Simultaneity represents a fundamental problem when estimating the elasticity of substitution between capital and labour. To overcome this problem, a wide variety of external instruments has been applied in the literature. However, the use of instruments may lead to wrong inference if they are...

In this paper, we study how lower corporate tax rates impact investment by including two novel channels into a DSGE model used for fiscal policy analysis in Norway. We capture both how foreign firms relocate and invest in the country when corporate taxes are reduced and how the inflow of FDI...