Global economic activity has revived since autumn, and equity markets have rallied at the end of the year. Apparently, some of the measures proposed during the US election campaign by the president elect, such as financial market deregulation, economic stimulus, tax cuts and infrastructure are expected to support the economy in the US and beyond. However, this stimulus bears considerable risks already for the near future: other economies could face considerable problems due to a further appreciation of the dollar, rising financing costs and the withdrawal of capital towards the US. In the euro area, as monetary policy continues its expansive course, financing costs will stay very low in 2017, and fiscal policy will be mildly expansive, although a bit less so than in 2016. Confidence of firms and private households has strengthened in recent months, as has the mood on financial markets. We expect that the recovery will continue at about the pace of 2016. GDP will, according to our forecast, increase by 1.6% in 2017 and by 1.7% in 2018. However, the crisis in the Italian banking sector has intensified. It might also trigger another crisis of confidence in European institutional arrangements: according to the Bank Recovery and Resolution Directive, banks may only be saved with public money if owners and creditors of these banks have contributed to the rescue. At present it seems doubtful whether it would be politically feasible to respect this rule. Regarding inflation, our forecast for 2017 is 1.2%. Although energy prices have risen significantly, price pressures are still low.

Die deutsche Konjunktur bleibt aufgrund der starken Binnennachfrage recht kräftig. Im Jahr 2017 wird die Zuwachsrate des Bruttoinlandsprodukts nach der neuen IWH-Prognose 1,3% betragen. Sie fällt damit etwa einen halben Prozentpunkt geringer aus als im Jahr 2016, dies liegt an einer geringeren Anzahl an Arbeitstagen und an einem negativen Wachstumsbeitrag des Außenhandels. Die Verbraucherpreisinflation bleibt mit 1,3% mäßig. Die Arbeitslosigkeit nimmt wohl etwas zu, dazu trägt bei, dass die Integration Geflüchteter in den Arbeitsmarkt langwierig ist.

As taxpayers typically pay low attention to a small inflation-induced bracket creep of the income tax, policy-makers tend to postpone its correction into the future. However, the fiscal illusion fades away and political pressure for a tax relief arises since after some years the cumulative increase of the average tax rate exceeds a critical threshold. Using Germany as an example, this paper shows that bracket creeps can provoke revenue cycles in public budgets hindering governments’ compliance with the numerical budget rules. An indexation of the tax tariff could prevent such fluctuations and thus provides a favourable framework for the debt rule.

We study the impact of the interaction between fiscal and monetary policy on the low-frequency relationship between the fiscal stance and inflation using cross-country data from 1965 to 1999. In a first step, we contrast the monetary–fiscal narrative for Germany, the U.S., and Italy with evidence obtained from simple regression models and a time-varying VAR. We find that the low-frequency relationship between the fiscal stance and inflation is low during periods of an independent central bank and responsible fiscal policy and more pronounced in times of non-responsible fiscal policy and accommodative monetary authorities. In a second step, we use an estimated DSGE model to interpret the low-frequency measure structurally and to illustrate the mechanisms through which fiscal actions affect inflation in the long run. The findings from the DSGE model suggest that switches in the monetary–fiscal policy interaction and accompanying variations in the propagation of structural shocks can well account for changes in the low-frequency relationship between the fiscal stance and inflation.

We estimate the low-frequency relationship between fiscal deficits and inflation and pay special attention to its potential time variation by estimating a time-varying vector autoregression model for US data from 1900 to 2011. We find the strongest relationship neither in times of crisis nor in times of high public deficits, but from the mid 1960s up to 1980. Employing a structural decomposition of the low-frequency relationship and further narrative evidence, we interpret our results such that the low-frequency relationship between fiscal deficits and inflation is strongly related to the conduct of monetary policy and its interaction with fiscal policy after World War II.