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...

This paper describes the coverage and representativeness of Orbis, a commercial database of firm-level records across many countries. Such databases can provide key insights into global economic trends and shed light on how policies affect firms within and across countries. As a benchmark, the...