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Time-varying Volatility, Financial Intermediation and Monetary Policy

S. Eickmeier, N. Metiu, Esteban Prieto
IWH Discussion Papers, No. 19, 2016
Abstract
We document that expansionary monetary policy shocks are less effective at stimulating output and investment in periods of high volatility compared to periods of low volatility, using a regime-switching vector autoregression. Exogenous policy changes are identified by adapting an external instruments approach to the non-linear model. The lower effectiveness of monetary policy can be linked to weaker responses of credit costs, suggesting a financial accelerator mechanism that is weaker in high volatility periods. To rationalize our robust empirical results, we use a macroeconomic model in which financial intermediaries endogenously choose their capital structure. In the model, the leverage choice of banks depends on the volatility of aggregate shocks. In low volatility periods, financial intermediaries lever up, which makes their balance sheets more sensitive to aggregate shocks and the financial accelerator more effective. On the contrary, in high volatility periods, banks decrease leverage, which renders the financial accelerator less effective; this in turn decreases the ability of monetary policy to improve funding conditions and credit supply, and thereby to stimulate the economy. Hence, we provide a novel explanation for the non-linear effects of monetary stimuli observed in the data, linking the effectiveness of monetary policy to the procyclicality of leverage.
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EFN Report Spring 2016: Economic Outlook for the Euro Area in 2016 and 2017

EFN Reports, No. 2, 2016
Abstract
Global growth will stay rather moderate this year. The peak of the upswing in the US appears to be over. For Japan, after three years of “Abenomics”, a prolonged upswing is still elusive. In China low profitability and high debt levels of many government-owned industrial firms continue to drag growth down. The low prices for commodities heighten uncertainty and volatility on financial markets since they increase the risks of financial crises in economies that are dependent on commodity exports. In the euro area, chances for the recovery to continue are good, as this year, like in 2015, oil prices will probably be markedly lower than they were a year ago, supporting real income of private households and lowering production costs of firms. In this context, our forecast is that euro area GDP will expand by 1.6% in 2016 and by 1.7% in 2017. These rates are higher than the rate of potential growth, but they are arguably low given the expansive monetary policy and the strong stimulus from decreased commodity prices. We do not expect an increase in euro area inflation during 2016, but prices will grow by around 1% in 2017, because the dampening effects of decreasing energy prices slowly fade off and the euro remains rather weak. However, risks for this cautiously optimistic forecast are substantial. New shadows on the financial sector, the uncertainty about whether or not the British will vote in favour of membership in the European Union and the lack of a viable political solution for the refugee crisis are some of the main uncertainties behind these forecasts.
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EFN Report Spring 2015: Economic Outlook for the Euro Area in 2015 and 2016

EFN Reports, No. 2, 2015
Abstract
Recent movements on world markets for commodities, currencies and capital stimulate the world economy, but they entail also considerable risks: income losses of energy exporting countries might trigger financial crises with worldwide repercussions; crises might also emerge from financial distress of emerging market debtors with liabilities denominated in US dollars. Extremely low interest rates might not only trigger stock and bond price booms, but also more volatility if investors become fearful of financial bubbles. Quite a few conditions are highly beneficial for a recovery of the euro area economy: governments and large corporations benefit from ultra-low bond yields, banks’ composite costs of debt financing have been converging during the past two years to very low levels, and borrowing costs for non-financial corporations have come down markedly. Prices for stocks, bonds and (on average) houses have gone up. Real disposable incomes of private households have risen due to oil prices. The real effective exchange rate is about 10% lower in March 2015 than it was a year ago, strengthening the price competitiveness of firms in the euro area. According to our forecasts, the euro area GDP will grow by 1.6% in 2015 and by 2.1% in 2016. Structural impediments, however, still limit the ability of the euro area economy to grow strongly: firms and, in particular, private households are only slowly reducing their heavy debt burdens, and confidence will not fully come back in France and Italy, as long as reform processes are inconclusive in both countries and as long as unemployment is not coming down markedly. Our inflation forecast for 2015 is 0.1%, with the possibility of a mild deflation not excluded. In 2016 inflation will increase up to 1.3%, still clearly below the 2% ECB’s target. This calls for continued monetary expansion, though its effects could be limited in the absence of a complementary fiscal stimulus, in particular in those countries where the implementation of structural reforms brings long term gains but short term losses.
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Switching to Exchange Rate Flexibility? The Case of Central and Eastern European Inflation Targeters

Andrej Drygalla
FIW Working Paper, No. 139, 2015
Abstract
This paper analyzes changes in the monetary policy in the Czech Republic, Hungary, and Poland following the policy shift from exchange rate targeting to inflation targeting around the turn of the millennium. Applying a Markovswitching dynamic stochastic general equilibrium model, switches in the policy parameters and the volatilities of shocks hitting the economies are estimated and quantified. Results indicate the presence of regimes of weak and strong responses of the central banks to exchange rate movements as well as periods of high and low volatility. Whereas all three economies switched to a less volatile regime over time, findings on changes in the policy parameters reveal a lower reaction to exchange rate movements in the Czech Republic and Poland, but an increased attention to it in Hungary. Simulations for the Czech Republic and Poland also suggest their respective central banks, rather than a sound macroeconomic environment, being accountable for reducing volatility in variables like inflation and output. In Hungary, their favorable developments can be attributed to a larger extent to the reduction in the size of external disturbances.
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Has Labor Income Become More Volatile? Evidence from International Industry-Level Data

Claudia M. Buch
German Economic Review, No. 4, 2013
Abstract
Changes in labor market institutions and the increasing integration of the world economy may affect the volatility of capital and labor incomes. This article documents and analyzes changes in income volatility using data for 11 industrialized countries, 22 industries and 35 years (1970–2004). The article has four main findings. First, the unconditional volatility of labor income has declined in parallel to the decline in macroeconomic volatility. Second, the industry-specific, idiosyncratic component of labor income volatility has hardly changed. Third, cross-sectional heterogeneity is substantial. If anything, the labor incomes of high- and low-skilled workers have become more volatile relative to the volatility of capital incomes. Fourth, the volatility of labor income relative to the volatility of capital income declines in the labor share. Trade openness has no clear-cut impact.
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Leverage, Balance-Sheet Size and Wholesale Funding

H. Evren Damar, Césaire Meh, Yaz Terajima
Journal of Financial Intermediation, No. 4, 2013
Abstract
Positive co-movements in bank leverage and assets are associated with leverage procyclicality. As wholesale funding allows banks to quickly adjust leverage, banks with wholesale funding are expected to exhibit higher leverage procyclicality. Using Canadian data, we analyze (i) if leverage procyclicality exists and its dependence on wholesale funding, (ii) market factors associated with this procyclicality, and (iii) if banking-sector leverage procyclicality forecasts market volatility. The findings suggest that procyclicality exists and that its degree positively depends on use of wholesale funding. Furthermore, funding-market liquidity matters for this procyclicality. Finally, banking-sector leverage procyclicality can forecast volatility in the equity market.
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EFN Report Summer 2013: Economic Outlook for the Euro Area in 2013 and 2014

, 2013
Abstract
The structural problems in emerging economies, the still mild recovery in the USA and the on-going crisis in the euro area will probably keep world economic growth subdued at least for the rest of 2013. Current and expected future monetary policy in Japan and, in particular, in the USA have heightened volatility in global bond and stock markets, including those of the euro area, though much less than during the crisis episodes. The process of consolidation of public finance in many euro area countries has become slightly less ambitious but it will continue to weigh on the economy in 2013, though less than in 2012. For this reason and for the lower expected global growth, we have revised downward our GDP forecasts for 2013 from previous reports. Now, we expect GDP to be -0.5 per cent lower in 2013 than in 2012, with considerable risks of an even stronger contraction. In 2014, when fiscal policy might be close to neutral, and if reforms continue to be, by and large, successfully implemented, the euro area economy should start to close its wide output gap with an expected GDP growth of about 1.2%, again subject to downwards risks. Moreover, this will not be sufficient to lower the unemployment rate, which actually could further increase to about 12.5%. The interest rates cut in May 2013 shows the will of the ECB to keep monetary policy expansive, but credit conditions and lending rates remain quite heterogeneous across the member countries. Despite the interest rate cut, euro area inflation is still very likely to remain significantly below the ECB target throughout our forecasting period. Our inflation expectations for 2013 have moderated to a y-o-y rate of 1.5%, and they remain subdued also in 2014, at about 1.4%.
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EFN Report Spring 2011: Economic Outlook for the Euro Area in 2011 and 2012

, 2011
Abstract
Our baseline scenario for the world economy in 2011 and 2012 is a continuation of the upswing, because growth dynamics continue to be high in emerging economies, monetary policy will in general continue to be expansive, and the factors that dampen the recovery in many advanced economies are slowly declining. There are two main downward risks for this prospect: first, low interest rates and high growth might drive commodity prices to disruptive levels. Second, waning confidence in financial markets might enhance volatility and enforce further extensivemeasures of consolidation in advanced economies.
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Great Moderation at the Firm Level? Unconditional vs. Conditional Output Volatility

Claudia M. Buch, Jörg Döpke, K. Stahn
B.E. Journal of Economic Analysis and Policy, No. 1, 2009
Abstract
We test whether there has been a “Great Moderation“ of output volatility at the firm level. The multifactor residual model proposed by Pesaran (2006) is used to isolate the idiosyncratic component of firms' sales growth from macroeconomic developments. This methodology is applied to a balanced panel of about 1,200 German firms covering a 35-year period (1971-2005). Our research has three main findings. First, unconditional firm-level volatility and aggregate output volatility have seen similar downward trends. Second, conditional, idiosyncratic firm-level volatility does not exhibit a downward trend. Third, there is a positive link between growth and volatility at the firm level.
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Does Export Openness Increase Firm-level Output Volatility?

Claudia M. Buch, Jörg Döpke, H. Strotmann
World Economy, No. 4, 2009
Abstract
There is a widespread concern that increased trade may lead to increased instability and thus risk at the firm level. Greater export openness can indeed affect firm-level volatility by changing the exposure and the reaction of firms to macroeconomic developments. The net effect is ambiguous from a theoretical point of view. This paper provides firm-level evidence on the link between openness and volatility. Using comprehensive data on more than 21,000 German manufacturing firms for the period 1980–2001, we analyse the evolution of firm-level output volatility and the link between volatility and export openness. Our paper has three main findings. First, firm-level output volatility is significantly higher than the level of aggregate volatility, but it displays similar patterns. Second, increased export openness lowers firm-level output volatility. This effect is primarily driven by variations along the extensive margin, i.e. by the distinction between exporters and non-exporters. Variations along the intensive margin, i.e. the volume of exports, tend to have a dampening impact on volatility as well. Third, small firms are more volatile than large firms.
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