Hi,
thank you so much for your kind words and appreciation.
However, would be difficult to scheme this collection in a different level of difficulty because what for me is easy for you could result in a tough reading.
In general, all the reding you find in this folder is in the mid/upper level but towards the upper side of the story.
Not only that, you do have tons of passages you are looking for: just go into the Freeman folder or the official University of Chicago Booth Magazine: this is a really good article from the latter "THE PRESENT AND FUTURE VALUE OF BACKWARD-LOOKING EMOTIONS".
As for the Economic passages, I do think that Monetary Nationalism and International Stability by Hayek above is a perfect fit. Is not it ??
People often take a stop to one or two PDFs/Folders they do not go deeper in what I share. And this is a bit of a shame. I infuse so much work to gather all these and share to the gmatclub students.
At the end of the day, it is not a big deal. No problem

it is just a matter of will.
keep in mind that even though you read only business passages, for instance, this as it turns out will improve your skills also in other types of RC because your Standard English will improve as a whole. That is the key to bear in mind.
I hope all this to say is to help you.
Regards