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<div class="maxcode-quote"><b>以下是引用<i>水狗</i>在2008-2-5 8:20:00的发言:</b><br/><p>MASTER的作业写不?</p><p>我又在赶作业</p><p>Consider an industry with two firms, labelled 1 and 2. Firm 1 is located in<br/>Country 1, while Firm 2 is located in Country 2. Let q11 be the quantity sold<br/>by firm 1 at home, and q12 the quantity that firm 1 exports to country 2. The<br/>inverse demand function faced by Firm 1 is then given by<br/>p11 = α − q11 − q21/2 and p12 = α − q12 − q22/2 .<br/>Firm 2 similarly faces the demand functions<br/>p22 = α − q22 − q12/2 and p21 = α − q21 − q11/2 .<br/>The firms incur trade costs only on their export, and the profit functions are<br/>accordingly given by<br/><font style="BACKGROUND-COLOR: #f709c7;">π1</font> = (p11 − c)q11 + (p12 − c − τ )q12 and π2 = (p22 − c)q22 + (p21 − c − τ )q21.<br/>Find the Cournot equilibrium. For which level of trade costs will the firms<br/>start to trade? How do quantities, prices and profit depend on the level of trade<br/>costs? Why is the relationship between profit and trade costs qualitatively<br/>different in this case compared to the solution in (1a)? Explain.</p></div><p></p><img src="/static/legacy-emoticon/Dvbbs/em06.gif" />zhegebiwodezuoyenan |
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