中國出口數據嚴重造假(有數據為證) - 股票QA
By Jacob
at 2023-04-20T10:49
at 2023-04-20T10:49
Table of Contents
※ 引述《dolphin22022 (Yosi)》之銘言:
: 最近我發現中國出口數字和台商朋友感受落差實在太大,加上台灣越南等出口大國都在兩
: 位數衰退,身為供應鏈一環的中國卻正增長,懷疑之餘,我就真的拿越南進口中國貨貿數
: 據跟中國出口數據對比,一比才發現差距之大,低估了對中共政權下限的想像,特別整理
: 來和大家分享
(略)
有點不明白原文為何會被推爆0.0!?
我不是貿易專業的,但稍微查下論文與學術文章可知道兩國公布的貿易資料有落差是常見的。
例如2022全年台灣-越南(台出口145億$-越進口226億$)亦有落差。
那麼學者怎麼解釋這些原因呢?
首先,
Kellenberg與Levinson(2016, 2019)指出:
https://i.imgur.com/rxuuZn4.png
他們發現並指出:
- 宏觀視角下,進口國報告的貿易額通常更高,因為包含保險和運輸等成本。
- 然而,還有企業的報關存在漏報或低報亦會導致個別的差異,與關稅以及腐敗和可逃稅的容易度呈正相關。
其次,
雙方貿易資料亦能在彼此都提供正確資料的情況下存在落差,
Chen等人(2022)指出雙邊的資料不對等在聯合國貿易資料中也存在,原因為:
- 貿易歸屬的差異,例如「美國通過香港向中國大陸出口貨物。如果中國大陸不知道這些貨物的原始出口國,那麼報告的夥伴就是香港,而美國報告的夥伴則是中國大陸。」(翻譯自第8頁)
- 貨幣計算的差異,例如「進口貿易價值根據成本、保險和運費 (CIF) 協議進行評估,而出口貿易價值則根據船上交貨價 (FOB) 進行評估。」(翻譯自第3頁)
- 貿易系統差異,例如General vs. Special trade systems。
甚至,這篇論文還提供了消彌資料不對等的方法!
有趣的是,
Braml與Felbermayr(2022)報告了有關"歐盟自我盈餘之謎",也是在講經濟體A報告的出口額經常高於經濟體B的進口額。
然而,該論文認為原因可能由企業的VAT欺詐導致。
https://i.imgur.com/yzvxcUT.png
總之,
原po所提的兩國的貿易資料不對等是常有的,來自於系統性的問題(Chen等人, 2022),亦不能排除兩國提供的資料都是正確的。
基於原po的情境可能與"歐盟自我盈餘之謎"類似,即經常出>進,想做更有說服力的歸因應該可參考上述Braml與Felbermayr(2022)的研究。
恩...我猜學術的內容大概不會有人想看吧 T_T
不過分享看到的學術見解還是挺有趣的,歡迎貿易專業的人補充與指正。
[參考文獻]
https://i.imgur.com/nw8jtrx.png
--
: 最近我發現中國出口數字和台商朋友感受落差實在太大,加上台灣越南等出口大國都在兩
: 位數衰退,身為供應鏈一環的中國卻正增長,懷疑之餘,我就真的拿越南進口中國貨貿數
: 據跟中國出口數據對比,一比才發現差距之大,低估了對中共政權下限的想像,特別整理
: 來和大家分享
(略)
有點不明白原文為何會被推爆0.0!?
我不是貿易專業的,但稍微查下論文與學術文章可知道兩國公布的貿易資料有落差是常見的。
例如2022全年台灣-越南(台出口145億$-越進口226億$)亦有落差。
那麼學者怎麼解釋這些原因呢?
首先,
Kellenberg與Levinson(2016, 2019)指出:
https://i.imgur.com/rxuuZn4.png

- 宏觀視角下,進口國報告的貿易額通常更高,因為包含保險和運輸等成本。
- 然而,還有企業的報關存在漏報或低報亦會導致個別的差異,與關稅以及腐敗和可逃稅的容易度呈正相關。
其次,
雙方貿易資料亦能在彼此都提供正確資料的情況下存在落差,
Chen等人(2022)指出雙邊的資料不對等在聯合國貿易資料中也存在,原因為:
- 貿易歸屬的差異,例如「美國通過香港向中國大陸出口貨物。如果中國大陸不知道這些貨物的原始出口國,那麼報告的夥伴就是香港,而美國報告的夥伴則是中國大陸。」(翻譯自第8頁)
- 貨幣計算的差異,例如「進口貿易價值根據成本、保險和運費 (CIF) 協議進行評估,而出口貿易價值則根據船上交貨價 (FOB) 進行評估。」(翻譯自第3頁)
- 貿易系統差異,例如General vs. Special trade systems。
甚至,這篇論文還提供了消彌資料不對等的方法!
有趣的是,
Braml與Felbermayr(2022)報告了有關"歐盟自我盈餘之謎",也是在講經濟體A報告的出口額經常高於經濟體B的進口額。
然而,該論文認為原因可能由企業的VAT欺詐導致。
https://i.imgur.com/yzvxcUT.png

總之,
原po所提的兩國的貿易資料不對等是常有的,來自於系統性的問題(Chen等人, 2022),亦不能排除兩國提供的資料都是正確的。
基於原po的情境可能與"歐盟自我盈餘之謎"類似,即經常出>進,想做更有說服力的歸因應該可參考上述Braml與Felbermayr(2022)的研究。
恩...我猜學術的內容大概不會有人想看吧 T_T
不過分享看到的學術見解還是挺有趣的,歡迎貿易專業的人補充與指正。
[參考文獻]
https://i.imgur.com/nw8jtrx.png

--
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