This piece points out that US gas prices went from $3.48 per million BTU in the seven years before LNG exports were permitted in 2016, to $3.37 in the seven years following that.
Fine. But the studies don't say by how much more the price would have fallen *without* the exports. Also the piece points out that exports caused huge spikes in gas prices when extreme weather disasters hit.
https://www.ft.com/content/cf2ad4c7-a041-4f26-b0f2-e7715be2db2d