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<P>发表在美国农业经济学期刊上，１９８０年</P>
<P>作者Ｄouglas W. MacNiel</P>
<P>题目：　Economic Welfare and Food Safety Regualtion: the Case of Mechanically Debonned Meat</P>
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<P><BR>Published in American Journal of Agriultural Economics, 1996</P>
<P>the author is Laurian J. Unnevehr</P>
<P>Ｔhe paper is "the benefits and costs of food regualtion : discussion"</P>