The Missing Wealth of Nations: Evidence From Switzerland ...
Transcript of The Missing Wealth of Nations: Evidence From Switzerland ...
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The Missing Wealth of Nations:Evidence From Switzerland, 1945-2008
Gabriel Zucman, PSE
June 11, 2010
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Share of Foreign Assets in Household Wealth2001 2008
[2]Households' foreign portfolio assets 39,8 27,7
[9]
Total (domestic + foreign) households' portfolio assets
706,0 828,0
[10]Share Foreign [2]/[9] 5,6% 3,3%
[11]Households' foreign bank deposits 27,0 28,0
[12]
Housholds' total (domestic + foreign) bank deposits
834,8 1 071,8
[13]Share foreign [11]/[12] 3,2% 2,6%
[15]
Households' other financial assets (mainly life-insurance)
911,5 1 554,9
[16]
Households' gross financial assets [9]+[12]+[15]
2 452,4 3 454,7
[17]Households' financial liabilities 718,0 1 212,8
[18]
Foreign assets in households' net financial wealth ([2]+[11])/([16]-[17])
3,9% 2,5%
Source: France's Financial Accounts, Banque de France; Unpublished "Qui A Qui" Financial Accounts; CPIS. All figures in bn of euros unless otherwise stated.
Panel A: Equities, bonds, mutual funds
Panel B: Bank Deposits
Panel C: Total Financial Assets
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Observed Dynamics of Foreign Assets
0%
5%
10%
15%
20%
25%
30%
35%
40%
1870 1890 1910 1930 1950 1970 1990 2010
French Households' ForeignSecurities / Net Financial Wealth
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Question
� Has cross-border banking made foreignfinancial wealth unobservable and untaxable?
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What This Paper Does
Presents two different measures of unrecordedoffshore wealth:
1. In Switzerland (1945-2008), using detailedSwiss banks data, broken down by country
2. At the global level (2000s), using discrepanciesin the balance of payments / internationalinvestment positions
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Results
Both measures show that households’ financialwealth is significantly under-estimated:
1. Globally in 2008, around 6% of households’financial wealth is missing from national accts
2. Ex: French households’ unrecorded wealth inSwitz. ≈ 7% of their total financial assets
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Applications and Related Literature
1. Effect of undeclared wealth on topincome/wealth shares dynamics: Dell, Piketty& Saez (2007)
2. Tax evasion in the absence of third-partyreporting: Huizinga & Nicodeme (2004)
3. Efficiency of the EU savings directive:Johannesen (2010)
4. Empirics of external wealth and globalimbalances: Lane & Milesi-Ferretti (2007)
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I - The Problem
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Direct Finance with Domestic Custody
Households
Banks« custodians »
National AccountantsTax Authority
Corporations,government
Buy securities (stocks, bonds)
Tell who owns what
Tell who earns what(income tax) & who ownswhat (wealth tax)
And deposit them in adomestic bank
Tax evasion isimpossible
Financial Accounts areaccurate
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Direct Finance with Cross-Border Custody
Domestichouseholds
ForeignBanks
Foreign or domesticcorporations, govt
Buy securities
Don’t exchange informationwith domestic national
accountants
Don’t exchange informationwith domestic tax authorities(tax havens)
And deposit them abroad
Tax evasion ispossible
Domestic NationalAccounts under-
estimate hhold wealth
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Consequences of Cross-Border Custody
In countries where taxpayers have their wealthmanaged offshore:
� National accounts under-estimate households’financial wealth
� International investment positionsunder-estimate net foreign asset position
� Tax data under-estimate top income/wealthshares
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II - Foreign Wealth in Switzerland
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Portfolio Wealth Managed by Swiss Banks
0,0%
0,5%
1,0%
1,5%
2,0%
2,5%
3,0%
3,5%
4,0%
4,5%
5,0%
1940 1950 1960 1970 1980 1990 2000
Securities Managed by Swiss Banks/ World Households' FinancialWealth
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Data sources
1. Swiss National Bank public data:� Custody survey (1998-)� ”Banks in Switzerland” (1907-); e.g. commission and fee income, by
category of bank� Capital market statistics (bond and stock market capitalizations)
2. Swiss Banks’ private archives:� Paul Volcker’s commission: comprehensive data for 1945� Pierre Bergier’s commission: securities deposits in 6 of the 7 big banks
of the twentieth century (1919-1971)
3. Global household wealth� Davies et al. (2009)� Ongoing work on the world distribution of wealth
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What’s in Swiss Banks?
Swiss
Securities
Foreign
Securities
Swiss
Securities
Foreign
Securities
Securities ownedby Swiss residents
Securities owned byForeign residents
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What’s Potentially Missing?
� All Swiss securities are subject to a 35%advance tax, difficult to avoid
� So potential missing wealth = mostly foreignsecurities held by foreigners
� Also, special kind of untaxed bank-accounts:”Fiduciary Deposits”
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Foreigners’ Holdings of Foreign Assets
0,0%
0,5%
1,0%
1,5%
2,0%
2,5%
3,0%
1940 1950 1960 1970 1980 1990 2000
Foreigners' (Foreign Securities Deposited inSwitzerland + Fiduciary Bank Accounts) /World Households' Financial Wealth
Foreigners' Foreign Securities Deposited inSwitzerland / World Households' FinancialWealth
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Country Breakdown
� 1945: Historical sources from Bergier’scommission
� After: full geographical breakdown of fiduciarydeposits since 1976
� However country breakdown are increasinglydifficult to interpret
� Key factor of uncertainty: shell corporationsset up in tax havens
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Country Breakdown 1945 at Credit Suisse%
Swiss holdings 64,0%
Foreigners' holdings 36,0%
EuropeFrance 17,6%Italy 3,2%Spain 3,0%Germany and Austria 1,9%Belgium 1,4%Balkans 1,0%Great-Britain 0,8%Netherlands 0,7%… …
United States 2,3%… …
South America 1,7%… …
Other Countries 2,4%
Total Credit Suisse 100,0%
Memo: Credit Suisse / Total Swiss Banks 16,6%
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Geographical Breakdown of Fiduciary Deps
0%
10%
20%
30%
40%
50%
60%
70%
1984 1988 1992 1996 2000 2004 2008
Tax HavensEuropeMiddle EastLatin and South AmericaAsiaAfricaNorth America
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Strategy to Make Tax Havens Transparent
� Impossible to look through shellcorporations/trusts
� But strong suspicion that this is mainlyEuropean wealth
� I attribute 100% of tax havens’ deposits toEuropean countries
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Country Breakdown 1976 and 20001976 2000
Europe 69,8% 71,2%Italy 26,2% 14,5%France 14,2% 11,4%Germany 5,6% 8,4%Belgium 5,2% 6,3%United Kingdom (est.) 4,9% 8,0%Spain 2,7% 6,4%… … …Middle East 13,4% 10,1%… … …Other countries 16,8% 18,7%United States 2,0% 2,2%Brazil n.a. 2,1%Turkey n.a. 1,5%Argentina 1,1% 1,5%Israel 1,0% 1,5%Canada 0,9% 0,8%… … …Total 100% 100%
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Application to French Wealth
0%
2%
4%
6%
8%
10%
12%
1945 1950 1955 1960 1965 1970 1975 1980 1985 1990 1995 2000 2005
French Wealth in Switzerland as a % ofFrench Households' Net Financial Wealth
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III - The Global Missing Wealth
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Global Discrepancies in BoP/IIP� Well-known discrepancies in world balance of
payments� World current account < 0 until 2004, > 0 since� Consistently <0 net global portfolio income since 1970s (i.e apparently
more dividends and interests paid than received)
� Similar global discrepancies in world IIP
� LMF database (2009 update) covering a set Iof 178 countries:
�
j∈IAj
� �� �Equity + Debt Assets
+�
j∈IRj
� �� �Reserve
<�
j∈ILj
� �� �Equity + Debt Liab
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The World Current Account Discrepancy
-200
-100
0
100
200
300
400
500
1994 1996 1998 2000 2002 2004 2006 2008
Billio
n o
f C
urr
en
t U
S$
Current Account
Trade Balance
FDI Income
Portfolio and Other InvestmentIncome
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Questions Raised by The Discrepancy
We focus on the portfolio income discrepancy(trade balance discrepancy = different issues)
1. Where does it come from?
2. Is it important, or just a statistical scoria?
3. How does it change our knowledge of globalimbalances?
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Our Answers
1. It comes mainly from cross-border wealthmanagement: National accountants are unableto capture portfolio holdings of domestichouseholds abroad
2. Assets managed offshore ≈ 6% of globalhousehold financial wealth
3. Consequence: Many NFAs might beunderestimated
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Offshore Wealth Managt Creates Discrep
If households from country A have their wealthmanaged by banks located in B and invest in C :
� C records a foreign liability / B
� A does not record any foreign asset (no assetsurvey of households)
� B does not record any cross-border position(third-party holdings)
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Other Factors Causing the Discrepancy
� Partial coverage, data deficiencies,heterogeneity in compiling practices. How tosort those out?
� Use highest quality dataset on cross-borderassets: IMF CPIS
� Launched to bring answers to current account discrepancies� High level of harmonization� Extensive documentation, allowing to fill the gaps
� Supplemented by US TIC survey to estimateforeign assets of non-CPIS reporting countries
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The CPIS
Basic fact: ∀j ∈ I,�
i∈CAij
� �� �Assets reported by CPIS
+�
i∈SRij
� �� �SEFER
<�
i∈WLij
� �� �Liabilities reported by j
New findings = inequality robust to:
� adding estimates of�
i∈W\C Aij (CaymanIslands mutual funds, oil countries...)
� adding estimates of�
i∈W\S Rij (China...)
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The CPIS (2)
Conclusion: ∀j ∈ I,�
i∈WAij +
�
i∈WRij <
�
i∈WLij
And consequently:�
j∈I
�
i∈WAij +
�
j∈I
�
i∈WRij <
�
j∈I
�
i∈WLij
Only remaining explanation of the gap = Inabilityto capture households’ foreign holdings abroad
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Global Portfolio Missing WealthG-Discrep-CPIS-2
Page 1
0
2 000
4 000
6 000
2001 2002 2003 2004 2005 2006 2007
0%
7%
14%
21%Missing Portfolio Wealth, bn of US$ (l.h.s.)
Missing Portfolio Wealth as a % of GlobalPortfolio Liabilities (r.h.s.)
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Financial Wealth Held Offshore
0%
2%
4%
6%
8%
2001 2002 2003 2004 2005 2006 2007
Households' Financial Wealth Held Offshore /Global Households' Net Financial Wealth
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Conclusion
� Around 6% of global household wealthmanaged offshore
� This explains the global portfolio incomediscrepancy
� For some EU countries, up to 10% of hholds’fin. wealth managed in Swiss banks
� Much bigger figure for some dev. and oilcountries
� Offshore financial wealth = key challenge tofinancial accounts and distribution studies
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These Figures Are Lower-Bounds
Not all missing wealth translates into worldportfolio discrepancies or is recorded as foreign bySwiss banks:
� Fake addresses
� Shell corporations
� Use of other domestic intermediaries
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Future Work
Why do rich individuals relocate their wealthabroad?
� Positive model of cross-border tax evasion
� To be tested with panel data on fiduciary bankaccounts