The study topic is about Carbon tax in British Columbia in Canada.
it may include :
government usage on personal income tax cut, low income tax credit, corporate income tax credit,
distribution effect within the province BC: how households with different income affected by carbon tax,
heterogenity effects on income or expense of different households,
how additional carbon tax may force firms or capital to move,
and other.
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Some other statistics data analysis would help!
Please make it a study report.