Write the meaning of each of the following terms without referring to the book (or your notes), and compare your definition with the version in the text for each.

a. Double-log functional form

b. Elasticity

c. Interaction term

d. Intercept dummy

e. Lag

f. Linear in the coefficients

g. Linear in the variables

h. Log

i. Natural log

j. Polynomial functional form

k. Semilog functional form

l. Slope dummy