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In a competitive environment, the diesel fuel tax study in the US finds the cost of this reduced ability to evade tax is passed on to consumers in the form of higher prices.
In a competitive environment, the diesel fuel tax study in the US finds the cost of this reduced ability to evade tax is passed on to consumers in the form of higher prices.

OECD Study Compares Role of Businesses in Tax System

Overall, the OECD working paper finds that workers bear the cost of taxes on labor income, though the costs are sometimes shared with others in the economy, and the level of sharing depends on the sector and the design of the tax

OECD Study Compares Role of Businesses in Tax System

A new study provides a robust discussion of the economic incidence of business taxes, emphasizing that business tax burdens are allocated across consumers, workers, capital owners, and other actors in the economy.

The study, by Anna Milanez of the Organization for Economic Cooperation and Development, quantifies the amount of taxes businesses are legally obligated to pay and remit, which in the US totals 93.1% of government tax collections, but stresses that others in the economy bear a substantial portion of that burden, Tax Foundation reported.

The paper specifically discusses how the degree to which a tax burden can be shifted varies depending on the type of tax levied and on who is responsible for remitting the tax to the government, as well as other market factors.

Corporate Income Tax

Economists generally agree that at least some share of corporate income tax costs are passed on to workers in the form of lower wages. Because corporate income taxes reduce returns on investment, firms have less incentive to invest and, in turn, demand less capital and labor. This reduced level of demand translates into lower returns for capital owners and for workers.

The most robust studies reviewed by Milanez find a minimum 30%, and up to 70%, of the economic burden of the corporate income tax is shifted to labor in the form of lower wages.

Taxes on Wages

Businesses collect and send several taxes on wages to the government. These include withholding individual income taxes on wages, social security contributions, and other payroll taxes, all generally considered to be borne entirely by workers through lower wages.

Notably, evidence shows in some cases wages can be reduced by amounts larger than the tax being levied. For example, one study reviewed in the OECD working paper found that a 1% increase in payroll tax rates was associated in some instances with a wage reduction between 1.7 and 3.4%.

However, this point does not always hold for certain payroll taxes, such as those supporting unemployment insurance or workers compensation, because they may be partially shifted to consumers or capital owners instead of workers.

One study that Milanez cited examined sector-level data and found negative impacts of general payroll taxes on wages, but small, positive wage effects in some sector-specific cases.

Overall, the OECD working paper finds that workers bear the cost of taxes on labor income, though the costs are sometimes shared with others in the economy, and the level of sharing depends on the sector and the design of the tax.

Value-Added and Retail Sales Taxes

Most of the studies reviewed in the working paper reveal that consumption tax increases are fully passed on to consumers. But, in cases where firms have market power, evidence shows that they can over-shift tax burdens to consumers in amounts larger than the tax itself.

For example, Milanez cites a study of cigarette prices in the United States, which found that a $1 increase in per-pack taxes amounted to a $1.074 increase in prices. The variation in tax burden depends on several factors, including market structure, time, location, and type of product, with most evidence indicating that consumers bear the full burden of consumption taxes.

Legal Remittance Responsibility

The question of how tax burdens vary with who is responsible for collecting and then sending tax revenue to the government has received little research attention because historically, economists have assumed remittance responsibility to be an irrelevant factor. Countering this once-accepted idea is new evidence that shows changes in who collects and remits a tax can affect economic incidence.

A study of diesel fuel taxes in the United States has shown that reassigning who is responsible for legal remittance can enable a larger share of the cost of a tax to be shifted to consumers. As explained in the OECD working paper, reassigning remittance responsibility up the supply chain results in fewer businesses collecting and remitting the tax revenue, which makes tax evasion more difficult.

In a competitive environment, the diesel fuel tax study finds that the “cost” of this reduced ability to evade tax will be passed on to consumers in the form of higher prices. Together, these findings underscore that no analysis is complete by merely considering the immediate, legal incidence of a particular tax policy.

So, even though United States businesses pay, collect, and remit 93.1% of total government revenues, it is imperative to recognize it is others in the economy who bear a substantial portion of that tax burden.

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