Tax Thy Neighbour: Corporate Tax Pass-through into Downstream Retail Prices in a Monetary Union
Abstract
We estimate the response of good-level retail prices to changes in corporate tax rates(pass-through) to wholesale producers. Under perfect competition in goods and factor
markets, pass-through should be zero. We use variation in corporate tax rates across
time and space in Germany, where corporate tax rates are set at the municipality level
once a year. Between 2013 and 2017, every year about 14% of all municipalities have
changed their local tax rate. We leverage this fine-grained local variation in tax rates to
provide estimates of pass-through that control for macroeconomic conditions. We find
that the pass-through of local corporate taxes to retail prices of goods exported and
sold in other locations is about 50%. Namely, a 1 percentage point increase in corporate
taxes results in a 0.5% increase in the retail prices of goods produced by firms bearing
the local tax, and exported to other locations in the German currency area.