>Do you have research, or an evidence base, for this?
Economics by Paul Samuelson: https://archive.org/details/economics00paul/page/603
Do you have research that indicates the opposite is likely to be true? I'd be really interested in seeing what that is based upon.
>It certainly was not.
It's not unusual among for economists to do this subconsciously due to the incentive structure of the profession.
Try here (starting on page 39). Whether it answers your question - I have no idea. It was part of the research commissioned by the Inquiry to inform its work. The Inquiry's terms or reference were to review options for local government funding streams; LVT was one option among many.
[Links to PDF] https://www.webarchive.org.uk/wayback/en/archive/20070411120...
It might have not been directly funded by landlords but it might have been approved for publishing with the same motives as opposed to the other studies which came to opposite conclusions.
It was an Inquiry into the role, functions and funding of Local Government in England. Landlords no doubt had a stake in the Inquiry's conclusions but then so did everybody else living and working in England at the time (not least central, and local, governments).
Do you have research, or an evidence base, for this?
> [...] it certainly was being run on behalf of landlords.
It certainly was not.