Conventional estimates of the impact of taxes on investment may be seriously biased by measurement error in the cost of capital. The existence and size of such error, however, has not been documented. Using panel data on different types of capital equipment, this paper provides direct evidence of measurement error in the tax component of the cost of capital, accounting for about 20 percent of the tax term's variance. Correcting for the error with IV estimation shows that taxes significantly affect both prices and investment and that conventional results may be off by as much as a factor of four.
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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number
7558.
Length: Date of creation: Feb 2000 Date of revision: Handle: RePEc:nbr:nberwo:7558
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Find related papers by JEL classification: E62 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Fiscal Policy C23 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Models with Panel Data
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