We investigate the effects of female executives on gender-specific wage distributions and firm performance. Female leadership has a positive impact at the top of the female wage distribution and a negative impact at the bottom. The impact of female leadership on firm performance increases with the share of female workers. We account for the endogeneity induced by non-random executives’ gender by including firm fixed-effects, by generating controls from a two-way fixed-effects regression and by using instruments based on regional trends. The findings are consistent with a model of statistical discrimination in which female executives are better at interpreting signals of productivity from female workers. This suggests substantial costs of women under-representation among executives.

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We present evidence from nearly 14,000 American Red Cross blood drives and from a natural field experiment showing that economic incentives have a positive effect on blood donations without increasing the fraction of donors who are ineligible to donate. The effect increases with the incentive's economic value. However, a substantial proportion of the increase in donations is explained by donors leaving neighboring drives without incentives to attend drives with incentives; this displacement also increases with the economic value of the incentive. We conclude that extrinsic incentives stimulate pro-social behavior, but unless displacement effects are considered, the effect may be overestimated. (JEL D64, H41, I12)

Field-based evidence suggests that guidelines against economic rewards to motivate blood donors should be reconsidered.

Standard-Nutzungsbedingungen:Die Dokumente auf EconStor dürfen zu eigenen wissenschaftlichen Zwecken und zum Privatgebrauch gespeichert und kopiert werden.Sie dürfen die Dokumente nicht für öffentliche oder kommerzielle Zwecke vervielfältigen, öffentlich ausstellen, öffentlich zugänglich machen, vertreiben oder anderweitig nutzen.Sofern die Verfasser die Dokumente unter Open-Content-Lizenzen (insbesondere CC-Lizenzen) zur Verfügung gestellt haben sollten, gelten abweichend von diesen Nutzungsbedingungen die in der dort genannten Lizenz gewährten Nutzungsrechte. www.econstor.eu The Institute for the Study of Labor (IZA) in Bonn is a local and virtual international research center and a place of communication between science, politics and business. IZA is an independent nonprofit organization supported by Deutsche Post Foundation. The center is associated with the University of Bonn and offers a stimulating research environment through its international network, workshops and conferences, data service, project support, research visits and doctoral program. IZA engages in (i) original and internationally competitive research in all fields of labor economics, (ii) development of policy concepts, and (iii) dissemination of research results and concepts to the interested public. Terms of use: Documents in D I S C U S S I O N P A P E R S E R I E SIZA Discussion Papers often represent preliminary work and are circulated to encourage discussion. Citation of such a paper should account for its provisional character. A revised version may be available directly from the author.IZA Discussion Paper No. 4458 September 2009 ABSTRACT Do All Material Incentives for Prosocial Activities Backfire? The Response to Cash and Non-Cash Incentives for Blood DonationsExperimental studies document that financial rewards discourage the performance of altruistic activities, because they destroy intrinsic altruistic motivations. We set up a randomized-controlled experiment, through a survey administered to 467 blood donors in an Italian town, and find that donors are not reluctant to receive compensation in general: A substantial share of respondents declared they would stop being donors if paid a small amount of cash, but we do not find such effects when a voucher of the same nominal value is offered instead. The aversion to direct cash payments is particularly marked among women and older respondents, while there are neither gender nor age differences in the response to the voucher. Implications for research and public policy are discussed. JEL Classification:D12, D64, I18

Patient satisfaction surveys are an increasingly common element of efforts to evaluate the quality of healthcare. Many patient satisfaction surveys in low/middle-income countries frame statements positively and invite patients to agree or disagree, so that positive responses may reflect either true satisfaction or bias induced by the positive framing. In an experiment with more than 2200 patients in Nigeria, we distinguish between actual satisfaction and survey biases. Patients randomly assigned to receive negatively framed statements expressed significantly lower levels of satisfaction (87%) than patients receiving the standard positively framed statements (95%—p<0.001). Depending on the question, the effect is as high as a 19 percentage point drop (p<0.001). Thus, high reported patient satisfaction likely overstates the quality of health services. Providers and policymakers wishing to gauge the quality of care will need to avoid framing that induces bias and to complement patient satisfaction measures with more objective measures of quality.

We study how intentions to comply with the self-isolation restrictions introduced in Italy to mitigate the COVID-19 epidemic respond to the length of their possible extension. Based on a survey of a representative sample of Italian residents (N=894), we find that respondents are more likely to express the intention to reduce, and less willing to increase their self-isolation effort if negatively surprised by a given hypothetical extension, i.e. if the extension is longer than what they expected. These intentions are stronger among respondents who reported high compliance with the isolation prescriptions. In a context where individual compliance has collective benefits, but full enforcement is costly and controversial, communication and persuasion have a fundamental role. Our findings provide insights to public authorities on how to manage people's expectations in public health emergencies that require prolonged lockdown measures.

We conducted a field experiment with the American Red Cross to study the effects of economic incentives on volunteer activities. The experiment was designed to assess local and short-term effects, but also spatial and temporal substitution, heterogeneity and spillovers. Subjects offered $5, $10, and $15 gift cards to give blood were more likely to donate, and more so for the higher reward values. The incentives also led to spatial displacement and a short-term shift in the timing of donation activity, but no long-term effects. Many of the effects were also heterogeneous in the population. We also detected a spillover effect whereby informing some individuals of rewards through official ARC channels led others who were not officially informed to be more likely to donate. Thus the effect of incentives on pro-social behavior includes not only the immediate local effects, but also spatial displacement, social spillovers and dramatic heterogeneity. We discuss the implications of these findings for organizations whose activities rely on volunteers for the supply of key inputs or products, as well as for government agencies and public policy.