The IEB research program in Tax Systems Analysis aims at promoting high quality research in the field of taxation, taking into account not only the traditional approach to optimal taxation, but also administrative issues and the decentralization or globalization context. The ultimate aim of the program is to generate socially useful knowledge in this field. Special emphasis is put on empirical research, and on the analysis of the Spanish Tax System. The program enjoys the support from the IEB-Foundation. The IEB working papers represent ongoing research that is circulated to encourage discussion and has not undergone a peer review process. Any opinions expressed here are those of the author(s) and not those of IEB.
IEB Working Paper 2017/10 THE ELASTICITY OF TAXABLE INCOME:A META-REGRESSION ANALYSIS *
Carina NeisserABSTRACT: The elasticities of taxable (ETI) and broad income (EBI) are key parameters in optimal tax and welfare analysis. To examine the large variation in estimates found in the literature, I conduct a comprehensive meta-regression analysis of elasticities that measure behavioral responses to income taxation using information from 51 different studies containing 1,420 estimates. I find that heterogeneity in reported estimates is driven by regression techniques, sample restrictions and variations across countries and time.Moreover, I provide descriptive evidence of the correlation between contextual factors and the magnitude of an elasticity estimate. Overall, the study confirms the fact that the ETI itself is endogenous to the underlying tax system. I also document that selective reporting bias is prevalent in the literature. The direction of reporting bias depends on whether or not deductions are included in the tax base.JEL Codes: C81, H24, H26