<p>Hi, </p>
<p>it's my first post and the first day to register in this site.</p>
<p>my duaghter is learning miroeconomics by herselves and confused on several concepts at the begining. i am also confused by the books.</p>
<p>could someone hep to explain what's difference between maginal benefit/marginal revenue/marginal value/marginal cost/marginal utility?</p>
<p>my understadning is MB=MR-MC, and when MB=0, the MR=MC and profit maximumed.</p>
<p>but, the book just simply say MB=MR.</p>
<p>too many concepts.</p>
<p>can someone help?</p>