Banks, Government Bonds and Default: What do the Data Say?
Nicola Gennaioli, Alberto Martin and Stefano Rossi
Bocconi, CREI, and Purdue
December 13, 2016
GMR (Bocconi, CREI, and Purdue) Sovereign Debt and Risks December 13, 2016 1 / 32
Banks, Government Bonds and Default: What do the Data Say? Nicola - - PowerPoint PPT Presentation
Banks, Government Bonds and Default: What do the Data Say? Nicola Gennaioli, Alberto Martin and Stefano Rossi Bocconi, CREI, and Purdue December 13, 2016 GMR (Bocconi, CREI, and Purdue) Sovereign Debt and Risks December 13, 2016 1 / 32
Bocconi, CREI, and Purdue
GMR (Bocconi, CREI, and Purdue) Sovereign Debt and Risks December 13, 2016 1 / 32
Recent emphasis on importance of banking channel
Europe’s troubled banks and broke governments are in a dangerous embrace
Balance sheet channel: banks hold substantial amounts of government bonds Safety net channel: banks backed by government guarantees Macroeconomic channel: austerity policies might hurt economic activity and
GMR (Bocconi, CREI, and Purdue) Sovereign Debt and Risks December 13, 2016 2 / 32
Banks hold substantial amounts of domestic government bonds Liquidity (Bolton and Jeanne 2011, Gennaioli et al. 2014) Risk-taking (Farhi and Tirole 2015) Default hurts balance sheets of banks → ⇓ in lending → ⇓ in output
Aggregate (Gennaioli et al. 2014) European: based on stress tests 2010-12 and syndicated lending (Popov and
Limited time period, small lending market GMR (Bocconi, CREI, and Purdue) Sovereign Debt and Risks December 13, 2016 3 / 32
Across many countries, periods and default episodes
Which banks, in which countries, hold government bonds? Do they hold bonds all of the time or mostly during sovereign defaults? Do banks that hold more government bonds reduce their lending the most
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Characteristics of over 20.000 banks in 191 countries between 1998-2012 Bondholdings at the bank level 20 default episodes: mostly in developing countries
Does not report nationality of bonds Domestic or foreign government bonds? GMR (Bocconi, CREI, and Purdue) Sovereign Debt and Risks December 13, 2016 5 / 32
$1 increase in bondholdings ⇔ $0.50 decrease in lending Result robust to controlling for country shocks and bank characteristics
In particular, banks that make fewer loans and are located in financially
Bondholdings increase slightly during default episodes Especially in larger (and more profitable) banks
Banks hold substantial bonds in normal times (liquidity services) Government defaults hurt banks and reduce lending Conceptually: result consistent with imperfect discrimination (Broner et al.
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Recent theories based on non-discrimination: collateral damage of defaults Basu (2010), Broner and Ventura (2011), Brutti (2011), Gennaioli et al.
Relationship between sovereign risk and private credit Arteta and Hale (2008), Borensztein and Panizza (2008), Baskaya and
Acharya and Steffen (2013), Brutti and Saure (2013), Popov and Van Horen
Krishnamurthy and Vissing-Jorgensen (2012), Greenwood and Vayanos (2014) GMR (Bocconi, CREI, and Purdue) Sovereign Debt and Risks December 13, 2016 7 / 32
Information on broad range of bank characteristics Suitable for international comparisons because data is harmonized
However, no information on nationality of bonds Use IMF/EU/Argentine data to validate information
Commercial banks (33.2%), cooperatives (38.2%), savings banks (20.6%),
Sample construction: filter out duplicate records banks with total assets <$100K years < 1997 banks without two consecutive years of data GMR (Bocconi, CREI, and Purdue) Sovereign Debt and Risks December 13, 2016 8 / 32
IMF’s International Financial Statistics (IFS) and WB’s World Development
Proxy financial development with private credit to GDP
Dummy variable based on Standard and Poor’s Default is failure to meet principal or interest payment in original terms Greek bond swap of 2012: default 19 sovereign defaults in 16 countries complement analysis with alternative measure of default “haircuts” (Cruces and Trebesch 2013) S&P measure “augmented” with spreads GMR (Bocconi, CREI, and Purdue) Sovereign Debt and Risks December 13, 2016 9 / 32
JP Morgan’s Emerging Market Bond Index (EMBIG+) for emerging countries,
Kim (2010) and Levy-Yeyati, Martinez-Peria, and Schmukler (2010)
construct it through two-step process first stage: regress returns on country-specific economic, financial and political
Rc,t is realized returns of public bonds in country c at time t γt are time-dummies, which capture variations in global risk-free rate Zc,t−1 are risk ratings compiled by ICRG, shown to negatively predict returns
second stage: define expected returns as fitted values of this first-stage
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Country Default S&P Haircut No Bank-Years No Banks Argentina 2001-2004 76.8% 231 87 Ecuador 1998-2000 38.3% 32 30 Ecuador 2009 67.7% 8 8 Ethiopia 1998-1999 92.0% 2 1 Greece 2011-2012 64.8% 12 6 Guyana 1998-2004 91.0% 20 3 Honduras 1998-2004 82.0% 79 21 Ireland 7 7 Indonesia 1998-2000; 2002 17 13 Jamaica 2010 5 5 Kenya 1998-2004 45.7% 160 33 Nigeria 2002 41 41 Portugal 12 12 Russia 1998-2000 51.1% 40 31 Serbia 1998-2004 70.9% 2 2 Seychelles 2000-2002; 2010 56.2% 1 1 Sudan 1998-2004 2 1 Ukraine 1998-2000 14.8% 14 7 Venezuela 34 26 Zimbabwe 2000-2004 6 3 No Banks 725 338 No Countries 16 11 No Episodes 19 12 GMR (Bocconi, CREI, and Purdue) Sovereign Debt and Risks December 13, 2016 11 / 32
Financial Institutions’ Net Claims to the Government(IFS)
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European stress tests (2010, 2011, 2012) Data on domestic bondholdings from Argentine Central Bank (2002-2004)
The table reports summary statistics of bank bondholdings as a percentage of total assets for selected samples.
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Panel A – Bankscope, Constant-continuing sample Mean Median Std Deviation No Countries No Observations Assets ($/M) 9,922.0 725.6 81,400.0 160 36,449 Non-cash assets 95.8 97.6 5.6 160 36,449 Leverage 91.0 93.3 8.4 160 36,449 Loans 57.1 60.0 17.0 160 36,449 Profitability 0.9 0.7 2.1 160 36,449 Exposure to Central Bank 3.3 1.5 4.9 160 36,449 Interbank Balances 12.2 9.2 12.5 160 36,449 Government Owned 2.5 0.0 15.7 160 36,449 GMR (Bocconi, CREI, and Purdue) Sovereign Debt and Risks December 13, 2016 15 / 32
Figure 2. Sovereign Bond Prices in Defaulting Countries. The figure plots the average bond prices over 7 default episodes in 6 countries (Argentina 2001-2004, Russia 1998-2000, Cote d’Ivoire 2000-2004, Ecuador 1998-2000, Ecuador 2009, Nigeria 2002, Greece 2012), from day -1,000 to +1,000, whereby day 0 is the day in which default is announced.
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Bi,c,t−1 is the bond/asset ratio for bank i, c and Defc,t−1 is a default dummy Xi,c,t−1 and Xc,t−1 are vectors of bank and country level characteristics Bank variables: loans outstanding, non-cash assets, exposure to central bank,
Country variables: financial development (private credit/GDP and banking
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γ1 captures average effect of bondholdings on bank loans γ3 captures differential effect of bondholdings on loans during default
GMR (Bocconi, CREI, and Purdue) Sovereign Debt and Risks December 13, 2016 18 / 32
Table IV – Bondholdings, Sovereign Default, and Changes in Loans
The table presents coefficient estimates from pooled OLS regressions. Standard errors (in parentheses below the coefficient estimates) are adjusted for heteroskedasticity using the Huber (1967) and White (1980) correction, as well as for clustering at the bank level using the Huber (1967)
(1) (2) (3) (4) (5) Bank Bondholdingsi,c,t–1 *
Sovereign Defaultc,t–1 (0.057) (0.057) (0.058) (0.060) (0.045) Sovereign Bond Returnc,t–1 * 0.072*** 0.068*** 0.071*** Sovereign Defaultc,t–1 (0.014) (0.015) (0.015) Bank Bondholdingsi,c,t–1 0.032*** 0.034*** 0.009 0.009 0.018** (0.009) (0.009) (0.011) (0.011) (0.008) Sovereign Defaultc,t–1
(0.026) (0.025) (0.024) Sovereign Bond Returnc,t–1 0.005 0.011* 0.004 (0.005) (0.006) (0.007) Leveragei,c,t–1 * 0.115** 0.107** 0.084 0.035 0.028 Sovereign Defaultc,t–1 (0.054) (0.054) (0.053) (0.057) (0.048) Loansi,c,t–1 *
Sovereign Defaultc,t–1 (0.050) (0.050) (0.049) (0.054) (0.041) Bank Sizei,c,t–1 0.001*** 0.001*** 0.001*** 0.001*** 0.001*** (0.000) (0.000) (0.000) (0.000) (0.000) Non-cash assetsi,c,t–1
0.025 0.011
(0.017) (0.017) (0.020) (0.020) (0.016) Loansi,c,t–1
(0.005) (0.005) (0.005) (0.005) (0.004) Profitabilityi,c,t–1
(0.060) (0.060) (0.056) (0.053) (0.042) Exposure to Central Banki,c,t–1
0.072*** 0.048** 0.047*** (0.019) (0.019) (0.024) (0.023) (0.016) Interbank Balancesi,c,t–1 0.016** 0.019*** 0.004 0.010 0.004 (0.007) (0.007) (0.007) (0.007) (0.005) (0.004) (0.004) (0.004) (0.004) (0.003) Year Dummies? Yes Yes Yes Yes Country Dummies? Yes Yes Yes Country x Year Dummies? Yes Yes Constant 0.041** 0.033*
0.184
(0.018) (0.018) (0.021) (102.387) (177.873) No Observations 14,074 14,074 14,074 14,074 27,408 No Banks 3,722 3,722 3,722 3,722 5,218 No Countries 60 60 60 60 158 R-squared 0.061 0.072 0.106 0.204 0.224 GMR (Bocconi, CREI, and Purdue) Sovereign Debt and Risks December 13, 2016 19 / 32
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$1 increase in bonds held by average bank → $0.50 decline in lending
Alternative definitions of lending
Exclusion of government-owned banks Exclusion of small countries (GDP per capita and size of default) Exclusion of countries with few banks Alternative definitions of default Haircut measure of Cruces and Trebesch (2013) S&P dummy “augmented” with high spreads GMR (Bocconi, CREI, and Purdue) Sovereign Debt and Risks December 13, 2016 21 / 32
Bonds held at the time of default Bonds accumulated during default What drives the results?
Bonds held in pre-default year Average bonds held in three years prior to default GMR (Bocconi, CREI, and Purdue) Sovereign Debt and Risks December 13, 2016 22 / 32
Table VII – Bondholdings and Changes in Loans: Normal Times v Default Years Bonds
The table presents coefficient estimates from pooled OLS regressions. The dependent variable changes in loans is computed as loans outstanding in year t minus loans outstanding in year t-1, divided by total assets. The main independent variables are pre-default bank bondholdings, coimputed as bondholdings in the year prior to the first year of a sovereign default, divided by total assets; average pre-default bank bondholdings, computed as the average of bondholdings divided by total assets in the last three years prior to the first year of a sovereign default; bank average non-default years bondholdings, computed as the average of bank bondholdings in all the non-default years prior to and including year t–1 , bank time-varying bondholdings, computed as bank bondholdings minus bank average non-default years bondholdings. Standard errors (in parentheses below the coefficient estimates) are adjusted for heteroskedasticity using the Huber (1967) and White (1980) correction, as well as for clustering at the bank level using the Huber (1967) correction. *** indicates significance at the 1% level; ** indicates significance at the 5% level; * indicates significance at the 10% level.
(1) (2) Pre-Default Bank Bondholdings
(0.080) Avg Pre-Default Bank Bondholdings
(0.028) Sovereign Bond Returnt–1 * Bank-Level Controls and Interactions? Yes Yes Year Dummies? Yes Yes Country Dummies? Yes Yes Country x Year Dummies? Constant 0.780** 0.874** (0.275) (0.272) No Observations 105 105 No Banks 105 105 No Countries 5 5 R-squared 0.439 0.442
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In default, significant relationship between bondholdings and lending
Banks’ costs of funds correlated with their bondholdings during crisis Significant, negative correlation between bank stock price/CDS and country
Correlation stronger for banks with higher bondholdings Bank (syndicated) lending correlated with bondholdings during crisis Banks in core countries with differential exposure to periphery debt (Popov and
De Marco (2016) finds similar evidence GMR (Bocconi, CREI, and Purdue) Sovereign Debt and Risks December 13, 2016 24 / 32
Banks hold substantial amount of bonds in non-default years Banks hold slightly more bonds in default years
Defc,t−1 is a default dummy Xi,c,t−1 and Xc,t−1 are vectors of bank and country level characteristics Bank variables: loans outstanding, non-cash assets, exposure to central bank,
Country variables: financial development (private credit/GDP and banking
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(1) (2) (3) Sovereign Defaultt–1* 0.009*** 0.011*** 0.007*** Sizet–1 (0.003) (0.003) (0.003) Sovereign Defaultt–1*
Loanst–1 (0.032) (0.037) (0.029) Sovereign Defaultt–1 * 0.107*** Expected Sovereign Bond Returnt–1 (0.029) Sovereign Defaultt–1 * 0.027 1.758*** GDP Growtht–1 (0.170) (0.432) Sovereign Defaultt–1 * 0.035* 0.172*** Banking Crisist–1 (0.021) (0.045) Sovereign Defaultt–1 * 0.448* 2.048*** Private Creditt–1 (0.230) (0.438) Sovereign Defaultt–1
(0.158) (0.344) (0.055) Sizet–1 0.001*** 0.001 0.000 (0.000) (0.000) (0.000) Loanst–1
(0.004) (0.007) (0.004) Expected Sovereign Bond Returnt–1
(0.008) GDP Growtht–1
(0.066) (0.096) Banking Crisist–1 0.030*** 0.022 (0.005) (0.019) Private Creditt–1
0.038** (0.004) (0.018) Other controls? Yes Yes Yes Year Dummies? Yes Yes Yes Country Dummies? Yes Yes Country x Year Dummies? Yes No Observations 13,082 5,341 26,549 No Banks 2,896 2,103 5,124 No Countries 38 29 157 R-squared 0.801 0.739 0.814
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Negatively correlated with lending Negatively correlated with financial development
Especially in large (and profitable) banks Especially in countries with higher financial development
In non-default years, bonds held for liquidity provision Banks without good investment opportunities or alternative assets In default years, subset of banks increases bondholdings Average increase slight No indication that it is concentrated in “bad” banks GMR (Bocconi, CREI, and Purdue) Sovereign Debt and Risks December 13, 2016 28 / 32
Strong negative correlation between bondholdings and subsequent lending $1 increase in bondholdings → $.50 fall in loans Banks hold large amount of bonds in non-default years Especially banks with fewer loans, in less financially developed countries During default, bondholdings increase slightly: particularly in large banks
Link between sovereign default and bank lending seems to be prevalent Consistent non-discrimination view (Broner et al. 2010, etc..) Differences between emerging and advanced economies Bonholdings in emerging markets higher than in OECD (12.7% vs. 5%) Implications for regulation (e.g. risk weights) GMR (Bocconi, CREI, and Purdue) Sovereign Debt and Risks December 13, 2016 29 / 32
Panel A – Bankscope, Constant-continuing sample Mean Median Std Deviation No Countries No Observations Assets ($/M) 9,922.0 725.6 81,400.0 160 36,449 Non-cash assets 95.8 97.6 5.6 160 36,449 Leverage 91.0 93.3 8.4 160 36,449 Loans 57.1 60.0 17.0 160 36,449 Profitability 0.9 0.7 2.1 160 36,449 Exposure to Central Bank 3.3 1.5 4.9 160 36,449 Interbank Balances 12.2 9.2 12.5 160 36,449 Government Owned 2.5 0.0 15.7 160 36,449 GMR (Bocconi, CREI, and Purdue) Sovereign Debt and Risks December 13, 2016 30 / 32
Bonds Bank Size Non- cashAssets Leverage Loans Profitability Exposure Balances Banks size
Non-cash assets
0.202*** Leverage
0.335*** 0.207*** Loans
0.016*** 0.202*** 0.238*** Profitability 0.102*** 0.059***
Exposure to Central Bank 0.096*** 0.209***
0.140*** Interbank Balances
0.117***
0.061*** 0.367*** Government Owned 0.082*** 0.141***
0.009*** 0.027*** 0.022 GMR (Bocconi, CREI, and Purdue) Sovereign Debt and Risks December 13, 2016 31 / 32
Table V – Bondholdings, Country Shocks, and Changes in Loans
(1) (2) (3) (4) Bank Bondholdingst–1 *
Sovereign Defaultt–1 (0.062) (0.047) (0.068) (0.064) Bank Bondholdingst–1 * 0.156 0.285** GDP Growtht–1 (0.140) (0.137) Bank Bondholdingst–1 *
Exchange Rate Devaluationt–1 (0.040) (0.039) Sovereign Bond Return * 0.091
Sovereign Defaultt–1 (0.077) (0.059) Bank Bondholdingst–1 0.001 0.003 0.008 0.013 (0.012) (0.009) (0.011) (0.008) Bank-Level Controls and Interactions Yes Yes Yes Yes with Sovereign Default? Bank-Level Controls and Interactions Yes Yes with GDP Growth? Bank-Level Controls and Interactions Yes Yes with Exchange Rate Devaluation? Year Dummies? Yes Yes Yes Yes Country Dummies? Yes Yes Yes Yes Country * Year Dummies? Yes Yes Yes Yes Constant 0.229
0.141 (0.147) (3.715) (0.087) (130.540) No Observations 13,873 26,467 13,908 24,982 No Banks 3,649 4,967 3,646 4,645 No Countries 56 129 54 97 R-squared 0.205 0.214 0.205 0.204 GMR (Bocconi, CREI, and Purdue) Sovereign Debt and Risks December 13, 2016 32 / 32