Expectation Formation, Financial Frictions, and Forecasting Performance of Dynamic Stochastic General Equilibrium Models
Oliver Holtemöller, Christoph Schult
Abstract
In this paper, we document the forecasting performance of estimated basic dynamic stochastic general equilibrium (DSGE) models and compare this to extended versions which consider alternative expectation formation assumptions and financial frictions. We also show how standard model features, such as price and wage rigidities, contribute to forecasting performance. It turns out that neither alternative expectation formation behaviour nor financial frictions can systematically increase the forecasting performance of basic DSGE models. Financial frictions improve forecasts only during periods of financial crises. However, traditional price and wage rigidities systematically help to increase the forecasting performance.
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14.06.2018 • 14/2018
Current economic outlook: German upswing is slowing down
In summer 2018, the world economy is still rather strong. Dynamics in the euro area, however, have declined markedly, and the cyclical upswing in Germany has almost stalled, due to weaker exports. “Gross domestic product will, according to this forecast, expand by 1.7% in 2018 and by 1.6% in 2019. Growth in East Germany will be about as strong as in Germany as a whole”, says Oliver Holtemöller, head of the Department Macroeconomics and vice president at IWH.
Oliver Holtemöller
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19.04.2018 • 7/2018
Joint Economic Forecast Spring 2018: Germany’s Economic Experts Raise Forecast Slightly
Berlin, 19 April – Germany’s leading economic experts raised their forecasts for 2018 and 2019 slightly in their Spring Joint Economic Forecast released on Thursday in Berlin. They now expect economic growth of 2.2 percent for this year and 2.0 percent for 2019, versus 2.0 percent and 1.8 percent respectively in their autumn forecast. “The German economy is still booming, but the air is getting thinner as unused capacities are shrinking“, notes Timo Wollmershaeuser, ifo Head of Economic Forecasting. Commenting on the new German government’s economic policy, he adds: “It is precisely when the government’s coffers are full that fiscal policy should reflect the implications of its actions for overall economic stability and the sustainability of public finances. The extension of statutory pension benefits outlined in the coalition agreement runs counter to the idea of sustainability.”
Oliver Holtemöller
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Germany’s Economic Experts Raise Forecast Slightly: Joint Economic Forecast Spring 2018
Externe Monographien,
2018
Abstract
Die Boomphase der deutschen Wirtschaft setzt sich fort. Allerdings wird die Luft dünner: Die noch verfügbaren gesamtwirtschaftlichen Kapazitäten werden allmählich knapper, sodass die Konjunktur etwas an Schwung verliert. Dennoch bleibt das Tempo hoch: Der Aufschwung der Weltwirtschaft wird die Exporte weiter anregen; auch die Binnenwirtschaft dürfte bei außerordentlich günstiger Lage auf dem Arbeitsmarkt schwungvoll bleiben. Zusätzlich dürfte die neue Bundesregierung durch die im Koalitionsvertrag vereinbarten fiskalischen Maßnahmen die Nachfrage stimulieren. Im Jahresdurchschnitt dürfte die Wirtschaftsleistung um 2,2 Prozent in diesem und um 2,0 Prozent im kommenden Jahr expandieren. Damit heben die Institute ihre Einschätzung für den Zuwachs des Bruttoinlandsprodukts in beiden Jahren um jeweils 0,2 Prozentpunkte gegenüber ihrer Herbstdiagnose 2017 an. Die Beschäftigung dürfte weiter spürbar steigen, aber aufgrund von Knappheit auf dem Arbeitsmarkt schwächt sich der Beschäftigungsaufbau ab. Zugleich dürften die Bruttolöhne recht spürbar zulegen. Auch die Inflationsrate zieht allmählich an, von 1,7 Prozent in diesem auf 1,9 Prozent im kommenden Jahr.
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15.03.2018 • 3/2018
Consistently strong economy, but risks are increasing
The global upswing continues in 2018. The German economy is cur-rently in a boom and is increasingly coming up against capacity limits. “According to our forecast, gross domestic product will expand by 2.2% in 2018; the general government surplus will amount to 1.1% in relation to gross domestic product. Economic growth in East Germany is likely to be slightly below the German growth rate”, says Oliver Holtemöller, head of the Department Macroeconomics and IWH vice president.
Oliver Holtemöller
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28.09.2017 • 35/2017
Joint Economic Forecast—Autumn 2017: Upturn Remains Robust—Amid Mounting Tensions
The German economic upturn has gained both in terms of strength and breadth. In addition to consumer spending, external trade and investments are now also contributing to economic expansion. These are the conclusions drawn by the economic research institutes in their autumn report for the German federal government. Whereas the very high economic momentum in the first half of the current year will slow slightly, expansion of economic output this year and next will exceed production capacity growth. As a result, overall capacity utilization will increase, with economic output exceeding potential output. Gross Domestic Product is likely to grow by 1.9 percent this year and by 2 percent in 2018 (calendar-adjusted: 2.2 and 2.1 percent, respectively).
Oliver Holtemöller
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