Natalia Jiménez

Natalia Jiménez
Universidad Pablo de Olavide | UPO · Department of Economy, Cuantitative Methods and Economic History

PhD in Economics

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30
Publications
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549
Citations

Publications

Publications (30)
Article
A wide range of personal choices rely on the opinions or ratings of other individuals. This information has recently become a convenient way of simplifying the decision process. For instance, in online purchases of products and services, the possible choices or alternatives are often characterized by their position in a certain presentation order (...
Article
According to Alesina and Angeletos (2005), societies are less redistributive but more efficient when the median voter believes that effort and talent are much more important than luck in determining income. We test these results through a lab experiment in which participants vote over the tax rate and their pre-tax income is determined according to...
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We test for the construct validity of the cognitive reflection test (CRT) by eliciting response times. We find that incorrect answers to the CRT are quicker than correct answers. At the individual level, we classify subjects into impulsive and reflective, depending on whether they choose the incorrect intuitive answer or the correct answer the majo...
Article
We investigate an experimental labor market setting in which we introduce the novel aspect that workers have the chance of investing money in a long-term project in order to increase their income. We find a strong relationship between what happens inside the labor market (worker's performance) and what happens outside the labor market (long-term in...
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This paper surveys some of the mechanisms that have been proposed by the experimental literature to elicit social networks. These mechanisms differ in their incentive structures, as well as the means of reward they employ. We compare these elicitation devices on the basis of the estimated differences in the characteristics of the induced networks,...
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En las últimas tres décadas ha habido un drástico y continuo incremento del uso de la metodología experimental en diversas áreas de la economía. Una de las más prolíficas se ha centrado en el estudio del mercado laboral. La mayoría de los experimentos llevados a cabo han versado sobre teoría de contratos, negociación, incentivos, preferencias socia...
Article
The notions of one's social identity and group membership have recently become topics for economic theory and experiments, and recent research has shown the importance of identity in a wide array of economic environments. But predictions are unclear when there is some trade-off between one's identity (e.g., race, gender, handedness) and potential m...
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Limited attention has been devoted on how (real-life) social networks are elicited and mapped, even less from the viewpoint of mechanism design. This paper surveys the few mechanisms that have been proposed by the experimental literature to this purpose. These mechanisms di er in their incentive structure, as well as in the means of reward they emp...
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This paper analyzes the effect on performance and earnings of delegating the wage choice to employees. Our results show that such delegation significantly increases effort levels. Moreover, we observe a Pareto improvement, as the earnings of both employers and employees increase when employers delegate than when they do not. Interestingly, we also...
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We provide empirical evidence to support the claims that social diversity promotes prosocial behavior. We elicit a real-life social network and its members’ adherence to a social norm, namely inequity aversion. The data reveal a positive relationship between subjects’ prosociality and several measures of centrality. This result is in line with the...
Article
We report on a two-stage experiment in which (i) we first elicit the social network within a section of undergraduate students and (ii) we then measure their altruistic attitudes by means of a standard Dictator game. We observe that more socially integrated subjects are also more altruistic, as betweenness centrality and reciprocal degree are posit...
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This paper analyzes the effect of delegation on the employees’ performance in an experimental gift exchange game where employers may allow workers to choose their own wage. Our results show that workers reciprocate positively towards companies that delegate the decision of the wage, obtaining that higher effort levels are displayed when workers are...
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Also published as Working Paper DFAEII 2009-05 and as an article in: Games and Economic Behavior, 2010, vol. 69, issue 2, pages 249-257.
Article
This work presents the design of a mechanism to elicit latent social networks. Subjects are invited to reveal their friends’ names, together with a “strength” (from acquaintance to friend) measuring the valuation of the relationship. According to the mechanism, subjects are rewarded with a fixed price either a) if the strengths of a randomly select...
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This paper presents a first attempt to measure inequality aversion among gypsies. We conducted an experiment among adult gypsies living at slums outside Vallecas (Madrid). To analyze this variable we use the mechanism provided by Kroll & Davidovitz (2003) among 38 voluntary participants. Results indicate that: i) 52,6% of the individuals are inequa...
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Full-text available
This paper presents a first attempt to measure inequality aversion among gypsies. We conducted an experiment among adult gypsies living at slums outside Vallecas (Madrid). To analyze this variable we use the mechanism provided by Kroll & Davidovitz (2003) among 38 voluntary participants. Results indicate that: i) 52,6% of the individuals are inequa...
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This paper studies the e¤ect of social relations on the convergence to the e¢ cient equilibrium in a 2x2 coordination game. We employ a 2x2 factorial design in which we explore two di¤erent games with asymmetric payo¤s and two matching protocols: .friends.versus .strangers.. In the .rst game payo¤s of the worse o¤ player are the same in the two equ...
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This paper analyzes if men and women are expected to behave dif- ferently regarding altruism. Since the dictator game provides the most suitable design for studying altruism and generosity in the lab setting, we use a modi.ed version to study the beliefs involved in the game. Our results are substantial: men and women are expected to behave di¤er-...
Article
This study explores the ways in which information about other individual's action affects one's own behavior in a dictator game. The experimental design discriminates behaviorally between three possible effects of recipient's within-game reputation on the dictator's decision: Reputation causing indirect reciprocity, social influence, and identifica...
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http://adsabs.harvard.edu//abs/2007AIPC..887..260B COOPERATIVE BEHAVIOR IN NEURAL SYSTEMS: Ninth Granada Lectures. AIP Conference Proceedings, Volume 887, pp. 260-260 (2007). This paper explores the role of social integration on altruistic behavior. To this aim, we develop a two-stage experimental protocol based on the classic Dictator Game. In the...
Article
This paper explores the effect of the possibility of third-party intervention on behavior in a variant of the Berg, Dickhaut, and McCabe (1995) “Investment Gameâ€. A third party’s material payoff is not affected by the decisions made by the other participants, but this person may choose to punish a responder who has been overly selfish. The con...
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This paper shows that increases in the minimum wage rate can have ambiguous effects on the working hours and welfare of employed workers in competitive labor markets. The reason is that employers may not comply with the minimum wage legislation and instead pay a lower subminimum wage rate. If workers are risk neutral, we prove that working hours an...
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Increasing environmental performance is one of the changes involved by sustainable development and became a condition of success in economic activities. Efforts invested in this direction are explained by a number of strategic advantages – operational ecoefficiency, reputation, strategic direction, risk management, human resources management, produ...
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This paper proposes an original mechanism to elicit latent social networks. Subjects are invited to reveal their friends’ name and surname, together with a score measuring the strength of relationship. According to the mechanism, subjects are rewarded of a fixed price either a) when they do not name anybody or b) when the scores of a randomly selec...
Article
This paper explores the role of social integration on inequity concerns. To this aim, we use a two-phase experimental protocol. In the …rst phase, we elicit a social network of a group of 169 undergraduate students in Economics; in the second phase, each of them has to …rst unilaterally create an unequal distribution of a …xed amount of money betwe...

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Projects (2)
Project
Online search engines use a default ranking to present alternatives to consumers. The salience of an alternative is typically described by its position in the presentation order and its popularity, derived from an aggregate signal of the behavior of others. We perform a laboratory experiment to study whether popularity (or social influence) and position have an impact on individuals' choices by comparing three treatments: (i) there is no information on popularity, (ii) popularity and position reinforce each other, and (iii) there is dissonance between popularity and position. Our design allows for the distinction between how agents search (i.e., which alternatives are analyzed first and more thoroughly) and how they choose.