WIC Program:

More Detailed Price and Quantity Data Could Enhance Agriculture's Assessment of WIC Program Expenditures

GAO-06-664: Published: Jul 28, 2006. Publicly Released: Aug 23, 2006.

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The Special Supplemental Nutrition Program for Women, Infants and Children (WIC), authorizes retail grocers, called regular WIC vendors, to provide the food benefit. Recently, some states have seen an increase in vendors called WIC-only vendors, who stock only WIC food and accept only WIC vouchers. Both vendor types accept WIC vouchers in exchange for a cash payment, or redemption, from WIC state agencies with U.S. Department of Agriculture (USDA) grant funds. To determine what effect WIC-only vendors' growth would have on program expenditures, in the absence of recent cost containment legislation, Congress asked GAO (1) what is known about WIC-only vendors' growth and their share of the WIC market in recent years, (2) to what extent do WIC-only and regular WIC vendors differ, and (3) what would WIC-only vendors' contribution to WIC program expenditures have been, if their market share increased. GAO analyzed national WIC vendor data, interviewed WIC state officials about vendors' business practices, and analyzed redemption data from California, Texas and Florida.

The number of WIC-only vendors has tripled since 1999, with growth concentrated in a few states. However, WIC-only vendors' share of the national WIC market was relatively small compared to that of regular WIC vendors in 2004. Nationally, WIC-only vendors increased in number from 394 in 1999 to 1,180 in 2004, but 84 percent of these vendors are in California, Texas, and Florida. Despite their growth, WIC-only vendors accounted for 3 percent of all WIC vendors nationwide, and their market share, that is, their percentage of all WIC redemptions nationally, was on average 6 percent in 2004. Because of limitations in the data, we were unable to calculate annual growth rates or analyze changes in market share over time. WIC-only and regular WIC vendors generally employed different business and marketing practices, largely in response to the two different customer groups they served, according to WIC state agency officials. Because WIC participants are not required to consider retail prices, WIC-only vendors competed for participants' business by emphasizing customer service, which participants seemed to value. On the other hand, regular WIC vendors served non-WIC consumers as well as WIC participants. Because these non-WIC consumers are price sensitive, regular WIC vendors competed for their business based on price and competitors' behavior. An important difference in these approaches was that because WIC participants were not price sensitive, they might choose the service offered by WIC-only vendors, regardless of price. Finally, WIC-only and regular WIC vendors used similar food purchasing practices, because the cost of food purchased for resale is related more to the volume purchased than to the type of vendor purchasing the food. Both WIC-only and regular WIC vendors were able to lower the average cost of food purchased for resale when they bought in volume, according to WIC state agency officials. If WIC-only vendors' market share in 2004 had doubled in California, Texas, and Florida, either about 3 percent--about 136,000--fewer participants could have been served in each state, or program food expenditures would have increased about 3 percent--about $50 million--according to our scenario estimates. The average value of all vouchers redeemed by WIC-only vendors in 2004 was higher than the average value of all vouchers redeemed at regular WIC vendors. Thus, if the number of vouchers redeemed by WIC-only vendors had increased and state food expenditures remained at 2004 levels, fewer vouchers could have been issued, and fewer participants served. Conversely, if the number of vouchers issued remained at 2004 levels, the higher average value of vouchers redeemed at WIC-only vendors would have resulted in increased program expenditures. However, the price and quantity of the individual food items that make up the vouchers were not available to us; therefore we could not determine if the higher average value of vouchers meant that prices for individual food items were higher at WIC-only vendors. Making price comparisons would require food item price and quantity data for both WIC-only and regular WIC vendors, at a minimum.

Status Legend:

More Info
  • Review Pending-GAO has not yet assessed implementation status.
  • Open-Actions to satisfy the intent of the recommendation have not been taken or are being planned, or actions that partially satisfy the intent of the recommendation have been taken.
  • Closed-implemented-Actions that satisfy the intent of the recommendation have been taken.
  • Closed-not implemented-While the intent of the recommendation has not been satisfied, time or circumstances have rendered the recommendation invalid.
    • Review Pending
    • Open
    • Closed - implemented
    • Closed - not implemented

    Recommendation for Executive Action

    Recommendation: To assist WIC state agencies in more effectively monitoring WIC vendors' redemption practices, in implementing the new cost containment requirements, and in analyzing program expenditures, the Secretary of Agriculture should require, if collection of more detailed information on WIC food purchases is cost-effective through electronic benefits transfer implementation, that WIC state agencies collect data on both the price and the quantity of each WIC food item purchased, especially in each state that authorizes WIC-only vendors.

    Agency Affected: Department of Agriculture

    Status: Closed - Implemented

    Comments: The Food and Nutrition Service (FNS), which oversees the Special Supplemental Nutrition Program for Women, Infants and Children (WIC), agrees with this recommendation and is implementing it. Considerable progress has been made, from a national program perspective, in implementing electronic benefits transfer (EBT) systems. Many state agencies have implemented EBT statewide now and more states have EBT planning projects underway. Among those states are the three states with the largest number of WIC-only vendors--California, Texas, and Florida--during the time period covered by our report. Texas has a statewide EBT system and both California and Florida have EBT planning projects. FNS agrees that the collection of data on both the price and food quantity of WIC food items purchased would assist the state agencies in more effectively monitoring WIC vendor's redemption practices, in implementing WIC cost containment requirements, and in analyzing program expenditures. The agency will determine whether it will require WIC food item purchased once WIC EBT implementation reaches a point where collection of that data through EBT is cost-effective. GAO believes that FNS' acknowledgement that collection of data on each item purchased is a major step forward in improving WIC state agencies' accountabilitiy for program costs.

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