Introductory economics courses emphasize opportunity cost, comparative advantage and specialization to show the … comparative advantage. We test students who have been exposed to the typical textbook and classroom presentation of specialization … and trade with real but paradoxical situations where the same goods are both imported and exported by a country. Students …

This article investigates the macro-level drivers of adult-age language learning. We construct a new dataset that … covers German language learning in 77 countries (including Germany) for 1992-2006. Fixed-effects regressions show that … language learning in the EU is strongly associated with immigration. Instead, immigration by non-EU citizens in associated with …

We report two information cascade game experiments that directly test the impact of altruism on observational learning … substantial public information which increases the earnings of participants. In Experiment 2, participants have better … opportunities to learn about the strategies played by observed which amplifies the impact of altruism on observational learning …

The paper investigates social-learning when the information structure is not commonly known. Individuals repeatedly … interact in social-learning settings with distinct information structures. In each round of interaction, they use their … behavior in the long-run if and only if individuals distinguish social-learning settings and receive rich feedback after each …

learning, and even idiosyncratic variation. Our paper cautions that the slider task will be underpowered for uncovering a …

Learning profiles, that track changes in student skills per year of schooling, often find shockingly low learning gains …. Using data from three recent studies in South Asia and Africa, we show that a majority of students spend years of … instruction with no progress on basics. We argue shallow learning profiles are in part the result of curricular paces moving much …

The paper is devoted to an econometric analysis of learning foreign languages in all parts of the world. Our sample … covers 193 countries and 13 important languages. Four factors significantly explain learning, two of which affect the broad … learning while the world population of speakers of the native language generally discourages it. Trade with speakers of a …