This paper studies aggregate dynamics in a cobweb model where learning takes place through a selection mechanism, by … economies that differ in the volatility and persistence of their productivity shocks, as well as the elasticity of labor supply … labor supply. Second, optimal selectivity is larger, the more persistent the aggregate productivity shocks.Finally, optimal …

and account for a small share of gross, industry-level changes in exports, employment, output, and productivity. The … distribution of exports are positively correlated with changes in total factor productivity. Our results suggest that plants face … extensive and the intensive margins and the connection between exporting dynamics and plant-level total factor productivity …

This paper investigates the impact of working while in school on learning outcomes through the use of a unique micro … learning outcomes is addressed through the use of a difference-in-difference estimator and it is shown that the results are … robust. A negative and significant effect of working on learning outcomes in both math and Portuguese is found. The effects …

educational phone application, an internet data subsidy, and one-on-one phone learning support. We find that offering an … acting as a signal or nudge. These behavioral changes result in lasting learning gains concentrated among richer households … usage of the targeted educational service limits parental behavioral responses. This implies that learning gains in these …