參考圖三的經濟周期。指出 A點所在位置屬於經濟周期中哪一個時期。除了有關該時期
實質本地生產總值增長率的描述外，舉出三項在該時期出現的一般經濟現象。---圖三
**Chart Description:**
* **Type:** Line chart with two data series plotted against time.
* **Axes:**
* Y-axis is vertical, labeled "實質本地生產總值增長率" (Real GDP Growth Rate). It has a labeled point at 0.
* X-axis is horizontal, labeled "年" (Year). It extends to the right with an arrow indicating increasing time.
* **Lines/Curves:**
* There is a straight line with a slightly positive slope, labeled "長期增長率" (Long-term Growth Rate).
* There is a fluctuating, wavy curve, representing the real GDP growth rate over time, oscillating above and below the long-term growth rate line and the 0 line.
* **Points:**
* There is a point labeled "A" marked with an asterisk (*) on the fluctuating curve, below the 0 line.