Questions on Reading Reading: 1. What is the goal or central research question in this paper? 2. What was the main finding? 3. Was the "causal effect" of the voucher program identified? What is the meaning of "ceteris paribus" in this case? 4. Did the voucher program have the intended effect? Why or why not? Burtless, G. (1985). Are targeted wage subsidies harmful? Evidence from a wage voucher experiment. ILR Review, 39(1), 105-114.