Coveting Thy Neighbor's Manuafacturing: The Dilemma of State Income Apportionment / Austan Goolsbee, Edward L. Maydew.

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Goolsbee, Austan

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Material type: Text

TextSeries: Working Paper Series (National Bureau of Economic Research) ; no. w6614.Publication details: Cambridge, Mass. National Bureau of Economic Research 1998.Description: 1 online resource: illustrations (black and white)Online resources:

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Abstract: This paper investigates the economic impact of the apportionment formulae used to divide corporate income taxes among the states. Most apportionment formulae, by including payroll, turn the state corporate income tax at least partially into a payroll tax. Using panel data from 1978 - 1994, the results show that this distortion has an important effect on state-level employment. For the average state, reducing the payroll weight from one-third to one-quarter increases manufacturing employment around 3% and the result is highly robust. The results also indicate that apportionment changes have important negative externalities on other states in that the effects of the apportionment formula on aggregate employment is zero. Every job gained within a state from an apportionment change is taken from another state. This externality suggests that the U.S. would be better off if the apportionment formula were set at a federal level. The paper also shows that because the payroll component of the tax is administered on top of the existing payroll tax, the deadweight loss from this component of state corporate income taxation may be significant, despite the low tax rates.

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Item type	Home library	Collection	Call number	Status	Date due	Barcode	Item holds
Working Paper	Biblioteca Digital	Colección NBER	nber w6614 (Browse shelf(Opens below))	Not For Loan

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June 1998.

This paper investigates the economic impact of the apportionment formulae used to divide corporate income taxes among the states. Most apportionment formulae, by including payroll, turn the state corporate income tax at least partially into a payroll tax. Using panel data from 1978 - 1994, the results show that this distortion has an important effect on state-level employment. For the average state, reducing the payroll weight from one-third to one-quarter increases manufacturing employment around 3% and the result is highly robust. The results also indicate that apportionment changes have important negative externalities on other states in that the effects of the apportionment formula on aggregate employment is zero. Every job gained within a state from an apportionment change is taken from another state. This externality suggests that the U.S. would be better off if the apportionment formula were set at a federal level. The paper also shows that because the payroll component of the tax is administered on top of the existing payroll tax, the deadweight loss from this component of state corporate income taxation may be significant, despite the low tax rates.