1) Graphs such as bar graphs and pie charts are limited in that they
a.can only show variables that are positively related.
b.can only show variables that have a negative correlation.
c.provide information on only one variable.
d.provide information on no more than two variables.
2)
Consider the production possibilities frontier for an economy that produces only sofas
and cars. When society moves from point A to point B,
a.the opportunity cost is the same as when society moves from point B to point C.
b.it is giving up cars to get sofas.
c.the opportunity cost is increasing.
d.it moves from an inefficient point to an efficient point.
3) Political leaders are always aiming for an optimal combination of efficiency and
equality.
a.True
b.False
4) One reason that private solutions to externalities do not always work is that
a.government intervention negates the benefits of positive externalities.
b.some people benefit from externalities.
c.interested parties incur costs in the bargaining process.
d.charities are not well organized.