Working Papers
2013
April 10, 2013
Market-Based Structural Top-Down Stress Tests of the Banking System
Description: Despite increased need for top-down stress tests of financial institutions, performing them is challenging owing to the absence of granular information on banks’ trading and loan portfolios. To deal with these data shortcomings, this paper presents a market-based structural top-down stress testing methodology that relies in market-based measures of a bank's probability of default and structural models of default risk to infer the capital losses they could experience in stress scenarios. As an illustration, the methodology is applied to a set of banks in an advanced emerging market economy.
April 10, 2013
GPM6: The Global Projection Model with 6 Regions
Description: This is the sixth of a series of papers that are being written as part of a project to estimate a small quarterly Global Projection Model (GPM). The GPM project is designed to improve the toolkit to which economists have access for studying both own-country and cross-country linkages. In this paper, we add three more regions and make a number of other changes to a previously estimated small quarterly projection model of the US, euro area, and Japanese economies. The model is estimated with Bayesian techniques, which provide a very efficient way of imposing restrictions to produce both plausible dynamics and sensible forecasting properties.
April 3, 2013
Leaning Against the Wind and the Timing of Monetary Policy
Description: If monetary policy is to aim also at financial stability, how would it change? To analyze this question, this paper develops a general-form framework. Financial stability objectives are shown to make monetary policy more aggressive: in reaction to negative shocks, cuts are deeper but shorter-lived than otherwise. By keeping cuts brief, monetary policy tightens as soon as bank risk appetite heats up. Within this shorter time span, cuts must then be deeper than otherwise to also achieve standard objectives. Finally, we analyze how robust this result is to the presence of a bank regulatory tool, and provide a parameterized example.
April 3, 2013
Monetary Transaction Costs and the Term Premium
Description: We show that, in a monetary equilibrium, trade and asset prices depend on both the supply of the liquidity by the Central Bank and the liquidity of assets and commodities. As a result, monetary aggregates are informative for the conduct of monetary policy. We also show asset prices are higher in liquidity-constrained states of nature. This generates a term premium even in absence of aggregate uncertainty. These results hold in any monetary economy with heterogeneous agents and short-term liquidity effects, where monetary costs act as transaction costs and the quantity theory of money is verified.
April 3, 2013
Italian Sovereign Spreads: Their Determinants and Pass-through to Bank Funding Costs and Lending Conditions
Description: Volatility in Italian sovereign spreads has increased since mid-2011. This paper finds that news on the euro area debt crisis and country specific events were important drivers of sovereign spreads. Movements in sovereign spreads affect CDS spreads and bond yields of Italian banks, and are transmitted rapidly to firm lending rates. Banks with lower capital ratios and higher nonperforming loans were found to be more sensitive to swings in sovereign spreads. Credit supply constraints due to bank funding shortages from the sovereign debt crisis were a major factor behind the lending slowdown in late 2011, while in 2012 weak demand appears to have been driving changes in credit more than supply.
March 29, 2013
China’s Path to Consumer-Based Growth: Reorienting Investment and Enhancing Efficiency
Description: This paper proposes a possible framework for identifying excessive investment. Based on this method, it finds evidence that some types of investment are becoming excessive in China, particularly in inland provinces. In these regions, private consumption has on average become more dependent on investment (rather than vice versa) and the impact is relatively short-lived, necessitating ever higher levels of investment to maintain economic activity. By contrast, private consumption has become more self-sustaining in coastal provinces, in large part because investment here tends to benefit household incomes more than corporates. If existing trends continue, valuable resources could be wasted at a time when China’s ability to finance investment is facing increasing constraints due to dwindling land, labor, and government resources and becoming more reliant on liquidity expansion, with attendant risks of financial instability and asset bubbles. Thus, investment should not be indiscriminately directed toward urbanization or industrialization of Western regions but shifted toward sectors with greater and more lasting spillovers to household income and consumption. In this context, investment in agriculture and services is found to be superior to that in manufacturing and real estate. Financial reform would facilitate such a reorientation, helping China to enhance capital efficiency and keep growth buoyant even as aggregate investment is lowered to sustainable levels.
March 28, 2013
China’s Demography and its Implications
Description: In coming decades, China will undergo a notable demographic transformation, with its old-age dependency ratio doubling to 24 percent by 2030 and rising even more precipitously thereafter. This paper uses the permanent income hypothesis to reassess national savings behavior, with greater prominence and more careful consideration given to the role played by changing demography. We use a forward-looking and dynamic approach that considers the entire population distribution. We find that this not only holds up well empirically but may also be superior to the static dependency ratios typically employed in the literature. Going further, we simulate global savings behavior based on our framework and find that China’s demographics should have induced a negative current account in the 2000s and a positive one in the 2010s given the rising share of prime savers, only turning negative around 2045. The opposite is true for the United States and Western Europe. The observed divergence in current account outcomes from the simulated path appears to have been partly policy induced. Over the next couple of decades, individual countries’ convergence toward the simulated savings pattern will be influenced by their past divergences and future policy choices. Other implications arising from China’s demography, including the growth model, the pension system, the labor market, and the public finances are also briefly reviewed.
March 28, 2013
Too Cold, Too Hot, or Just Right? Assessing Financial Sector Development Across the Globe
Description: This paper introduces the concept of the financial possibility frontier as a constrained optimum level of financial development to gauge the relative performance of financial systems across the globe. This frontier takes into account structural country characteristics, institutional, and macroeconomic factors that impact financial system deepening. We operationalize this framework using a benchmarking exercise, which relates the difference between the actual level of financial development and the level predicted by structural characteristics, to an array of policy variables. We also show that an overshooting of the financial system significantly beyond levels predicted by its structural fundamentals is associated with credit booms and busts.
March 27, 2013
The Day After Tomorrow: Designing an Optimal Fiscal Strategy for Libya
Description: Libya is highly dependent on exhaustible and volatile hydrocarbon resources, which constitute the bulk of government revenues. Although resource wealth provides the means to promote socio-economic development, procyclical fiscal policies threaten macroeconomic stability as well as fiscal sustainability and intergenerational equity. In three parts, this paper provides an assessment of the cyclically adjusted fiscal stance, analyzes fiscal sustainability according the permanent income framework, and simulates various fiscal policy rules with the objective of developing a rule-based fiscal strategy that would delink the economy from oil price fluctuations, improve the management of resource wealth, and safeguard macroeconomic stability.
March 27, 2013
Measuring and Mending Monetary Policy Effectiveness Under Capital Account Restrictions: Lessons from Mauritania
Description: I propose a new approach to identifying exogenous monetary policy shocks in low-income countries with capital account restrictions. In the case of Mauritania, a domestic repatriation requirement is the key institutional characteristic that allows me to establish exogeneity. Unlike in advanced countries, I find no evidence for a statistically significant impact of exogenous monetary policy shocks on bank lending. Using a unique bank-level dataset on monthly balance sheets of six Mauritanian banks over the period 2006–11, I estimate structural vector autoregressions and two-stage least square panel models to demonstrate the ineffectiveness of monetary policy. Finally, I discuss how a reduction in banks’ loan concentration ratios and improvements in the liquidity management framework could make monetary stimuli more effective.