Can you make more profits from your laying hens by putting them in cages? That's a "package" question. Unfortunately, we can't give a neatly packaged answer. The best general answer is that "it depends." A more specific answer depends on you and your individual situation.
Walther, P. R. and Eggleton, L. Z.
"Keep Layers in Cages?,"
Iowa Farm Science: Vol. 12
, Article 3.
Available at: https://lib.dr.iastate.edu/farmscience/vol12/iss2/3