Economics Commons^™

Human Milk Oligosaccharide Compositions Illustrate Global Variations In Early Nutrition, Anita Vinjamuri, Jasmine C. C. Davis, Sarah M. Totten, Lauren D. Wu, Laura D. Klein, Melanie Martin, Ea Quinn, Brooke Scelza, Alicia Breakey, Michael Gurven, Grazyna Jasienska, Hillard Kaplan, Claudia Valeggia, Katie Hinde, Jennifer T. Smilowitz, Robin M. Bernstein, Angela M. Zivkovic, Michael J. Barratt, Jeffrey I. Gordon, Mark A. Underwood, David A. Mills, J. Bruce German, Carlito B. Lebrilla

ESI Publications

Background

Human milk oligosaccharides (HMOs) are an abundant class of compounds found in human milk and have been linked to the development of the infant, and specifically the brain, immune system, and gut microbiome.

Objectives

Advanced analytical methods were used to obtain relative quantitation of many structures in approximately 2000 samples from over 1000 mothers in urban, semirural, and rural sites across geographically diverse countries.

Methods

LC-MS−based analytical methods were used to profile the compounds with broad structural coverage and quantitative information. The profiles revealed their structural heterogeneity and their potential biological roles. Comparisons of HMO compositions were made between …

Data For "Agency, Benevolence And Justice", Prithvijit Mukherjee, J. Dustin Tracy

ESI Data Sets

We test for social norms regarding how agents should select between risky prospects for principals, including norms consistent with beneficence and justice propositions from Adam Smith. We elicit norms from subjects serving as "impartial spectator[s]" about choice of risky prospect selected by the agents. We find strong evidence for the existence of norms, consistent with the Smith propositions. Furthermore we find that agents are more likely to select more normative options. In contrast, we find that principals' allocation for bonuses depends on the realization of the risky prospect rather than whether the agents choice was consistent with the norm.

The No-Arbitrage Hypothesis And Inertia In Forward Markets, José Luis Ferreira, Praveen Kujal, Stephen Rassenti

ESI Working Papers

Allaz (1992) showed that the no-arbitrage condition in forward markets is obtained as a feature of the equilibrium if the model allows for strategic behavior on the part of the buyers. He showed that having active buyers is equivalent to passive buyers plus the no-arbitrage hypothesis. We test this experimentally in a forward market by allowing for active buyer’s under exogenously or endogenously determined market closure. We further test an inertia hypothesis that looks at whether past participation in a spot-market results in quantities being limited in the forward market stage. Importantly, the no-arbitrage condition can only be tested with …

Economics Of Markets: Neoclassical Theory, Experiments, And Theory Of Classical Price Discovery, Sabiou M. Inoua, Vernon L. Smith

ESI Publications

This book establishes that neoclassical economics based on the marginal utility calculus failed to derive a theory of consumer market price discovery consistent with the experimental market evidence. Such markets involve inherently discrete final-demand items bought for consumption and not subject to resale. Classical economists following Adam Smith articulated a rich narrative of price discovery theory consistent with experimental evidence based on operational concepts of discrete demand values (maximum willingness-to-pay), and symmetrically, supply costs (minimum willingness-to-accept). We develop and extend a mathematical model of classical market price formation. Chapter 1 & 2 describes this theme and chapter 3 connects it …

Perishable Goods Versus Re-Tradable Assets: A Theoretical Reappraisal Of A Fundamental Dichotomy, Sabiou M. Inoua, Vernon L. Smith

ESI Working Papers

Although various typologies of goods are commonly adopted in economics, one stood out in market experiment results contrasting market stability and efficiency with market instability: non-durable, or perishable, goods (Smith, 1962) versus durable re-tradable assets (Smith et al., 1988; Dickhaut et al., 2012; S. D. Gjerstad et al., 2015). This dichotomy of goods also proved central for understanding macroeconomic instability more broadly: about 75% of consumer spending is bought for final consumption, and is a rock of stability; instability arises from the other 25% re-tradable goods, most prominently, houses (S. D. Gjerstad & Smith, 2014). In this chapter, we revisit …

Checkerboard Of Interests: Native American Tribes And The Politics Of Land Tenure Reform, Anika Manuel

Student Scholar Symposium Abstracts and Posters

People have long disputed over the financial system constructed for indigenous communities and their resulting economic rights within U.S. native reservations. Indigenous tribes themselves remain split concerning the state of their tribal economies. Although scholars have extensively researched the historical component regarding the construction of the financial system we see in place today, very few have focused on the politics and rationale behind certain policy positions of relevant actors in modern-day society. In an attempt to fill this gap, this research paper will focus on answering two key questions: How has public policy shaped the economic and property rights of …

The Implications Of Covid-19 On Fear Of Financial Collapse, Alexis Reekie

Student Scholar Symposium Abstracts and Posters

By disrupting the general value paradigm, the typical hierarchy of values, individuals directly affected by the COVID-19 virus have realized an overall shift in perspective, indicating a need to understand the effects of the COVID-19 virus on one’s outlook regarding economic anxiety and fear of financial collapse. The possibility of a global health crisis reaching levels of devastation are certainly great and worth investigating. Throughout this research paper I worked to determine the correlation between fear of financial crises and individuals who have been affected by the COVID-19 virus. Utilizing the Chapman Survey of American Fears (FEAR survey) questions pertaining …

Life Satisfaction And Tax Morale In Azerbaijan: Mediating Role Of Institutional Trust And Financial Satisfaction, Orkhan Nadirov, Khatai Aliyev, Bruce Dehning, Ilaha Sharifzada, Rafiga Aliyeva

Accounting Faculty Articles and Research

This paper examines the relationship between life satisfaction (measured as the self-reported satisfaction of each individual with their past life and goal achievements) and tax morale (measured as the likelihood of an individual’s intrinsic motivation to pay taxes). Using a large-scale survey dataset from Azerbaijan, it is documented that life satisfaction is positively associated with tax morale. Life satisfaction plays a significant role in increasing tax compliance practices. It is also important to note that there is a positive mediating effect of life satisfaction on tax morale through financial satisfaction and institutional trust. In line with our hypotheses, the results …

Prosocial Option Increases Women’S Entry Into Competition, Alessandra Cassar, Mary L. Rigdon

ESI Publications

We provide evidence that women enter competitions at the same rate as men when the incentive for winning includes the option to share part of the rewards with the losers (i.e., when the incentive system is socially oriented). Using an experiment (with N = 238 subjects from three laboratories), we find that about 16% more men than women choose to compete in the standard tournament; this gender gap is eliminated in the socially oriented incentive treatment. While men’s choice to compete remains unchanged, at around 52% in both conditions, women increase their entry rate from 35% in the standard tournament …

Helminth Infection Is Associated With Dampened Cytokine Responses To Viral And Bacterial Stimulations In Tsimane Forager-Horticulturalists, India A. Schneider-Crease, Aaron D. Blackwell, Thomas S. Kraft, Melissa Emery Thompson, Ivan Maldonado Suarez, Daniel K. Cummings, Jonathan Stieglitz, Noah Snyder-Mackler, Michael Gurven, Hillard Kaplan, Benjamin C. Trumble

ESI Publications

Background

Soil-transmitted helminths (STHs) and humans share long co-evolutionary histories over which STHs have evolved strategies to permit their persistence by downregulating host immunity. Understanding the interactions between STHs and other pathogens can inform our understanding of human evolution and contemporary disease patterns. Methodology

We worked with Tsimane forager-horticulturalists in the Bolivian Amazon, where STHs are prevalent. We tested whether STHs and eosinophil levels—likely indicative of infection in this population—are associated with dampened immune responses to in vitro stimulation with H1N1 and lipopolysaccharide (LPS) antigens. Whole blood samples (n = 179) were treated with H1N1 vaccine and LPS and …

A Reassessment Of The Potential For Loss-Framed Incentive Contracts To Increase Productivity: A Meta-Analysis And A Real-Effort Experiment, Paul J. Ferraro, J. Dustin Tracy

ESI Working Papers

Substantial productivity increases have been reported when incentives are framed as losses rather than gains. Loss-framed contracts have also been reported to be preferred by workers. The results from our meta-analysis and real-effort experiment challenge these claims. The meta-analysis' summary effect size of loss framing is a 0.16 SD increase in productivity. Whereas the summary effect size in laboratory experiments is a 0.33 SD, the summary effect size from field experiments is 0.02 SD. We detect evidence of publication biases among laboratory experiments. In a new laboratory experiment that addresses prior design weaknesses, we estimate an effect size of 0.12 …

Beware The Gini Index! A New Inequality Measure, Sabiou M. Inoua

ESI Working Papers

The Gini index underestimates inequality for heavy-tailed distributions: for example, a Pareto distribution with exponent 1.5 (which has infinite variance) has the same Gini index as any exponential distribution (a mere 0.5). This is because the Gini index is relatively robust to extreme observations; while a statistic’s robustness to extremes is desirable for data potentially distorted by outliers, it is misleading for heavy-tailed distributions, which inherently exhibit extremes. We propose an alternative inequality index: the variance normalized by the second moment. This ratio is more stable (hence more reliable) for large samples from an infinite-variance distribution than the Gini index …

The Efficiency Of U.S. Public Space Utilization During The Covid-19 Pandemic, Seth G. Benzell, Avinash Collis, Christos Nicolaides

Economics Faculty Articles and Research

The COVID-19 pandemic has called for and generated massive novel government regulations to increase social distancing for the purpose of reducing disease transmission. A number of studies have attempted to guide and measure the effectiveness of these policies, but there has been less focus on the overall efficiency of these policies. Efficient social distancing requires implementing stricter restrictions during periods of high viral prevalence and rationing social contact to disproportionately preserve gatherings that produce a good ratio of benefits to transmission risk. To evaluate whether U.S. social distancing policy actually produced an efficient social distancing regime, we tracked consumer preferences …

Conflict In The Pool: A Field Experiment, Loukas Balafoutas, Marco Faravelli, Roman Sheremeta

ESI Working Papers

We conduct a field experiment on conflict in swimming pools. When all lanes are occupied, an actor joins the least crowded lane and asks one of the swimmers to move to another lane. The lane represents a contested scarce resource. We vary the actor’s valuation (high and low) for the good through the message they deliver. Also, we take advantage of the natural variation in the number of swimmers to proxy for their valuation. Consistent with theoretical predictions, a swimmer’s propensity to engage in conflict increases in scarcity (incentive effect) and decreases in the actor’s valuation (discouragement effect). We complement …

Dynamic Resource Allocation With Cost Externality, Hao Zhao, David Porter

ESI Working Papers

The inter-temporal resource allocation efficiency of a property rights-based common-pool resource system is challenged by a cost externality when one user’s extraction raises the extraction cost for others. This paper builds a dynamic resource allocation model to illustrate the efficiency loss from a standard property rights market. We then create a novel inter-temporal allocation mechanism that preserves dynamic efficiency. Our dynamic resource allocation mechanism includes an optimal planning stage where the agents collectively determine a binding extraction target for each period and a market stage where agents can exchange their extraction rights assigned within each period. The theoretical model demonstrates …

Financial Factors And The Propagation Of The Great Depression, Gustavo S. Cortes, Bryan Taylor, Marc D. Weidenmier

Business Faculty Articles and Research

We investigate the role of forward-looking financial factors in propagating the Great Depression. We find that a new hand-collected bank stock index is better at predicting the onset of the Great Depression than the aggregate stock market or failed bank deposits. The bank stock index explains almost one-third of the fluctuations in industrial production after five years. Analysis disaggregated at each Federal Reserve district shows that bank stocks capture forward-looking information about debt defaults and credit. Our results suggest that future studies of the credit channel during the Great Depression should incorporate bank stocks to better identify the impact of …

Anything For A Cheerio: Brown Capuchins (Sapajus [Cebus] Apella) Consistently Coordinate In An Assurance Game For Unequal Payoffs, Lauren M. Robinson, Mayte Martínez, Kelly L. Leverett, Mattea S. Rossettie, Bart J. Wilson, Sarah F. Brosnan

ESI Publications

Unequal outcomes disrupt cooperation in some situations, but this has not been tested in the context of coordination in economic games. To explore this, we tested brown capuchins (Sapajus [Cebus] apella) on a manual version of the Stag Hunt (or Assurance) Game, in which individuals sequentially chose between two options, Stag or Hare, and were rewarded according to their choices and that of their partner. Typically, coordination on Stag results in an equal highest payout, whereas coordinating on Hare results in a guaranteed equal but lower payoff and uncoordinated play results in the lowest payoff when playing …

Uncertainty And Reputation Effects In Credence Goods Markets, Eric Schniter, J. Dustin Tracy, Vojtěch Zíka

ESI Working Papers

Credence-goods experiments have focused on stylized settings in which experts can perfectly identify the buyer’s best option and that option works without fail. However, in nature, credence goods involve uncertainties that complicate assessing the quality of service and advice. We introduce two sources of uncertainty. The first is diagnostic uncertainty; experts receive a noisy signal of buyer type so might make an ‘honest’ mistake when advising what is in buyers’ best interests. The second is service uncertainty; the services available to the buyers do not always work. Both sources of uncertainty make detection of expert dishonesty more difficult, so are …

The Cultural Transmission Of Trust Norms: Evidence From A Lab In The Field On A Natural Experiment, Elira Karaja, Jared Rubin

Economics Faculty Articles and Research

We conduct trust games in three villages in a northeastern Romanian commune. From 1775–1919, these villages were arbitrarily assigned to opposite sides of the Austrian and Ottoman/Russian border despite being located seven kilometers apart. This plausibly exogenous border assignment affected local institutions and late-18th century migration in a manner that likely also affected trust. Conditional on trust norms being affected by these centuries-old historical circumstances, our experimental design tests the degree to which such norms are transmitted intergenerationally. Consistent with theoretical predictions, we find that participants on the Austrian side that also have family roots in the village are indeed …

Data For "Uncertainty And Reputation Effects In Credence Goods Markets", Eric Schniter, J. Dustin Tracy, Vojtěch Zíka

ESI Data Sets

Credence-goods experiments have focused on stylized settings in which experts can perfectly identify the buyer’s best option and that option works without fail. However, in nature credence goods involve uncertainties that complicate assessing the quality of service and advice. We introduce two sources of uncertainty into a credence goods experiment. The first is diagnostic uncertainty; experts receive a noisy signal of buyer type so might make an ‘honest’ mistake when advising what is in buyers’ best interests. The second is service uncertainty; the services available to the buyer do not always work. Both sources of uncertainty make detection of expert …

Below-Deck: The Specialist Sailor In World War Ii, Gregory Falcon

War, Diplomacy, and Society (MA) Theses

U.S. Navy ships were made up of many unexpected jobs during World War II. Traditional war histories say little about sailors who rarely saw direct combat below active war decks but instead worked skilled jobs. Specialized sailors were often unseen as they worked below the waterline as, for example, electrician’s mates and boiler room firemen. These jobs were pivotal to keeping the ship running and allowed men to make use of their valuable time in the navy. This thesis argues that, although evolving naval culture led men to enter for various reasons, many entered to enhance their future career during …

Keeping A Clean Reputation: More Evidence On The Perverse Effects Of Disclosure, Cary Deck, J. Dustin Tracy

ESI Working Papers

When a principal relies on an agent, a conflict of interest can encourage the agent to provide biased advice. Conventional wisdom suggests that such behavior can be reduced through disclosure requirements. However, disclosure has been shown to exacerbate self-serving bias and can actually lead to greater harm for the principal in one-shot interactions. But in many naturally occurring settings, agents form reputations, a mechanism that could diminish the incentive to provide biased advice. We test for bias in the advice agents provide when faced with reputation concerns, and examine the impact of disclosure in such an environment. In controlled laboratory …

The Economic Impact Of Lockdowns: A Theoretical Assessment, Gabriele Camera, Alessandro Gioffré

ESI Working Papers

The sudden appearance of the SARS-CoV-2 virus and the onset of the COVID-19 pandemic triggered extreme and open-ended “lockdowns” to manage the disease. Should these drastic interventions be the blueprint for future epidemics? We construct an analytical framework, based on the theory of random matching, which makes explicit how epidemics spread through economic activity. Imposing lockdowns by assumption prevents contagion and reduces healthcare costs, but also disrupts income-generation processes. We characterize how lockdowns impact the contagion process and social welfare. Numerical analysis suggests that protracted, open-ended lockdowns are generally suboptimal, bringing into question the policy responses seen in many countries.

A Network Of Thrones: Kinship And Conflict In Europe, 1495–1918, Seth G. Benzell, Kevin Cooke

Economics Faculty Articles and Research

We construct a database linking European royal kinship networks, monarchies, and wars to study the effect of family ties on conflict. To establish causality, we exploit decreases in connection caused by apolitical deaths of rulers' mutual relatives. These deaths are associated with substantial increases in the frequency and duration of war. We provide evidence that these deaths affect conflict only through changing the kinship network. Over our period of interest, the percentage of European monarchs with kinship ties increased threefold. Together, these findings help explain the well-documented decrease in European war frequency.

Making It Public: The Effect Of (Private And Public) Wage Proposals On Efficiency And Income Distribution, Lara Ezquerra, Joaquín Gómez-Miñambres, Natalia Jiminez, Praveen Kujal

ESI Working Papers

The implications of (public or private) pre-play communication and information revelation in a labour relationship is not well understood. We address these implications theoretically and experimentally. In our baseline experiments, the employer offers a wage to the worker who may then accept or reject it. In the public and private treatment, workers, moving first, make a non-binding private or public wage proposal. Our theoretical model assumes that wage proposals convey information about a worker’s minimum acceptable wage and are misreported with a certain probability. It predicts that, on average, wage proposals lead to higher wage offers and acceptance rates, with …

An Experimental Study Of Within- And Cross-Cultural Cooperation: Chinese And American Play In The Prisoner’S Dilemma Game, Michael Kuroda, Jieran Li, Jason Shachat, Lijia Wei, Bochen Zhu

ESI Working Papers

We study whether cross- and within-culture groups have different cooperation rates in the Prisoner’s Dilemma Game. In an experiment, university students in China and America engage in a single iteration of the game, complete belief elicitation tasks regarding their opponents’ play and take a survey including attitudinal measurements regarding their in- and out-group attitudes. Cooperation rates are higher across the two countries are higher in both cross-culture and in within-culture interactions, although not significantly. We also find that Chinese participants cooperate less than American ones. Further, female Chinese participants are more cooperative than Chinese male ones. In the cross-culture treatment, …

One-Way Routes Complicate Cooperation In Migrant Crises, Alessandro Del Ponte, Peter Discioli, Aidas Masiliunas, Noah Lim

Political Science Faculty Articles and Research

How can countries cooperate to shelter migrants? We use experimental economics to study the distinct challenges of cooperation in migrant crises. We designed an economic game, pass the buck, where participants are leaders of countries who decide whether to shelter migrants or pass them to the next country. We examine the difficulties posed by one‑way migration and differences in wealth. We find that leaders sheltered migrants less often when they received them first on a one‑way route, compared to when everyone received migrants at the same time. Moreover, the first leader became more likely to shelter migrants when the last …

Economics Of Majoritarian Identity Politics, Rohit Ticku, Raghul S. Venkatesh

ESI Working Papers

Majoritarian identity politics has become salient in representative democracies. Why do parties engage in identity politics and what are its consequences? We present a model of electoral competition in which parties capture voter groups based on their identity, and compete over an economic policy platform for the support of non-partisan voters. In addition, the party that caters to majoritarian interests makes a costly investment in polarizing identity. The investment provides subsequent payoffs to voters who have a preference for identity. When voter preferences over policy platforms are idiosyncratic in nature, greater investment in polarizing identity (i) increases both parties’ rents …

Group-Identity And Long-Run Cooperation: An Experiment, Gabriele Camera, Lukas Hohl

ESI Working Papers

We stress-test the limits of the power of group identity in the context of cooperation by constructing laboratory economies where participants confront an indefinitely repeated social dilemma as strangers. Group identity is artificially induced by random assignment to color-coded groups, and reinforced by an initial cooperation task played in-group and in fixed pairs. Subsequently subjects interact in-group and out-group in large economies, as strangers. Indefinite repetition guarantees full cooperation is an equilibrium. Decision-makers can discriminate based on group affiliation, but cannot observe past behaviors. We find no evidence of group biases. This suggests that group effects are less likely to …

Financial And Trade Relationships Between The Eurozone And China In The Age Of Resilience, Alessandro Del Ponte, Paolo Canofari, Audrey De Dominicis

Political Science Faculty Articles and Research

How did the financial and trade ties between China and the Eurozone develop in the aftermath of the Eurozone sovereign debt crisis? We analyze these trends until the start of the Covid-19 pandemic. Using data from the Bank of International Settlements (BIS) and the International Monetary Fund (IMF), we examine the financial and trade dynamics between the two currency areas and analyze the related risks and opportunities. The data point to several patterns. We find that financial volatility in China has been substantially greater than in the Eurozone. Even so, the largest and strongest Eurozone economies – France and Germany- …