This paper evaluates the learning impact of different teacher training methods using a random controlled trial implemented in 70 state schools in Buenos Aires, Argentina. A control group receiving standard teacher training was compared with two alternative treatment arms: providing a structured...

This paper uses a RCT implemented in state schools in Argentina to estimate the learning impact and cost-effectiveness of different teacher training methods: structured curricula and coaching. Our findings suggest that there is a substantial gain in terms of learning for students with teachers...

How do exporters expand their product scope and geographical presence? We argue that new exporters are uncertain about their profitability in different countries and products, but learn it as they start to export. As a consequence, exporters add products and countries sequentially, in an...