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Essay published in the 42nd St. Gallen Symposiuim debate (3-2 May 2012)
Prof. Didier Sornette: Novel financial management is needed
We view the world as being
in the second stage of a many-acts theatre drama. The indebtedness of
developed economies is growing at a completely unsustainable rate and,
in addition, prevents adequate fighting of the recession as should be
done. Most of the measures taken until now have been misguided or
insufficient. Enormous amounts of liquidity are in search of return in a
world of quasi-absolute zero interest rates of short-term bonds. This
creates fast developing bubbles followed by instabilities.
The world has been shaken by a succession of financial crises, which include
- the subprime debacle starting in 2007,
- the freezing of the US banking system and its bailout in 2008,
- the exceptional Keynesian Quantitative Easing measures in 2009 and 2010
that are considered by many to have failed,
- the “absolute zero” Fed rate and its expansionary monetary policies,
- the sovereign turmoil of Dubai and Greece in 2009 and 2010,
- the European triplet crises of
(i) pending sovereign defaults of Greece, Ireland, Portugal, and others;
(ii) exposure of European banks to these sovereign debts and to the debts of other East European countries and
(iii) extraordinary liabilities that the European Central bank has
accumulated in bad debts (and which is growing), beyond its initial
mandate making de facto the European tax payers the ultimate agents
responsible for the salvation of the system at corresponding costs in
terms of lost growth and painful belt-tightening, the brutal doubling of the worldwide food price index in 2008
and 2010 that triggered major social unrest in Indonesia, North Africa
and Middle East, and growing securitisation of food and commodities
leading to improved short-term allocation of resources and possibly
medium term bubbles and system-wide instabilities, as well as social
unrests, the so-called “great recession” and persistent high rate of unemployment in development countries… and so on.
The view that financial markets are good and performing investment on
the long run has been inherited from a glorious past, strongly fuelled
by a post-war reconstruction period and growing debts buying the growth.
In addition, the central banks, especially the Fed, are dangerously
pumping up money to boost stock markets artificially, hoping for a
wealth effect and positive feedbacks to the real economy. In this context, we believe that a new kind of investment theory and
practice accompanied by revolutionary novel financial management are
absolutely needed.
We need
1. Robust empirical diagnostics of future crises
2. Financial crisis observatory to predict and use the identification of
mispricing and unsustainable regimes.
3. Risk-sensitivity in banking and regulation
1. Robust diagnostic of future crises
We need to stress a major issue that is always forgotten after crises by
experts and pundits when they make novel recommendations for better
regulations and processes: how to get reliable measures of the elusive
economic and financial variables that are in addition often gamed by
creative accounting practices as well as special investment manoeuvers.
We do not cast a value judgment but only recognise that it is rational
for businesses, which strive to maximise shareholder values, growth and
returns, to work close to or in the fuzzy zone of the boundaries of
regulations. As a consequence, many measures that become available ex
post for post mortem analyses are often difficult to obtain or hidden
during the ex ante development of a system before it enters a crisis. We
need to recognise and never forget this fundamental difficulty when
using data to diagnose and forecast. Existing procedures that address
this question need to be drastically improve, using a combination of
statistical and modelling methods. This is relevant to both developed
and major emerging markets in the Americas, Europe and the Asia-Pacific
region. This approach requires monitored on all possible dimensions
available, with the quest of finding new indicators and combination
therefore, in order to foster the development of new ideas, new
questions and concepts and new models developed above.
2. Financial crisis observatory (FCO): Feasibility study and development
of an operational platform for the diagnostics of financial
instabilities
New diagnostic tools are needed for detecting and preventing systemic
financial crises. This can be foreseen by extending ambitiously the FCO
launched by our group at ETH Zurich in August 2008. We call the new
concepts and methods, “time-at-risk”, to emphasise the need for
dynamical strategic and tactical investment management. The
“Time-at-Risk” method is a quantitative dynamical risk management
approach to diversification and portfolio allocation, based on the above
models. The FCO is based on the main hypothesis that financial bubbles
are associated with a maturation phase that evolves by pro-cyclical
reinforcement mechanisms towards an instability that is quantified in
mathematical terms as a bifurcation. Information on bubbles and regime
change must be effectively used to generate trees of scenarios and
overlaid models that can be used to develop policies that mitigate their
impacts. These models can be applied to pricing, for the allocation of
resources, the evaluation of project quality and eventually for advising
policy making. The novel directions that we are proposing lead to
- develop a series of models that allow for a better understanding of the causes
of financial instabilities
- formulate diagnostics of the maturing and development of systems
towards
financial instabilities; provide tools towards novel
- design of markets in the goal of mitigating or removing their occurrence.
3. Bubble options as operational risk management for central banks
We also propose to empower central banks with new tools, such as
so-called “bubble options” to enable operational risk management based
on our novel diagnostic of impending crisis discussed above. The
financial crisis observatory provides warning signals of an upcoming
risk to central bankers. While warning makes the authorities
responsible, they remain without efficient tools to act. Indeed, central
banks have massive balance sheets and the economic production of the
country cannot be adapted rapidly in response to the warning. In
addition, the decision process is in general very slow. So, if a central
bank knows something risky is coming, which makes them in a way
responsible, they are however in a very uncomfortable situation of
having little control. The political circles will not support such
situations and conflicts on the optimal governance of the country and of
the central bank will ensue, as can be witnessed with the European
crisis. To address such stalemate, we propose to introduce so-called
“bubble options” as hedging tools for central banks. The idea is that
the FCO not only advises countries and central banks on their risks, but
the FCO also gives them tools to manage these risks in the form of
specifically constructed hedging instruments. These instruments include
out-of-the-money options, constructions on volatility and so on. This is
risk management in action compared to risk measurement. It is a fact
that 99% of risk management departments are only occupied in risk
measurement. Organisationally, central banks can start applying real
risk budgeting, and determine how much do they want to spend on hedging
extreme risks. This amount can be set aside to use in crisis situations
to buy the bubble options. The proposed risk management of crises via
bubble options should be very useful to central banks, sovereign wealth
funds, and re-insurance companies, pension funds among others. The
implementation can be performed by combining the measurement of the risk
and the creation of market instruments that make the risk tradable, and
in this way diversifiable and manageable.
Didier Sornette (FR) is Professor of Entrepreneurial Risks at ETH,
Zurich. He is also Director of the Financial Crisis Observatory, a
scientific platform aimed at testing and quantifying the hypothesis that
financial markets exhibit a degree of inefficiency and a potential for
predictability, especially during regimes when bubbles develop. He
graduated from Ecole Normale Supérieure, Paris, with a degree in
physical sciences and has been Professor and Visiting Professor at the
University of California (UCLA) since 1996.
LINK:http://stgallen-symposium.org/debate?sc_itemid=_DC01B219-568B-49A2-8739-E53404392C83
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