This paper assesses the degree of bank competition and discusses efficiency with regard to banks' financial intermediation in Ghana. By applying panel data to variables derived from a theoretical model, we find evidence for a noncompetitive market structure in the Ghanaian banking system, which...

We argue that strong globalization forces have been an important determinant of globalreal interest rates over the last five decades, as they have been key drivers of changes inthe natural real interest rate-i.e. the interest rate consistent with output at its potentialand constant inflation. An...

This paper argues that the type of COVID-19 containment measures affects the trade-offs between infection cases, economic activity and sovereign risk. Using local projection methods and a year and a half of high-frequency daily data covering 44 advanced and emerging economies, we find that smart...

We provide systematic evidence on cartels’ characteristics, using novel data on cases investigated by the French Competition Authority. These practices are widely spread across sectors and cartel members are typically among the top firms in their industries. In a model with heterogeneous firms...

We quantify the effect of vaccinations on economic activity in the United States using weekly county level data covering the period end-2020 to mid-2021. Causal effects are identified through instrumenting vaccination rates with county-level pharmacy density interacted with state-level vaccine...

We show that firms’ market power dampens the response of their output to monetary policy shocks, using firm-level data for the United States and a large cross-country firm-level dataset for 14 advanced economies. The estimated impact of a firm’s markup on its response to a monetary policy...

Healthcare in the United States is the most expensive in the world, with real per capita spending growth averaging 4 percent since 1980. This paper examines the role of market power of U.S. healthcare providers and pharmaceutical companies. It finds that markups (the ability to charge prices...

The spread of the COVID-19 pandemic and government interventions have reshaped economic activity with abrupt changes in household consumption behavior across the world. This paper provides an empirical investigation of how the COVID-19 vaccine rollout has affected consumer spending at daily...

This paper examines the sizable role of rehypothecation in the shadow banking system. Rehypothecation is the practice that allows collateral posted by, say, a hedge fund to its prime broker to be used again as collateral by that prime broker for its own funding. In the United Kingdom, such use...

This paper introduces a comprehensive database on bank ownership for 137 countries over 1995-2009, and reviews foreign bank behavior and impact. It documents substantial increases in foreign bank presence, with many more home and host countries. Current market shares of foreign banks average 20...