energy subsidies on energy consumption. In this paper we...

This paper argues that corruption patterns are endogenous to political structures. Thus, corruption can be systemic and planned rather than decentralized and coincidental. In an economic system without law or property rights, a kleptocratic state may arise as a predatory hierarchy from a state...