Why did OPEC not cut oil production in the wake of 2014's price fall? This study aims at aiding the mostly qualitative discussion with quantitative evidence from computing quarterly partial market equilibria Q4 2011 – Q4 2015 under present short-term profit maximisation and different...

In this study, we report on the current state of the international market for crude oil. The market data we analyzed indicate that competition has intensified as a result of the now firmly-established shale oil extraction industry in the U.S. Model-based simulations also show that supply-side...

As in many African countries, crude oil importation is a major drain on the economy of Ghana. We estimate short-run and long-run import demand models for crude oil using data over the period 1980-2012. Results show that demand for crude oil is price inelastic in the short-run but elastic in the...

COVID-19 poses an unprecedented threat to components of global business cycles including stock markets, industrial production and employment. This study investigated its impact on stock markets of 24 oil producing COVID-19-hit economies in North America, South America, Europe, Asia, Oceania and...

This is a survey of the economic principles that underlie antitrust law and how those principles relate to competition policy. We address four core subject areas: market power, collusion, mergers between competitors, and monopolization. In each area, we select the most relevant portions of...

Switching costs are a leading cause of customer lock-in in banking, reducing the extent of competition and increasing market power in this industry. This paper tries to estimate these costs using a methodology that does not require customer microdata. The estimates obtained here-using bank...

Media industries are important drivers of popular culture. A large fraction of leisure time is devoted to radio, magazines, newspapers, the Internet, and television (the illustrative example henceforth). Most advertising expenditures are incurred for these media. They are also mainly supported...

This chapter focuses on the economic mechanisms at work in recent models of advertising finance in media markets developed around the concept of two-sided markets. The objective is to highlight new and original insights from this approach, and to clarify the conceptual aspects. The chapter first...