This paper estimates the impact on the US economy of four types of uncertainty about (i) government spending, (ii) tax changes, (iii) public debt sustainability and (iv) monetary policy. Following a one standard deviation shock, uncertainty about debt sustainability has the largest and most...

We study the cyclicality of public R&D in 28 OECD countries (1995-2017). While procyclical on average, public R&D reacts asymmetrically over different phases of the business cycle and becomes acyclical during recessions. It is also heterogeneous across countries: Innovation leaders and followers...

The aim of this paper is to investigate how major net oil exporter economies react to oil price shocks. We contribute to the literature by considering, at the same time, the possible nonlinearity and asymmetry of this relationship with respect to sign, size and causes of the oil price shocks, as...