Jayson Lusk Discovers Major Misconception In What Consumers Know About Hormone Use In Animal Ag Production (May 19, 2016)
The latest FOOD Demand Survey as produced by Dr. Jayson Lusk and his team in the Ag Economics Department in the Division of Agriculture at Oklahoma State University is out- and some interesting facts about what consumers believe in how animals are raised have surfaced.
According to Dr. Lusk in his blog on the latest survey, the major Ad Hoc question had to do with hormone use in meat production in the US.
Dr. Lusk writes "For the ad-hoc questions, we delved into consumers' beliefs about the use of added growth hormones in livestock and poultry production. 
"First, participants were asked: “What percentage of the following types of farm animals in the United States are given added hormones to promote growth and muscle development?”. The average answers were 60% for beef, 54% for pork, and 55% for broiler chickens. These answers are quite wrong.
"Virtually all feedlot cattle in the US are given added growth hormones but NONE of the hogs or broiler chickens are given added hormones. Fewer than 2% of respondents knew this last fact. That is, 98% of respondents incorrectly think hormones are used in pork and chicken production. 
"What impacts might these false beliefs have? As it turns out, the impacts are non-trivial. For example, consumers' responses to our initial choice questions that are used to derive WTP for each of the meat cuts depend on consumers perceptions about the prevalence of hormone use. The larger the fraction of animals a consumer believes receives hormones, the less they're willing to pay for meat from that type of animal. Here's a quick analysis I ran asking the question: how would consumers' WTP change if they went from having the current average level of false beliefs to knowing the truth? 
"The "Willingness to Pay" for ground beef and steak would fall (because more cattle are given hormones than most people think) and WTP for pork and chicken would increase (because none of these animals are given added hormones despite the fact people think they are). What this suggests is that demand for pork and chicken is depressed by false beliefs.
"We can also see the impact of these sorts of false beliefs in a different way. Participants were asked a second ad-hoc question on the survey: “If you walked into your local grocery store and saw a package of meat with the label ‘no added hormones’, what is the highest premium you would be willing to pay for the following meats with this label over meats without this label?
"On average, respondents said they were willing to pay premiums between $1 and $2 for each of the meat cuts for ‘no added hormones.” 
T"he highest was for steak ($2.14/lb) and the lowest was for deli ham ($1.32). Of
course, paying a premium for chicken or pork labeled ‘no added hormone’ is superfluous because all pork and chicken production avoids the use of added growth hormones.
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