The common assumptions that labor income share does not change over time or across countries and that factor income shares are equal to the elasticity of output with respect to factors have had important implications for economic theory. However, there are various theoretical reasons why the...

In general, empirical studies on growth consider, at most, three factors, physical capital, labor and human capital. Land, however, is also a production factor for many activities. In this study, we make growth regressions considering land as factor. We also propose an explanation for why labor...