Preface: Two economists’ views on the bank-sovereign linkage

Sam Wilkin

Martin Wolf and Martin Hellwig in conversation with the editor Sam Wilkin

A theme that runs through this book is the importance of the bank–sovereign linkage. For instance, several authors contend that when an analyst looks at sovereign risk in a country, they must also assess the health of the country’s financial system because the government may be called upon to address a banking crisis, with a pernicious effect on sovereign creditworthiness. Other authors note the inefficiencies and risks that can result when sovereigns incentivise or compel banks to purchase the debt of their home government.

The global financial crisis has been followed by a global wave of regulatory reform. Measures enacted include, but are not limited to, bank resolution schemes, bonus reforms, ring-fencing initiatives, identification of global systemically important financial institutions and efforts to put in place a banking union in Europe. Have these measures reduced the risk of financial crises? Have they at least succeeded in reducing the risk that sovereign creditworthiness will be threatened by such crises?

To provide a basic guide to the current state of research and policy, I asked two

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