This is probably the working paper version: https://www.econstor.eu/bitstream/10419/168336/1/896597164.pdf https://www.econstor.eu/bitstream/10419/168336/1/8965

This is probably the working paper version: https://www.econstor.eu/bitstream/10419/168336/1/896597164.pdf https://www.econstor.eu/bitstream/10419/168336/1/896597164.p... It's pretty unusual in economics to not circulate your article publicly. The published version is usually just a more boring version of the working paper. (I didn't compare to the published version here, so I don't know if it's the case.)