"This paper combines a natural policy experiment and randomized lab experiments to estimate the differential impacts of counterfeiting on the sales and purchase intent of branded products of various quality levels. I collect new product-line level panel data from Chinese shoe companies from...

The existence of formal IPR laws can be considered a prerequisite for having efficient law enforcement but does not imply efficient enforcement in itself. A simple model is constructed to explain the interplay between the IPR law and human behavior within counterfeiting countries. It shows how a...