1 . In the long run, the Phillips curve will be vertical at the natural rale of unemployment if
(A) the long-run aggregate supply curve is vertical at potential GDP.
(B) the long-run aggregate demand curve is vertical at potential GDP,
(C) the long-run aggregate supply curve is horizontal at potential GDP.
(D) the long-run aggregate demand curve is horizontal at potential GDP.

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2. Suppose that the productivity of workers increases with the wage rale. As a result, firms choose to hold wages above Ihe market-clearing rate. This example is consistent with the (A) explicit contract explanation of unemploynienl. (B) social contract explanation of unemployment. (C) efficiency wage explanation of unemployment. (D)relalive-wage explanation of unemployment.

3. Which of the following statement is FALSE? (A) According to classical economists, the people who are not working are those who have chosen not to work at the market wage. (B) Classical economists believe that the labor market will achieve the optimal result if left to its own devices, and there is nothing the government can do to make things better. (C) Classical economists saw the workings of the labor market as optimal from the standpoint of both individual households and firms. (D)The classical view of the labor market is consistent with a horizontal AS curve.

複選題4. The size of the "crowding out” effect depends on several things, including (A) the composition of the government budget. (B) the sensitivity of investment spending lo changes in the interest rale. (C) the structure of t|ie personal income tax code. (D) the size of the government spending multiplier.

5. If the government responds to a cost shock, that increased costs, by using expansionary fiscal policy, then (A) the level of output falls even more than it would have without the policy action. (B) the economy moves back to the output and price levels that existed before the cost shock. (C) both output and the price level fails even more than they would have without the policy action. (D) the price level increases even more than it would have without the policy action.

1.採用波繞繞組之六極直流發電機，其兩碳刷間之並聯電路數為何？ (A)2 (B)4 (C)6 (D)8

2.兩部額定伏安數不同之三相變壓器並聯時，下列何項條件錯誤？ (A)各變壓器的相序必須相同 (B)各變壓器的阻抗必須相等 (C)各變壓器的電壓比必須相等 (D)各變壓器的極性必須一致