<P> </P>
<P>the author is Willard F. Mueller</P>
<P>The paper is "Food Industry Structure and Performance"</P>
<P>the Journal is "American Journal of Agricultural Economics"(Nov., 1979)</P>
<P><BR></P>
<P> </P>
<P>author is Joseph J. Spengler</P>
<P>the paper is "economics of safety"</P>
<P>journal is "law and contemporary problems"</P><BR><BR><BR>
<P> </P>
<P><BR>author is Tanya Roberts and David Smallwood</P>
<P>paper is "data need to address economic issues in food safety"</P>
<P>journal is "American Journal of Agricultural Economics"(Aug., 1991) <BR></P>
<P align=right><FONT color=#000066>[此贴子已经被dreamdiy于2006-4-25 15:05:30编辑过]</FONT></P>