Applying a framework of perfect competition under uncertainty, we contribute to the discussion of whether or not ad valorem taxes and specific taxes are equivalent. While this equivalence holds without price uncertainty, we show that ad valorem taxes and specific taxes are almost never...

We explore the Alchian–Allen effect–that is, the effect of an absolutely equal increase in the price of two goods on their demand ratio–for conditional (viz. short-run) and unconditional (viz. long-run) demand functions. We show that the Alchian–Allen effect for unconditional demand...