Retail trade is an example of

When determining an appropriate congestion tax, economists would use which of the following elements of the economic way of thinking?

A) thinking at the margin B) making assumptions C) isolating variables D) all of the above

Starting from long-run equilibrium at point A, which of the following points would occur immediately following an unanticipated decrease in stock prices?

a.
A
b.
B
c.
C
d.
D