Since then, its lump - sum appropriation has been steadily increased to $ 1.5 billion — and the description of eligible
purposes has been expanded to cover «
economic development» projects that «create or retain jobs.»
Policies to address climate change would affect both consumption and investment, but for the
purposes of evaluation what matters is the effect on investment,
since it is the effect of policies on investment decisions that will determine rates of innovation and hence
economic growth, the ability to adapt to climate change, and future consumption.