"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...

This learning note prepares policymakers to engage with their technical experts and staff in designing and implementing an evidence-informed response to the challenges of existing and future slum settlements. To that end, the note discusses a set of indicators and data analysis techniques needed...

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...

It is generally believed that information and communication technologies (ICTs) can empower teachers and learners, promote change and foster the development of '21st century skills, but data to support these beliefs are still limited. There is widespread belief that ICTs can and will empower...

Client feedback surveys in Africa indicate that the Bank's performance requires strengthening with regard to (a) respect for local cultures, (b) adaptation of knowledge to the local context and (c) incorporation of local knowledge into development efforts. They would like to see greater...

"The authors report results from a randomized evaluation of a merit scholarship program for adolescent girls in Kenya. Girls who scored well on academic exams received a cash grant and had school fees paid. Girls eligible for the scholarship showed significant gains in academic examination...