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ANIMAL PRODUCTS |
* Departments of Animal Sciences,
and
Agricultural and Resource Economics, and
and
Statistics, Colorado State University, Fort Collins 80523
1 Correspondence—phone: 970-491-6530; fax: 970-491-0278; e-mail: dtatum{at}lamar.colostate.edu.
Experimental economic procedures were used to measure the effects of changes in marbling score and Warner-Bratzler shear force (WBSF) value on consumer purchasing behavior and willingness to pay for beef strip loin steaks (n = 541). Consumers were more likely to bid on a steak during the experimental auction if the steak had a high marbling score or low WBSF value. Averaging across all consumers in the study (n = 489), the predicted odds that consumers would submit a nonzero bid were favorable for steaks with a marbling score greater than Modest50 or a WBSF value less than 3.9 kg. Bid prices for steaks were analyzed with respect to changes in steak marbling score, WBSF value, quality grade marketing category classification (Select, Low Choice, Premium Choice, and Prime), and WBSF marketing category classification (very tender, 
3.4 kg; slightly tender, 3.41 to 4.40 kg; slightly tough, 4.41 to 5.40 kg; or very tough, > 5.40 kg). The percentage of bids that were zero was highest (P < 0.05) for Select steaks, intermediate (P < 0.05) for Low Choice steaks, and lower (P <0.05) for Premium Choice or Prime steaks. Steaks in the very tender category had the lowest (P < 0.05) percentage of zero bids, and steaks in the slightly tough and very tough categories had the highest (P < 0.05) percentage of zero bids submitted from "buyers" in the auction. Premium Choice and Prime steaks were valued higher (P < 0.05) than Select steaks by consumers. On average, Premium Choice steaks received a $0.89/kg premium, and Prime steaks received a $2.47/kg premium over the mean bid price for Select steaks. Predicted mean bid prices for steaks decreased by $1.02/kg for each 1 kg increase in WBSF value. On average, steaks in the very tender marketing category received a higher (P < 0.05) bid price than the bid price for steaks in the slightly tender, slightly tough, and very tough categories (+$0.83/kg, +$2.09/kg, and +$2.55/kg, respectively). Mean bid prices for steaks from the slightly tough and very tough categories did not differ (P = 0.184). Compared with the mean bid price for steaks in the slightly tender category, steaks from the slightly tough and very tough categories were discounted (P < 0.05) by $1.26/kg and $1.72/kg, respectively. Results suggest that marbling score and WBSF influence both the probability that consumers will purchase and the price they are willing to pay for strip loin steaks.
Key Words: Beef • Marketing • Prices • Quality • Tenderness • Valuation
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