1.
a tax or duty to be paid on a particular class of imports or exports
2.
a charge usually of money imposed by authority on persons or property for public purposes
3.
differences across the units being studied
4.
act of voluntarily trading goods or services between people
5.
statistical technique that measures the relationship between a variable and other variables that are thought to explain it
6.
the logarithm of the odds of the probability p of a certain event occurring
7.
rate at which prices for goods and services increase over a period of time
8.
a linear relationship between two explanatory variables
9.
the amount of an asset or resource that exceeds the portion needed and used
10.
effect of an independent variable on a dependent variable is difficult to interpret because of omitted causes
