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Safe Haven Flows, Natural Interest Rates and Secular Stagnation - Empirical Evidence for Euro Area Countries

Does an improvement in growth prospects lead to a fall in the trade balance? The relevance of this question stems from the tendency for countercyclical fluctuations in the trade balance stressed by both the academic literature and policymakers. However, we do not find that improved growth prospects (news shocks) necessarily lead to negative trade balance effects in the G7 countries. We develop a novel news shocks identification scheme, apply it to country-level vector autoregressions (VARs), and obtain the following results. While in the U.S., news shocks induce a persistent deterioration of the trade balance, the negative trade balance effect in Germany is only temporary. By contrast, in other G7 countries, news shocks induce positive and transitory trade balance effects. Consumption smoothing and substantial fluctuations in investment and labor input are important drivers of these results for the U.S., and less so in other G7 countries. Therefore, policy recommendations to reduce the trade imbalances through productivity-enhancing reforms in advanced economies are likely to yield only temporary effects

We investigate whether the macroeconomic effects of government spending shocks vary with the level of uncertainty. Using postwar US data and a Self-Exciting Interacted VAR (SEIVAR) model, we find that fiscal spending has positive output effects in tranquil times but is contractionary during uncertain times. The endogenous reaction of macroeconomic uncertainty plays an important role in explaining the non-linear impact of government spending. In contrast to other types of government spending, research and development expenditures reduce uncertainty and have an expansionary effect on output during uncertain times.

The interest rate represents an important monetary policy tool to steer investment in order to reach price stability. Therefore, implications of the exact form and magnitude of the interest rate-investment nexus for the European Central Bank's effectiveness in a low interest rate environment gain center stage. We first present a theoretical framework of the hysteretic impact of changes in the interest rate on macroeconomic investment under certainty and under uncertainty to investigate whether uncertainty over future interest rates in the Euro area hampers monetary policy transmission. In this non-linear model, strong reactions in investment activity occur as soon as changes of the interest rate exceed a zone of inaction, that we call 'play' area. Second, we apply an algorithm describing path-dependent play-hysteresis to estimate investment hysteresis using data on domestic investment and interest rates on corporate loans for 5 countries of the Euro area in the period ranging from 2001Q1 to 2018Q1. We find hysteretic effects of interest rate changes on investment in most countries. However, their shape and magnitude differ widely across countries which poses a challenge for a unified monetary policy. By introducing uncertainty into the regressions, the results do not change much which may be due to the interest rate implicitly incorporating uncertainty effects in investment decisions, e.g. by risk premia.

This article compares two types of monetary policy rules - the Taylor-Rule and the Orphanides-Rule - with respect to their forecasting properties for the policy rates of the European Central Bank. In this respect the basic rules, results from estimated models and augmented rules are compared. Using quarterly real-time data from 1999 to the beginning of 2019, we find that an estimated Orphanides-Rule performs best in nowcasts, while it is outperformed by an augmented Taylor-Rule when it comes to forecasts. However, also a no-change rule delivers good results for forecasts, which is hard to beat for most policy rules.

The paper explores the precarious balance between modernizing monetary systems by means of digital currencies (either issued by the central bank itself or independently) and safeguarding financial stability as also ensured by tangible payment (and saving) instruments like paper money. Which aspects of modern payments systems could contribute to improve the way of functioning of today's globalized economy? And, which might even threaten the above mentioned instable equilibrium? This survey-paper aims, precisely, at giving some preliminary answers to a complex - therefore, ongoing - debate at the scientific as well as the banking and the political level.

Since the demise of the Bretton Woods system, the yen has seen several episodes of strong appreciation, including in the late 1970s, after the 1985 Plaza Agreement, the early and late 1990s and after 2008. These appreciations have not only been associated with "expensive yen recessions" resulting from negative effects on exports; since the late 1980s, the strong yen has also raised concerns about a de-industrialisation of the Japanese economy. Against this backdrop, the paper investigates the effects of changes to the yen exchange rate on the hollowing out of the Japanese industrial sector. To this end, the paper uses both aggregate and industry-specific data to gauge the effects of yen fluctuations on the output and exports of different Japanese industries, exploiting new data for industry-specific real effective exchange rates. Our findings support the view that the periods of yen appreciation had more than just transitory effects on Japanese manufacturing. The results also provide indication of hysteresis effects on manufacturing. While there are certainly also other factors that have contributed to a hollowing out of Japanese industry, a strong yen played a role, too.

The asset purchase programme of the euro area, active between 2015 and 2018, constitutes an interesting special case of Quantitative Easing (QE) because the ECB's Public Sector Purchase Programme (PSPP) involved the purchase of peripheral euro area government bonds, which were clearly not riskless. Moreover, these purchases were undertaken by national central banks at their own risk. Intuition suggests, and a simple model confirms, that, ceteris paribus, large purchases by a national central bank of the bonds of their own sovereign should increase the risk for the remaining private bond holders. This might seem incompatible with the observation that risk spreads on peripheral bonds fell when QE in the euro area was announced. However, the initial fall in risk premiums may have been due to expectations of the bond purchases proving effective in lowering risk-free rates. When these expectations were disappointed, risk premiums returned to their initial level. Formal statistical tests confirm that indeed risk premiums on peripheral bonds did not follow a random walk (contrary to what is assumed in event studies). Nor did the announcements of bond buying change the stochastics of these premiums. There is thus no reason to consider the impact effect to have been permanent