Browsing by Author "Allende, Claudia"
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- ItemApproximating the Equilibrium Effects of Informed School Choice(Institute of Labor Economics (IZA), 2019) Allende, Claudia; Gallego Yañez, Francisco Antonio; Neilson, ChristopherThis paper studies the potential small and large scale effects of a policy designed to produce more informed consumers in the market for primary education. We develop and test a personalized information provision intervention that targets families of public Pre-K students entering elementary schools in Chile. Using a randomized control trial, we find that the intervention shifts parents’ choices toward schools with higher average test scores, higher value added, higher prices, and schools that tend to be further from their homes. Tracking students with administrative data, we find that student academic achievement on test scores was approximately 0.2 standard deviations higher among treated families five years after the intervention. To quantitatively gauge how average treatment effects might vary in a scaled up version of this policy, we embed the randomized control trial within a structural model of school choice and competition where price and quality are chosen endogenously and schools face capacity constraints. We use the estimated model of demand and supply to simulate policy effects under different assumptions about equilibrium constraints. In counterfactual simulations, we find that capacity constraints play an important role mitigating the policy effect but in several scenarios, the supply-side response increases quality, which contributes to an overall positive average treatment effect. Finally, we show how the estimated model can inform the design of a large scale experiment such that reduced form estimates can capture equilibrium effects and spillovers.
- ItemDrivers of public procurement prices: Evidence from pharmaceutical markets(2024) Allende, Claudia; Atal, Juan Pablo; Carril, Rodrigo; Cuesta, Jose Ignacio; Gonzalez-Lira, AndresThis paper examines the determinants of public procurement prices using comprehensive data on pharmaceutical purchases by the public sector in Chile. We first document sizable price differences between buyers for the same product and quantity purchased: the difference between the average prices paid by buyers at the 90th th and 10th th percentiles of the distribution is 16 percent. Our main results are related to the importance of market structure in explaining the dispersion in procurement prices. We find that market structure explains three times more dispersion than buyer effects. Moreover, we leverage exogenous variation in market structure due to patent expirations to estimate that the entry of an additional seller decreases average procurement prices by 11.7 percent, which is 72 percent of the price differences implied by the gap between the 90th th and 10th th percentiles of estimated buyer effects. These results suggest that supply-side factors are relevant determinants of public procurement prices and that their quantitative importance may exceed that of demand-side factors previously emphasized in the literature.