© 2019 by Christina Gravert

MY PUBLICATIONS

A must lie situation: On the avoidance of giving negative feedback
(with Uri Gneezy, Silvia Saccardo
and Franziska Tausch), Games and Economic Behavior, 102, (2017), issue C, p. 445-454.

We examine under what conditions people provide accurate feedback to others. We use feedback regarding attractiveness, a trait people care about, and for which objective information is hard to obtain. Our results show that people avoid giving accurate face-to-face feedback to less attractive individuals, even if lying in this context comes at a monetary cost to both the person who gives the feedback and the receiver. A substantial increase of these costs does not increase the accuracy of feedback. However, when feedback is provided anonymously, the aversion to giving negative feedback is reduced.

Now or never! The effect of deadlines on charitable giving: Evidence from two natural experiments
(with Mette Trier Damgaard), Journal of Behavioral and Experimental Economics,
66 (2016), 78-87.

Do time constraints impact charitable giving? This paper develops a simple model to show how deadlines can affect the propensity to make a charitable donation. We conduct two field experiments to show empirically the effect of deadlines on charitable giving. About 53,000 prior donors of a large Danish charity received e-mails and text messages with varying deadlines for giving. We find no effect of deadlines on the propensity to give. Instead we observe a ``now-or-never'' effect; either donations are made immediately or not at all.

The effects of the high school curriculum on school dropout (with Katja Goerlitz), Applied
Economics
, 48 (2016), 5314-5328.

High school dropouts and their lower employment prospects are a major concern for developed countries. This article answers the question whether the high school curriculum has the potential to affect students’ dropout decision. Focusing on the curriculum is also motivated by the manifold curriculum reforms or reform initiatives worldwide. Using a quasi-experimental evaluation design, we identify the effects of a curriculum reform on students’ probability to drop out of high school in the short run, i.e. for the first three cohorts graduating under the new curriculum requirements. The reform increased the curriculum requirements in high school, for instance, by reducing the freedom of choice in course selection. The results show that high school dropout rates increased for males and females alike.

The impact of high school course taking on choice of college major - Evidence from a natural experiment (with Katja Goerlitz), Education Economics, 26:3, (2018), 321-336.

This paper evaluates the effects of a high school curriculum reform on students’ probability to enroll at university and to choose a Science, Technology, Engineering or Mathematics (STEM) major. The reform increased the difficulty of graduating from high school by increasing the instruction time in core subjects and by raising the graduation requirements. Based on administrative data covering all students, the analysis is carried out by applying a difference-in-differences model. The results show that the reform increased university enrollment rates for both genders. With regard to choosing STEM as college major, we find a robust positive effect on males.

The hidden costs of Nudging - Experimental Evidence from Reminders in Fundraising (with Mette Trier Damgaard), Journal of Public Economics, 157, (2018), 15-26.

We document the hidden costs of a popular nudge and show how these costs distort policy making when neglected. In a field experiment with a charity, we find reminders increasing intended behavior (donations), but also increasing avoidance behavior (unsubscriptions from the mailing list). We develop a dynamic model of donation and unsubscription behavior with limited attention. We test the model in a second field experiment which also provides evidence that the hidden costs are anticipated. The model is estimated structurally to perform a welfare analysis. Not accounting for hidden costs overstates the welfare effects for donors by factor ten and hides potential negative welfare effects of the charity.

How luck and performance affect stealing. Journal of Economic Behavior and Organization,
93 (2013), 301-304.

This paper investigates how the way of earning payoff affects the probability of stealing. The participants who earned their payoff according to performance were three times more likely to take the (undeserved) maximum payoff than participants with randomly allocated payoff. Conditional on stealing something, most subjects steal the full amount available.

Pride and Patronage - Pay what you want pricing  at a charitable bookstore
Journal of Behavioral and Experimental Economics, Volume 67, April 2017, Pages 1-7.

``Pay-what-you-want'' pricing has proven successful in some settings while failing to be profitable in others. I conduct a field experiment at a charitable bookstore to investigate what role the relationship between the customer and the seller could play in a pay-what-you-want price scheme. When subtly reminded of their participation in the store's membership program, members paid significantly more per book than without a reminder, while this reminder had no effect on non-members. Further, I find evidence that prices are sensitive to quantity chosen and evidence that is in line with a decay in prices over repeated purchases.

Forgetful or reluctant? Evidence on reminder response and donor behavior from panel data. (with Mette Trier Damgaard and Laura Villalobos) The Economics of Philanthropy. Book Chapter

We study reminder response behavior for membership renewals in a large charitable membership program and the interaction with additional giving. Using panel data with over 440,000 member-year observations, we show which characteristics predict renewals and early renewals of the membership program. We further show the negative association between late respondents and additional giving, thus providing evidence against the simple transaction cost model as an explanation for variations in reminder response rates. The study is a first step towards designing a more efficient and more targeted reminder process for charities.

Nudging à la carte - A field experiment on climate friendly food choice. (with Verena Kurz) Behavioral Public Policy, forthcoming

Global food consumption threatens climate stability and ecosystem resilience. Because hard regulation of food choice through taxes and bans is politically difficult, behavioral approaches provide a promising alternative, given that they influence food choice to a meaningful extent. We test the effect of framing of a menu on the choice of ordering climate-friendly dishes in a randomized controlled experiment. Rearranging the menu in favor of vegetarian food has a large and significant effect on the willingness to order a vegetarian dish instead of meat. Our results demonstrate that small, inexpensive interventions can be used toward decreasing carbon emissions from food consumption.

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