Tax harmonization

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Taxation
An aspect of fiscal policy
Policies Government revenue Property tax equalization Tax revenue Non-tax revenue Tax law Tax bracket Flat tax Tax threshold Exemption Credit Deduction Tax shift Tax cut Tax holiday Tax amnesty Tax advantage Tax incentive Tax reform Tax harmonization Tax competition Tax withholding Double taxation Representation Unions Medical savings account
Economics General Theory Price effect Excess burden Tax incidence Laffer curve Optimal tax Theories Optimal capital income taxation Distribution of Tax Tax rate Flat Progressive Regressive Proportional
Collection Revenue service Revenue stamp Tax assessment Taxable income Tax lien Tax refund Tax shield Tax residence Tax preparation Tax investigation Tax shelter Tax collector Private tax collection Tax farming
Noncompliance General Tax avoidance Repatriation tax avoidance Tax evasion Tax resistance Tax shelter Debtors' prison Smuggling Black market Unreported employment Corporate Tax inversion Transfer mispricing Base erosion and profit shifting (BEPS) Double Irish Dutch Sandwich Single Malt CAIA Locations Tax havens Corporate havens Offshore financial centres (OFCs) Offshore magic circle Conduit and sink OFCs Financial centres Financial Secrecy Index Major examples Ireland as a tax haven Ireland v. Commission Leprechaun economics Liechtenstein tax affair Luxembourg Leaks Offshore Leaks Paradise Papers Panama Papers Swiss Leaks United States as a tax haven Panama as a tax haven
Types Direct Indirect Per unit Ad valorem Aviation Airport improvement Landing Solidarity Capital gains Expatriation Consumption Departure Hotel Sales Stamp Television Tourist Value-added Dividend Environmental tax Carbon Eco-tariff Landfill Natural resources consumption Severance Steering Stumpage Excise Alcohol Cigarette Fat Meat Sin Sugary drink Tobacco General Georgist Gift Gross receipts Hypothecated Income Inheritance (estate) Land value Luxury Payroll Pigouvian Property Resource rent Single Surtax Turnover Use User charge/fee Congestion Fuel Road/GNSS Toll Vehicle miles traveled Corporate profit Excess profits Windfall Negative (income) Wealth
International Financial transaction tax ATTAC Currency transaction tax European Union Common Consolidated Corporate Tax Base (CCCTB) Global minimum corporate tax rate Robin Hood tax Tobin tax Spahn tax Tax equalization Tax treaty Exchange of Information Permanent establishment Transfer pricing European Union FTT Foreign revenue rule
Trade Custom Duty Tariff Import Export Tariff war Free trade Free-trade zone Trade agreement ATA Carnet
Research Academic Mihir A. Desai Dhammika Dharmapala James R. Hines Jr. Ronen Palan Joel Slemrod Gabriel Zucman Advocacy groups Institute on Taxation and Economic Policy (ITEP) Oxfam (UK) Tax Foundation (US) Tax Justice Network (TJN) Tax Policy Center (US)
Religious Church tax Eight per thousand Teind Tithe Fiscus Judaicus Leibzoll Temple tax Tolerance tax Jizya Kharaj Khums Nisab Zakat
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Tax harmonization is generally understood as a process of adjusting tax systems of different jurisdictions in the pursuit of a common policy objective. Tax harmonization involves the removal of tax distortions affecting commodity and factor movements in order to bring about a more efficient allocation of resources within an integrated market. Tax harmonization may serve alternative goals, such as equity or stabilization. It also can be subsumed, along with public expenditure harmonization, under the broader concept of fiscal harmonization. Narrowly defined, tax harmonization guided by this policy goal implies — under simplifying assumptions about other policy instruments and economic structure — convergence toward a more uniform effective tax burden on commodities or on factors of production. Convergence may be attained through the alignment of one or several elements that enter the determination of effective tax rates: the statutory tax rate and tax base, and enforcement practices. Perhaps the most widely accepted argument for harmonization involves convergence in the definition of product value or income for tax purposes. Such tax base harmonization would contribute to transparency for economic decision-making and, thus, to improved efficiency in resource allocation. In particular, a common income tax base for multinational companies operating in different jurisdictions would be instrumental not only in enhancing efficiency, but also in preventing overlaps or gaps in tax claims by different countries.^[1] Tax harmonization is an important part of the fiscal integration process. Fiscal integration is the process by which a group of countries agree on taking measures that lead to a higher level of fiscal convergence, the ultimate goal being the formation of a fiscal union. Tax harmonization doesn't automatically lead to the formation of a fiscal union, the second part involving much larger scale project that includes fiscal transfers, a fully harmonized legislation and maybe some supervising institutions, beside a long-run agreement. Starting from the definition given to the fiscal integration process, we can easily say that tax harmonization is the process by which a heterogeneous group of countries, federal states or even local governments agree on setting a minimum and maximum level of their tax rates, including also a higher degree of harmonization of tax legislation, in order to attract foreign investors and to encourage local development and investments.^[2]