The expansion in the supply of energy services over the last couple of centuries has reduced the apparent importance of energy in economic growth despite energy being an essential production input. We demonstrate this by developing a simple extension of the Solow growth model, which we use to...

We build a directed technical change model where one intermediate goods sector uses a fixed quantity of biomass energy (“wood”) and another uses coal at a fixed price, matching stylized facts for the British Industrial Revolution. Unlike previous research, we do not assume that the level or...