If Xt and Yt are cointegrated, then the OLS estimator of the coefficient in the cointegrating regression is

If the _______ differ between two countries, this suggests the possibility for mutually advantageous trade.

A) opportunity costs B) marginal costs C) absolute costs D) fixed costs

Assume that Abby, Ben, and Clara are the only citizens in a community. A proposed public good has a total cost of $1000. All three citizens will share an equal portion of this cost in taxes. The benefit of the public good is $400 each to Abby, Ben, and Clara. In a majority vote, this proposal will most likely be:

A. Accepted; the public good is produced even though it is economically inefficient B. Defeated; the public good is not produced even though it would have been efficient to do so C. Accepted; the public good is produced which is economically efficient D. Defeated; the public good is not produced, which is the proper outcome