"The authors compare the two merger control systems currently employed worldwide: a mandatory system based on merger size threshold and a voluntary system with ex-post monitoring and fines. The voluntary system possesses two informational advantages: (i) the enforcement agency employs more...

Yemen is planning to export gas through Yemen Liquefied Natural Gas (YLNG) starting from 2009. Yemen is also aiming to develop the domestic gas market, in particular gas-to-power. Liquefied Natural Gas (LNG) export revenue and domestic gas sales are expected to partially offset the decline in...

Yemen, the fastest urbanizing country in the Middle East and North Africa region, has a very limited natural resource base and the efficiency of its cities is therefore essential for its future economic growth. However, this efficiency is increasingly handicapped by the poor performance of urban...

The air transport market in Sub-Saharan Africa presents a strong dichotomy. In Southern and East Africa the market is growing: three strong hubs and three major African carriers dominate international and domestic markets, which are becoming increasingly concentrated. In contrast, in Central and...

The COVID-19 pandemic is posing an existential threat to the air transport sector globally, including in Africa. Due to sustained and significant loss of revenue coupled with the presence of several fixed and quasi-fixed inputs in this sector, the survival of carriers is questionable in the...