1.   In the past, Massachusetts companies were taxed on a combination of all sales, property values and payroll.

2.   The bad news Clinton has pledged to tax foreign companies operating in America more harshly.

3.   In that case, the company is taxed on that income by the country in which the cigarettes are produced, Davies said.

4.   In those cases, the company is taxed on that income by the country in which the cigarettes are produced, he said.

5.   It would change the way such companies are taxed by calculating taxable income solely on in-state sales.

6.   Massachusetts currently taxes companies on a combination of their payroll, property, and sales in the state.

7.   Mexico and Finland signed an accord to end taxing twice companies and individuals doing business in either country.

8.   One of the biggest, he says, is how Vietnam taxes foreign companies.

9.   The hardest problem seems to be settling how much flexibility states should have in taxing large companies that cover their workers.