International quality measurement work is moving beyond the consideration of health system or national level variations to understand variations within countries and enable more meaningful cross-country comparison. Hospital performance is one key area where policy makers are increasing their...

It is often assumed that consumers benefit from the internet because it offers a "long tail" with more variety of products to choose from. However, search costs may block the long tail effect and result in the dominance of superstars. This paper examines the variety hypothesis in the entire...

We analyze the top tail of the wealth distribution in Germany, France, and Spain based on the first and second wave of the Household Finance and Consumption Survey (HFCS). Since top wealth is likely to be underrepresented in household surveys, we integrate big fortunes from rich lists, estimate...

The paper provides a first assessment of the range of governance statistics that are available in OECD countries, reaching three main conclusions. First, while several statistics relating to various aspects of governance are already available, they differ in terms of the underlying concepts, the...

The quality of banknotes in the cash cycles of countries in the Eurosystem varies, despite all of these countries using identical euro banknotes. While it is known that this is dependent on national characteristics, such as public use and the involvement of the central bank in cash processing...

A key policy concern in recent years has been the decline in levels of trust by citizen in public institutions. Trust is one of the foundations upon which the legitimacy and sustainability of political systems are built. It is crucial to the implementation of a wide range of policies and...

The present paper develops Adaptive Trees, a new machine learning approach specifically designed for economic forecasting. Economic forecasting is made difficult by economic complexity, which implies non-linearities (multiple interactions and discontinuities) and unknown structural changes (the...

In carrying out its banking supervision tasks as part of the Single Supervisory Mechanism (SSM), the European Central Bank (ECB) collects and disseminates data on significant and less significant institutions. To ensure harmonised supervisory reporting standards, the data are represented through...

Productivity growth is slowing down among OECD countries, coupled with increased misallocation of resources. A recent strand of literature focuses on the role of non-viable firms (“zombie firms”) to explain these developments. Using a rich firm-level dataset for one of the OECD countries...

We examine the relationship between lax monetary policy, access to high-yield bond markets and productivity in the US between 2008 and 2016. Using monetary policy surprises, obtained from changes in interest rates futures in narrow windows around FOMC announcements, we isolate the increased...