According to Intermediate Public Economics by Hindriks and Myles, Chapter 9, Sections 9.5-9.6 and Chapter 15, Sections 15.1-15.4.

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1)Using your own words, explainwhy being inelastic implies carrying a bigger tax burden.

2)Given the very different levels of sales taxes across the U.S., doesn't this imply a considerable distortion of competition?

3)How could you criticize Krugman's explanation of the 2008 pre-election debate on gasoline taxcut?