Taxation 22 Tax collection. Taxpayer compliance 19 tax system 18 Malaysia 17 Tax avoidance 15 pollution tax 15 Economics 12 environmental economics 11 Development economics and emerging economies 8 Income tax 8 Political economy 8 climate change 8 Law 7 Public finance and taxation 7 Research & information: general 7 Revenue. Taxation. Internal revenue 7 Tax compliance 7 United States 7 tax 7 Media studies 6 Media, information & communication industries 6 Tax accounting 6 Tax legislation 6 carbon emission 6 Accounting. Bookkeeping 5 China 5 Politics & government 5 Tax assessment 5 Tax evasion 5 Tax incentive 5