This paper examines the causal relationship between economic policy uncertainty (EPU) and equity market uncertainty (EMU) in the US using linear and nonlinear Granger causality tests. We use daily data on the newly developed indexes by Baker et al. (2013) covering 1985:01:01 to 2013:06:14....

This paper examines the dynamic effects of government outlays on economic growth and the unemployment rate. Using vector autoregression and data from twenty OECD countries over three recent decades, we found: (1) positive shocks to government outlays slow down economic growth and raise the...

This paper investigates the direction of causal relationship between taxes and expenditure in South Africa, using quarterly data for the period 1960:1-2006:2, and annual data for 1960 to 2005. For both frequencies, gross domestic product and government debt are included in the VAR system as...

This paper examines the dynamic effects of government outlays on economic growth and the unemployment rate in the context of vector autoregression. We utilize data from 20 OECD countries over three recent decades. Our main conclusions are: (1) positive shocks to government outlays will slow down...

The aim of this paper is to investigate the causal relationship between agricultural prices in South Africa and global oil prices. A nonlinear Granger causality test based on moment conditions, introduced by Nishiyama et al (2011) is employed and we find that there is indeed a causal...