[sseveran]

A lot of papers use data from a few sources which are typically available to universities. Also a surprising (maybe not?) scrape data themselves. That being said as someone who was involved in paper replication and investigation there is not enough time to implement substantive papers in that time frame.

[gillesjacobs]

Exactly, I work in the field of text mining financial news and have replicated parts of studies and 7 months for 130 papers is impossible.