The gas price shock has been a major contributor to inflation in Germany. In this context, Dullien and Weber (2022a, b, c) proposed a two-tier pricing scheme for natural gas in the spring of 2022 that lowers the price for a base quota through a subsidy while maintaining high market prices on the...

Identification based on higher moments has drawn increasing theoretical attention and been widely adopted in empirical practice in macroeconometrics in the last two decades. This article reviews two parallel strands of the literature: identification strategies based on heteroskedasticity and...

This paper estimates a Bayesian VAR for the US economy which includes a housing sector and addresses the following questions. Can developments in the housing sector be explained on the basis of developments in real and nominal GDP and interest rates? What are the effects of housing demand shocks...

New Zealand's unrelenting current account deficits, its trade performance and high external debt level remain central to ongoing economic policy debates. However, what has been overlooked in the discussion of New Zealand's economic relations with its trading partners is the positive contribution...

This paper investigates determinants of convergence in GDP per capita in the euro area and the EU between 1995 and 2021. It finds that the COVID-19 crisis temporarily slowed convergence but the estimated negative impact is significantly smaller than during the global financial crisis. Diverging...

This paper studies the relevance of strategic trade effects in the environmental policy for the European electricity sector. The production, investment and trade of electricity are modelled for four European countries. Three market regimes are distinguished: perfect competition, price regulation...

This paper examines how the option of a regulated linear input price affects vertical contracting, where a monopolistic upstream supplier sequentially offers supply contracts to two symmetric downstream firms. We find that equilibrium contracts vary with production cost and regulated price...

Die von der Bundesregierung geplante Verschärfung der Preissetzungsregeln im Einzelhandel sieht vor, dass Einzelhändler Güter nicht mehr zu Preisen verkaufen dürfen, die unter den Einstandspreisen liegen. Eine solche Preispolitik ist schon heute unzulässig, wenn damit kleinere Konkurrenten...