1.-If wages rise for manufacturing jobs that do not require a college degree, all else equal, demand for human capital investment _____, and the rate of return from human capital investment _____.

rises; rises

rises; falls

falls; falls

falls; rises

2.-Because of the public good aspect of greenhouse gas emissions

-rivalry in consumption of greenhouse gases occurs.

-excludability of greenhouse gases takes place.

-governments must finance much of the climate change research and development.

-private firms will eagerly invest in research and development to reduce greenhouse gases.

3.-In general, market-based policies used to address pollution are more economically efficient than command and control policies are.

False

True