NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

Tuomas Kosonen

VATT
Arkadiankatu 7
P.O.Box 1279
00101, Helsinki
Finland

E-Mail: tuomas.kosonen@labour.fi

NBER Working Papers and Publications

September 2017What Goes Up May Not Come Down: Asymmetric Incidence of Value-Added Taxes
with Youssef Benzarti, Dorian Carloni, Jarkko Harju: w23849
This paper shows that prices respond more to increases than to decreases in Value-Added Taxes (VATs). First, using all VAT reforms from 1996 to 2015 across all European countries we show that prices respond 3 to 4 times more to VAT increases than decreases. Second, using a plausibly exogenous VAT reform, we show that the asymmetry persists over several years. Third, we document several empirical features of this asymmetry that are inconsistent with the standard incidence model. We provide evidence consistent with firm behavior driving the asymmetry.
October 2012The Impact of Tax Incentives on the Economic Activity of Entrepreneurs
with Jarkko Harju: w18442
Based on existing evidence, we know little about how the taxation of small business owners affects their economic activity. This paper studies the effect of two Finnish tax reforms, in 1997 and 1998, on the effort decisions of the owners of small businesses utilizing both theoretical model and empirical data. The reforms reduced the income tax rates of small business owners and applied only to unincorporated firms, leaving corporations out. We use a difference-in-differences strategy to estimate the causal impact of tax incentives on the economic activity of small businesses. The results imply that lighter taxation leads to an increase in the turnover of firms that we interpret as an increase in effort exerted by their owners.
 
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