Papers - All

Rama Katkar, David Lucking-Reiley

Cited by*: 7 Downloads*: 13

Sellers in eBay auctions have the opportunity to choose both a public minimum bid amount and a secret reserve price. We ask, empirically, whether the seller is made better or worse off by setting a secret reserve above a low minimum bid, versus the option of making the reserve public by using it as the minimum bid level. In a field experiment, we auction 50 matched pairs of Pokemon cards on eBay, half with secret reserves and half with equivalently high public minimum bids. We find that secret reserve prices make us worse off as sellers, by reducing the probability of the auction resulting in a sale, deterring serious bidders from entering the auction, and lowering the expected transaction price of the auction. We also present evidence that some sellers choose to use secret reserve prices for reasons other than increasing their expected auction prices.

Andreas Leibbrandt, John A List

Cited by*: 7 Downloads*: 74

One explanation advanced for the persistent gender pay differences in labor markets is that women avoid salary negotiations. By using a natural field experiment that randomizes nearly 2,500 job-seekers into jobs that vary important details of the labor contract, we are able to observe both the nature of sorting and the extent of salary negotiations. We observe interesting data patterns. For example, we find that when there is no explicit statement that wages are negotiable, men are more likely to negotiate than women. However, when we explicitly mention the possibility that wages are negotiable, this difference disappears, and even tends to reverse. In terms of sorting, we find that men in contrast to women prefer job environments where the 'rules of wage determination' are ambiguous. This leads to the gender gap being much more pronounced in jobs that leave negotiation of wage ambiguous.

Douglas Dyer, John H Kagel

Cited by*: 7 Downloads*: 29

Experienced construction industry executives suffer from a winner's curse in laboratory common value auction markets (Dyer et al. [Dyer, D., J. H. Kagel, D. Levin. 1989. A comparison of naive and experienced bidders in common value offer auctions: Laboratory analysis. Econom. J. 99 108-115.]). This paper identifies essential differences between field environments and the economic theory underlying the laboratory markets that account for the executives' success in the field and a winner's curse in the lab. These are (1) industry-specific mechanisms which enable contractors to escape the winner's curse even when they bid too low, (2) learned, industry-specific evaluative processes which enable experienced contractors to avoid the winner's curse in the first place, and (3) important private value elements that underlie bidding. Also identified are a number of industry-specific bidding characteristics whose evolution can be explained using modern auction theory. Lessons are drawn regarding the use of experimental methods in economics.

Vegard Iversen, Cecile Jackson, Bereket Kebede, Alistair Munro, Arjan Verschoor

Cited by*: 7 Downloads*: 23

We test core theories of the household using variants of a public good game and experimental data from 240 couples in rural Uganda. Spouses do not maximise surplus from cooperation and realise a greater surplus when women are in charge. This violates assumptions of unitary and cooperative models. When women control the common account, they receive less than when men control it; this contradicts standard bargaining models. Women contribute less than men and are rewarded more generously by men than vice versa. This casts doubt on postulates in Sen (1990). While the absence of altruism is rejected, we find evidence for opportunism. The results are put in a socioeconomic context using quantitative and qualitative survey data. Assortative matching and correlates of bargaining power influence behaviour within the experiments. Our findings suggest that a one-size fits all?? model of the household is unlikely to be satisfactory.

Steven D Levitt, John A List, Chad Syverson

Cited by*: 7 Downloads*: 12

Productivity improvements within establishments (e.g., factories, mines, or retail stores) are an important source of aggregate productivity growth. Past research has documented that learning by doing-productivity improvements that occur in concert with production increases-is one source of such improvements. Yet little is known about the specific mechanisms through which such learning occurs. We address this question using extremely detailed data from an assembly plant of a major auto producer. Beyond showing that there is rapid learning by doing at the plant, we are able to pinpoint the processes by which these improvements have occurred.

Jeffrey A Flory, Uri Gneezy, Kenneth Leonard, John A List

Cited by*: 7 Downloads*: 68

Gender differences in competitive behavior have received much attention, demonstrating a systematic gap between males' and females' tendencies to compete. Theories predict a biological factor linked to an evolutionary response to the different paths to reproductive success for men and women. Since strategies for reproductive success change over the female life-cycle, the gender gap is predicted to be largest for young adults but after menopause women should be as competitive as men. Using data drawn from two very different societies, we find strong support for this theoretical prediction: competitiveness in women is tightly linked to their biological roles in childrearing.

Esther Duflo, William Gale, Jeffrey Liebman, Peter Orszag, Emmanuel Saez

Cited by*: 7 Downloads*: 7

This paper analyzes the effects of a large randomized field experiment carried out with H&R Block, offering matching incentives for IRA contributions at the time of tax preparation. About 14,000 H&R Block clients, across 60 offices in predominantly low- and middle-income neighborhoods in St. Louis, were randomly offered a 20 percent match on IRA contributions, a 50 percent match, or no match (the control group). The evaluation generates two main findings. First, higher match rates significantly raise IRA participation and contributions. Take-up rates were 3 percent for the control group, 8 percent in the 20 percent match group, and 14 percent in the 50 percent match group. Average IRA contributions (including non-contributors, excluding the match) for the 20 percent and 50 percent match groups were 4 and 7 times higher than in the control group, respectively. Second, several additional findings are inconsistent with the full information, rational-saver model. In particular, we find much more modest effects on take-up and amounts contributed from the existing Saver's Credit, which provides an effective match for retirement saving contributions through the tax code; we suspect that the differences may reflect the complexity of the Saver's Credit as enacted, and the way in which its effective match is presented. Taken together, our results suggest that the combination of a clear and understandable match for saving, easily accessible savings vehicles, the opportunity to use part of an income tax refund to save, and professional assistance could generate a significant increase in contributions to retirement accounts, including among middle- and low-income households.

Todd Cherry, John A List

Cited by*: 7 Downloads*: 3

This paper uses county-level panel data to test the appropriateness of the 'one size fits all' reduced-form regression approach commonly used when estimating the economic model of crime. Empirical results provide initial evidence that previous studies, which restrict deterrent effects to have identical impacts across crime types, may be presenting statistically biased results.

Michael Kremer, Edward Miguel

Cited by*: 7 Downloads*: 13

The history of foreign development assistance is one of movement away from addressing immediate needs and toward focusing on the underlying causes of poverty. A recent manifestation is the move towards sustainability,' which stresses community mobilization, education, and cost-recovery. This stands in contrast to the traditional economic analysis of development projects, with its focus on providing public goods and correcting externalities. We examine evidence from randomized evaluations on strategies for combating intestinal worms, which affect one in four people worldwide. Providing medicine to treat worms was extremely cost effective, although medicine must be provided twice per year indefinitely to keep children worm-free. An effort to promote sustainability by educating Kenyan schoolchildren on worm prevention was ineffective, and a mobilization' intervention from psychology failed to boost deworming drug take-up. Take-up was highly sensitive to drug cost: a small increase in cost led to an 80 percent reduction in take-up (relative to free treatment). The results suggest that, in the context we examine, the pursuit of sustainability may be an illusion, and that in the short-run, at least, external subsidies will remain necessary.

Maria De Paola, Francesca Gioia, Vincenzo Scoppa

Cited by*: 7 Downloads*: 12

We conducted a field experiment involving 720 Italian undergraduate students to investigate the existence of gender differences in performance in competitive settings and whether performance is affected by one's opponent gender. The experimental design was aimed at disentangling gender differences in taste for competition from other differences in psychological attitudes, such as self-confidence and risk aversion. Students were invited to undertake a midterm exam under a tournament scheme having as a prize some bonus points to add to the final grade. Students competed in pairs of equal predicted ability but different gender composition. We find that females are as likely as males to take part in the competition and to obtain a good performance. The gender of one's competitor does not play any role in shaping students' behavior. Men and women perform similarly both in the competitive and in the non-competitive environment.

Richard Hofler, John A List

Cited by*: 7 Downloads*: 5

The lack of robust evidence showing that hypothetical behavior directly maps into real actions remains a major concern for proponents of stated preference nonmarket valuation techniques. This article explores a new statistical approach to link actual and hypothetical statements. Using willingness-topay field data on individual bids from sealed-bid auctions for a $350 baseball card, our results are quite promising. Estimating a stochastic frontier regression model that makes use of data that any contingent valuation survey would obtain, we derive a bid function that is not statistically different from the bid function obtained from subjects in an actual auction. If other data can be calibrated similarly, this method holds significant promise since an appropriate calibration scheme, ex ante or ex post, can be invaluable to the policy maker that desires more accurate estimates of use and nonuse values for nonmarket goods and services.

Marianne Bertrand, Dean S Karlan, Sendhil Mullainathan, Eldar Shafir, Jonathan Zinman

Cited by*: 7 Downloads*: 23

Numerous laboratory studies find that minor nuances of presentation and description change behavior in ways that are inconsistent with standard economic models. How much do these context effect matter in natural settings, when consumers make large, real decisions and have the opportunity to learn from experience? We report on a field experiment designed to address this question. A South African lender sent letters offering incumbent clients large, short-term loans at randomly chosen interest rates. The letters also contained independently randomized psychological "features" that were motivated by specific types of frames and cues shown to be powerful in the lab, but which, from a normative perspective, ought to have no impact. Consistent with standard economics, the interest rate significantly affected loan take-up. Inconsistent with standard economics, some of the psychological features also significantly affected take-up. The average effect of a psychological manipulation was equivalent to a one half percentage point change in the monthly interest rate. Interestingly, the psychological features appear to have greater impact in the context of less advantageous offers and persist across different income and education levels. In short, even in a market setting with large stakes and experienced customers, subtle psychological features appear to be powerful drivers of behavior. The findings pose a challenge for the social sciences: they suggest that psychological nuance matters but may be inherently difficult to predict given the impact of context. Successful incorporation of psychological features into field studies is likely to prove a vital, but nontrivial, addition to the formation of more general theories on when, why, and how frames and cues influence important decisions.

Peter Bohm

Cited by*: 7 Downloads*: 22

The main purpose of this article is to advance a set of conditions which demand-revealing mechanisms must pass in order to be politically acceptable for real-world applications and - to begin with - for real-world experiments. Without such non-laboratory experiments, real progress seems unlikely to take place in this field. So far, there are few indications that these conditions can be met with respect to the proposals made in the literature on public goods. One possible example of a mechanism that meets the ""acceptability"" conditions is given here. In addition, we present some comments as to why demand-revealing mechanisms constitute and important economic problem, a view which has recently been questioned.

John A List, Warren McHone

Cited by*: 7 Downloads*: 2

This paper uses state-level pollution data from 1986-1997 to construct two indices that rank U.S. states according to environmental outputs. A major finding is that marginal performers in other indices, such as Wyoming, garner top spots in these ranking systems. The paper also presents findings from fixed and random effects models of panel data that imply state income levels are positively associated with environmental outputs after a threshold level of income is obtained.

Steffen Andersen, Alec Brandon, Uri Gneezy, John A List

Cited by*: 6 Downloads*: 51

Perhaps the most powerful form of framing arises through reference dependence, wherein choices are made recognizing the starting point or a goal. In labor economics, for example, a form of reference dependence, income targeting, has been argued to represent a serious challenge to traditional economic models. We design a field experiment linked tightly to three popular economic models of labor supply-two behavioral variants and one simple neoclassical model--to deepen our understanding of the positive implications of our major theories. Consistent with neoclassical theory and reference--dependent preferences with endogenous reference points, workers (vendors in open air markets) supply more hours when presented with an expected transitory increase in hourly wages. In contrast with the prediction of behavioral models, however, when vendors earn an unexpected windfall early in the day, their labor supply does not respond. A key feature of our market in terms of parsing the theories is that vendors do not post prices rather they haggle with customers. In this way, our data also speak to the possibility of reference-dependent preferences over other dimensions. Our investigation again yields results that are in line with neoclassical theory, as bargaining patterns are unaffected by the unexpected windfall.

Jan Hansen, Carsten Schmidt, Martin Strobel

Cited by*: 6 Downloads*: 13

Political stock markets (PSM) are sometimes seen as substitutes for opinion polls. On the bases of a behavioural model, specific preconditions were drawn out under which manipulation in PSM can weaken this argument. Evidence for manipulation is reported from the data of two separate PSM during the Berlin 1999 state elections.

Fuhai Hong, Tanjim Hossain, John A List, Migiwa Tanaka

Cited by*: 6 Downloads*: 98

A well-recognized problem in the multitasking literature is that workers might substantially reduce their effort on tasks that produce unobservable outputs as they seek the salient rewards to observable outputs. Since the theory related to multitasking is decades ahead of the empirical evidence, the economic costs of standard incentive schemes under multitasking contexts remain largely unknown. This study provides empirical insights quantifying such effects using a field experiment in Chinese factories. Using more than 2200 data points across 126 workers, we find sharp evidence that workers do trade off the incented output (quantity) at the expense of the non-incented one (quality) as a result of a piece rate bonus scheme. Consistent with our theoretical model, treatment effects are much stronger for workers whose base salary structure is a flat wage compared to those under a piece rate base salary. While the incentives result in a large increase in quantity and a sharp decrease in quality for workers under a flat base salary, they result only in a small increase in quantity without affecting quality for workers under a piece rate base salary.

Ginger Z Jin, Andrew Kato

Cited by*: 6 Downloads*: 27

Economists accept consumer frauds as an equilibrium outcome of information costs. This paper empirically investigates what information is costly, what contribute to the information costs, and what institutions are more effective in reducing the information costs. We focus on one of the most complained about markets - Internet auctions. In a field experiment, we obtain actual baseball cards from both online and retail markets whose quality are then professionally graded and compared to the prices paid by online buyers for goods with similar claims. The experiment allows us to obtain a key variable - true quality - on top of price and seller ratings used in the existing literature. Our findings indicate that some naive buyers in the online ungraded market are misled by non-credible claims of quality. They pay higher prices but do not receive better quality and in fact are defrauded more often. In comparison, claim-driven frauds do not exist in retail or graded markets where buyers can observe card quality either through careful quality examination before purchase or a third-party grading service. Online seller reputation is found to be effective for identifying good-faith sellers. But conditional on completed auctions, reputable sellers do not provide better quality. More disturbingly, the price increase from making non-credible claims more than compensates for the lower likelihood of sale for sellers with low reputations. We attribute the naivete to misleading signals in the online ungraded market and two loopholes in the eBay rating system, namely universal rating and costless switching of anonymous identities. These loopholes reduce the precision and accessibility of seller information, and therefore add difficulties for naive buyers to become sophisticated. We also point out that naive buyers could impose several negative externalities on the other good-faith players in the market.

Michael S Haigh, John A List

Cited by*: 6 Downloads*: 12

An important class of investment decisions is characterized by unrecoverable sunk costs, resolution of uncertainty through time, and the ability to invest in the future as an alternative to investing today. The options model provides guidance in such settings, including an investment decision rule called the "bad news principle": the downside investment state influences the investment decision whereas the upside investment state is ignored. This study takes a new approach to examining predictions of the options model by using the tools of experimental economics. Our evidence, which is drawn from student and professional trader subject pools, is broadly consonant with the options model.

Alan S Gerber, Donald P Green, Matthew N Green

Cited by*: 6 Downloads*: 3

Political campaigns currently make extensive use of direct mail, particularly in state and local races, yet its effects on voter behavior are not well understood. This essay presents the results of large-scale randomized field experiments conducted in Connecticut and New Jersey during state and municipal elections of 1999. Tens of thousands of registered voters were sent from zero to nine pieces of direct mail. The target populations included party registrants with a strong history of voter participation, independents, and a random subset of registered voters. Our results indicate partisan campaign mail does little to stimulate voter turnout and may even dampen it when the mail is negative in tone.