Can We Rely Upon Fiscal Policy Estimates in Countries with Unreported Production of 15 Percent (or More) of GDP?
Ministry of Economy and Finance, Department of the Treasury, Economic and Financial Analysis and Planning Directorate
University of Naples, Parthenope
University of Naples Parthenope - Department of Economic Studies (DES)
March 28, 2012
Government of the Italian Republic (Italy), Ministry of Economy and Finance, Department of the Treasury Working Paper No.1
This paper analyzes the effects of fiscal policy in Italy by employing a database containing two statistical novelties: quarterly fiscal variables on accrual basis and a time series estimate of tax evasion for the period 1981:1-2006:4. Following Revenue Agency suggestions, we use in a VECM the time series of the concealed VAT base as a proxy for the size of “unreported production”, and define a regular GDP measure constructed as GDP net of government expenditure and evaded VAT base. The results reveal that we cannot rely upon the estimates of fiscal policy multipliers in countries with a sizeable unreported production unless the dynamics of the hidden and regular components of the GDP are disentangled. Changes in public spending and the tax rate generate a reallocation from underground to the regular economy which contributes to obscure the spending and tax effect on total GDP. In this setup the spending multiplier shows large long-run effects, considerably stronger than those registered in a model with no attention paid to unreported production. The drop in regular output, after an increase in the effective tax rate, tends to be considerable after one year, producing long-lasting effects and a significant increase in unreported production and tax evasion.
Number of Pages in PDF File: 59
Keywords: fiscal policy, VECM, fiscal multipliers, unreported GDP, tax ratio, effective tax rate
JEL Classification: C32, E62, H26, H62Accepted Paper Series
Date posted: April 1, 2012 ; Last revised: July 31, 2012
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