While leasing itself doesn't lead to farming inefficiency, some of the arrangements which have become customary over time do. These "imperfections" need to be corrected; they can be by keeping lease arrangements flexible.
Heady, Earl O. and Kehrberg, Earl W.
"Is Your Lease Up to Date?,"
Iowa Farm Science: Vol. 7
, Article 3.
Available at: https://lib.dr.iastate.edu/farmscience/vol7/iss8/3