A way to test the relevance of endogenous growth theory is to test this existence of the relationship between innovation and total factor productivity at the country level. More recently this approach has been extended to take account of externalities induced by innovation activities from...

In most liberalised electricity retail markets, incumbent firms still hold the majority of residential consumers. This situation focused the attention of regulatory institutions and energy economists on the determinants of consumers switching decisions. Fewer studies have, however, been devoted...