指揮中心今天宣布,未來實名制口罩將由廠商统一包裝,從現行14天9片增至10片,價格從新台幣45元降至40元,藥局12月31日先行開賣，超商等販售通路明年1月4日起上路。國內武漢肺炎(2019冠狀病毒疾病，COVID-19)疫情平穩,口罩庫存充足,貨源穩定,政府研議放寬實名制口罩片數並降低價格,由廠商統一包裝,...
Excerptsof“[零本土破功】口罩買氣氣飆7倍 國家隊華新將增5產線日多50萬片"(2020/12/23)2...武漢肺炎253天零本土病例破功,許多民眾擔心越冷疫情越嚴重,纷纷開始增加採購口罩數量,原本開始出現口罩滯销的藥局,也再度有不少民眾上門。员林市日信藥局師張维勳說，之前國内疫情趨缓,加上工作量增加,本月17日之前,約有7成藥局因實名制口罩生意不佳停賣或沒有鋪貨,但其藥局昨天突然湧現購買50片盒裝的客人,平常1天约只賣出10盒,但光是昨天就賣出70盒,...(omitted)...口罩國家隊華新醫材公司董事長鄭永柱則表示,因政府將在明年1月1日,全國原本徵收每日400萬片,將增加到600萬片,因此該公司原有20條產線,日產約100萬片、提供實名制口罩為20萬到30萬片 、該公司將增加到25條產線,日總量提升至150萬片。
1.張茗喧、陳偉婷，中央社:https://www.cna.com.tw/news/firstnews/202012095005.aspx
2.鄧惠珍、蘋果日報:htps://w.appledaily.com/life/20201223/6HLAMAKLEBAYZIPDVVELRZZAAI/
11. (5%) Use the midpoint method to calculate the percentage change in unit price and total expropriation quantity forfacial masks before and after January 1, 2021, and then use your answers to calculate the elasticity of demand,assuming the total amount expropriated by the Taiwanese government is the actual quantity demanded for eachprice, holding other things equal. Which of these statements are true?
(A)The percentage change in unit price has a magnitude smaller than 20%.
(B)The percentage change in total expropriation quantity for facial masks is greater or equal to 40%.
(C) The elasticity of demand for facial masks has a magnitude smaller than 2.
(D) The demand for facial masks is inelastic.
(E) None of the above.