united states department of agriculture economic research service agricultural report no 575 developing an integrated information system for the food sector alden manchester by commodity economics division us abstract which integrates measures prices quantities and values provides more about many developments in than a that separately or author has developed such his allows greater understanding sources outlets purchasers productivity marketing keywords expenditures sales washington dc 20005 4788 august 1987 additional copies this can be purchased from superintendent documents government printing office 20402 ask aer write to above address price ordering instructions faster call gpo order desk at 202 783 3238 charge your purchase visa mastercard choice deposit account 25 percent bulk discount is