As cities grew and markets developed, life, fire and death insurance companies emerged to manage risks and help groups of individuals during disasters

Let MC be the marginal private cost per megawatt hour (Mwh) of producing electricity using coal. Let MSC be the marginal social cost per Mwh and T be the tax per Mwh. To achieve efficiency, the tax should be set so that

A) MC = MSC + T. B) MSC = MC + T. C) MC + MSC = T D) MC = T.

When something happens to the economy, monetarists ask two questions:

a. What does this do to government spending, and what does it do to tax revenues? b. What does this do to real GDP, and what does it do to the price level? c. What does this do to investment spending, and what does it do to net exports? d. What does this do to the money supply, and what does it do to velocity?