Unfortunately renewable energy economics has to fight against the way that human minds perform time discounting. A wind energy product may be more economically

Unfortunately renewable energy economics has to fight against the way that human minds perform time discounting. A wind energy product may be more economically efficient over its lifetime, but a coal-firing plant costs less today, even if fuel costs will add up over time. So these encouraging numbers may not obviate the case for government action in encouraging the uptake of renewable energy.