In the past decade, hundreds of impact evaluation studies have measured the learning outcomes of education interventions in developing countries. The impact magnitudes are often reported in terms of "standard deviations," making them difficult to communicate to policy makers beyond education...

Social scientists frequently rely on the cardinal comparability of test scores to assess achievement gaps between population subgroups and their evolution over time. This approach has been criticized due to the ordinal nature of test scores and the sensibility of results to order-preserving...

A strong regulatory framework can provide essential tools for remote transactions and improve trust in digital trade. Yet, regulations can also introduce restrictions that hamper the conditions for digital markets. Based on a database of 20 Middle East and North Africa countries and 20...