Browsing by Author "Gabrielli, M. Florencia"
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Publication Can transparency increase adverse selection? Evidence from an electronic platform for annuities(2023) Fajnzylber, Eduardo; Gabrielli, M. Florencia; Willington, ManuelWe show that the introduction of an electronic platform in the Chilean annuity market with the objectives of bringing transparency and enhancing competition also exacerbated adverse selection. The longevity gap between male annuitants and non-annuitants increased around 24 monthsPublication Estimating damages from bidding rings in first-price auctions(2023) Gabrielli, M. Florencia; Willington, ManuelBidding rings typically coordinate to rig auctions and keep prices low. Despite bid rigging being pervasive,measuring its damages (i.e., the revenue loss suffered by the auctioneer) is a challenge for antitrust authorities.Indeed, most of the methods to quantify damages compare outcomes of auctions affected by the collusivebehavior with unaffected auctions, requiring data that is hard to obtain. We propose a model-based methodto estimate damages. Its main advantages are that only information on affected auctions is required and thatthe underlying assumptions of the economic model are explicit, so they can be challenged and eventuallymodified for damage reassessment. In a Monte Carlo exercise, we show that our methodology performs wellin moderate-size samples. We apply our method to data from the Ohio milk cartel and estimate damagessimilar to those found in previous studies, even when we discard information from non-affected markets.