This paper analyzes the consequences of radical patent-regime change by exploiting a natural experiment: the forced adoption of the Prussian patent system in territories annexed after the Austro-Prussian War of 1866. Compared to other German states, Prussia granted patents more restrictively by...

This paper finds that the shift from buying music as a physical product towards subscribing to music services implies a decrease of 85 percent in the price paid per song. We estimate that in 2019 the global quality adjusted value from streamed music was $76 billion compared to current revenues...