The hypotheses of sectoral return rates on regulating capital either gravitating around or converging towards a common value is tested on data for various OECD countries by adopting two panel varying coefficient approaches. Our null hypotheses receive some empirical support, that turns out to be...

The hypotheses of sectoral return rates on regulating capital either gravitating around or converging toward a common value is tested on data for various OECD countries by adopting two panel varying coefficient approaches. The null hypotheses receive some empirical support, which turns out to be...