As of 2017, Italy’s top tax rate of 55% was lower than the country’s Laffer curve peak (70%). To some economists, whether a tax cut will ultimately increase Italy’s tax revenue is dependent on the country’s position on the Laffer __________ a theoretical relationship between tax rates and revenues, the curve was famously sketched on a napkin by economist Arthur Laffer in 1974.
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Verbal·Standard English Conventions·Boundaries
mediumWhich choice completes the text so that it conforms to the conventions of Standard English?
A
curve
B
curve;
C
curve, which is
D
curve,