At Columbia Business School, our faculty members are at the forefront of research in their respective fields, offering innovative ideas that directly impact the practice of business today. A quick glance at our publication on faculty research, CBS Insights, will give you a sense of the breadth and immediacy of the insight our professors provide.
As a student at the School, this will greatly enrich your education. In Columbia classrooms, you are at the cutting-edge of industry, studying the practices that others will later adopt and teach. As any business leader will tell you, in a competitive environment, being first puts you at a distinct advantage over your peers. Learn economic development from Ray Fisman, the Lambert Family Professor of Social Enterprise and a rising star in the field, or real estate from Chris Mayer, the Paul Milstein Professor of Real Estate, a renowned expert and frequent commentator on complex housing issues. This way, when you complete your degree, you'll be set up to succeed.
Columbia Business School in conjunction with the Office of the Dean provides its faculty, PhD students, and other research staff with resources and cutting edge tools and technology to help push the boundaries of business research.
Specifically, our goal is to seamlessly help faculty set up and execute their research programs. This includes, but is not limited to:
All these activities help to facilitate and streamline faculty research, and that of the doctoral students working with them.
The article offers the authors' views on expatriate management programs and the benefits from executives interacting with the people and institutions of the host country. The idea that international experience or interaction between foreign managers and local people will help managers become more creative, entrepreneurial, and successful is discussed. The concept of integrative complexity in bi-cultural managers which enhances job performance is mentioned.
The Kidney Case is multi-person exercise that involves the allocation of a single kidney. Students read profiles of eight candidates for the kidney and make a first allocation decision. Each candidate was designed to be high on some allocation principles but low or unknown on others (e.g., best, match, time in cue, age, personal responsibility for disease, future benefits to society, etc.). Then, students are put into groups and assigned to advocate for one of the candidates. Each group will prepare and give a 3-minute presentation on why their candidate should receive the kidney.
Emissions abatement alone cannot address the consequences of global warming for weather disasters. We model how society adapts to manage disaster risks to capital stock. Optimal adaptation — a mix of firm-level efforts and public spending — varies as society learns about the adverse consequences of global warming for disaster arrivals. Taxes on capital are needed alongside those on carbon to achieve the first best.
What are the sources of the returns to education? We study the allocation of higher education graduates from public institutions in Ohio across firms. We present three results. First, we confirm findings in the earlier literature of large pay differences across degrees. Second, we show that up to one quarter of pay premiums for higher degrees are explained by between-firm pay differences. Third, higher education degrees are associated with greater representation at the best-paying firms.
This article focuses on the role of threats in negotiations. Broadly speaking, a threat is a proposition that issues demands and warns of the costs of noncompliance. Even if neither party resorts to them, potential threats shadow most negotiations. Researchers have found that people actually evaluate their counterparts more favorably when they combine promises with threats rather than extend promises alone. Whereas promises encourage exploitation, the threat of punishment motivates cooperation.
We examine contagion in earnings management using 2,376 restatements announced during the years 1997-2008. Controlling for industry and firm characteristics, firms are more likely to begin managing earnings after the public announcement of a restatement by another firm in their industry or neighborhood. Such contagion is absent when the restating firm is disciplined by the SEC or class action lawsuits, suggesting deterrent effects of enforcement activity.
Empirical evidence reveals that diversity — heterogeneity in race, culture, gender, etc. — has material benefits for organizations, communities, and nations. However, because diversity can also incite detrimental forms of conflict and resentment, its benefits are not always realized. Drawing on research from multiple disciplines, this article offers recommendations for how best to harness the benefits of diversity.
The classic integrability problem asks (i) what conditions guarantee that demand functions can be rationalized by a well-behaved utility function and (ii) if such a utility exists, how can it be recovered. Hurwicz and Uzawa (1971) provided answers to both questions. However for the popular case of changing tastes, as represented by a sequence of non-nested utilities, the Hurwicz and Uzawa conditions fail to hold in general. Following Strotz (1956), an individual can determine her dynamic demands via a naive or sophisticated solution technique.
Sarcasm is ubiquitous in organizations. Despite its prevalence, we know surprisingly little about the cognitive experiences of sarcastic expressers and recipients or their behavioral implications. The current research proposes and tests a novel theoretical model in which both the construction and interpretation of sarcasm leads to greater creativity because they activate abstract thinking.
How stocks are traded in the United States has been totally transformed. Gone are the dealers on NASDAQ and the specialists at the NYSE. Instead, a company's stock can now be traded on up to sixty competing venues where a computer matches incoming orders. High-frequency traders (HFTs) post the majority of quotes and are the preponderant source of liquidity in the new market.
Despite the popularity of prediction, markets among economists, businesses, and policymakers have been slow to adopt them in decision-making. Most studies of prediction markets outside the lab are from public markets with large trading populations. Corporate prediction markets face additional issues, such as thinness, weak incentives, limited entry, and the potential for traders with biases or ulterior motives — raising questions about how well these markets will perform.
This study investigates the impact of early relationships on innovation at entrepreneurial firms. Prior research has largely focused on the benefits of network ties, documenting the many advantages that accrue to firms embedded in a rich network of interorganizational relationships. In contrast, we build on research emphasizing potential drawbacks to examine how competitive exposure, enabled by powerful intermediaries, can inhibit innovation.
The current research used the contexts of U.S. presidential debates and negotiations to examine whether matching the linguistic style of an opponent in a two-party exchange affects the reactions of third-party observers. Building off communication accommodation theory (CAT), interaction alignment theory (IAT), and processing fluency, we propose that language style matching (LSM) will improve subsequent third-party evaluations because matching an opponent's linguistic style reflects greater perspective taking and will make one's arguments easier to process.
We present an end-to-end text mining methodology for relation extraction of adverse drug reactions (ADRs) from medical forums on the Web. Our methodology is novel in that it combines three major characteristics: (i) an underlying concept of using a head-driven phrase structure grammar (HPSG) based parser; (ii) domain-specific relation patterns, the acquisition of which is done primarily using unsupervised methods applied to a large, unlabeled text corpus; and (iii) automated post-processing algorithms for enhancing the set of extracted relations.
After a multi-decade bond bull market, to what alternative strategies could institutional investors allocate that have a positive expected return, irrespective of interest rates?
It is not every day that one is asked a question that is so critical to the sustenance and well-being of such a material percentage of the developed world. Over the last century, it can be said that western society has evolved to incorporate the notion of a pension as an ideal. Just this past summer it was not inconceivable that Greece would leave the European Union. Why?
We investigate the welfare implications of operating alternative market structures known as electronic crossing networks or "dark pools" alongside traditional "lit" markets. We study equilibria of a market where intrinsic traders and speculators, endowed with heterogeneous fine-grained information, endogenously choose between dark and lit venues. We establish that while the dark pool attracts relatively uninformed investors, the orders therein experience adverse selection.
September, 2015* This report presents quantitative and qualitative evidence on the expansion of the New York City Department of Education’s School of One middle school mathematics program. The School of One program began pilot testing in the summer of 2009 and was first used as a full-time mathematics program by three NYC middle schools in the school year 2010-11. 1 An expansion of School of One into four additional middle schools, funded by a federal “i3” grant, occurred over the school years 2012-13 and 2013-14.
What does it take to succeed? This question has fueled a long-running debate. Some have argued that humans are fundamentally competitive, and that pursuing self-interest is the best way to get ahead. Others claim that humans are born to cooperate and that we are most successful when we collaborate with others.
The authors explore how firms can enhance consumer performance in online idea generation platforms. Most, if not all, online idea generation platforms offer all consumers identical tasks in which (1) participants are granted access to ideas from other participants and (2) ideas are classified into categories, but consumers can navigate freely across idea categories. The former is linked to stimulus ideas, and the latter may be viewed as a first step toward problem decomposition.
Measuring the impact of political risk on investment projects is one of the most vexing issues in international business. One popular approach is to assume that the sovereign yield spread captures political risk and to augment the project discount rate by this spread. We show that this approach is flawed. While the sovereign spread is influenced by political risk, it also reflects other risks that are likely included in the valuation analysis — leading to the double counting of risks.
I view the research articles presented here as prototypical examples of what may be called “the new wave” in studying Asian markets and consumers. This emerging “new wave” has a different focus than research done over the last few decades. Research is shifting from an emphasis on traditional Asian culture toward a focus on consumer culture and how this consumer culture manifests itself in various Asian markets. The “new wave” research also focuses less on general concepts and more on uniquely Asian phenomena. Finally, methodologically research is shifting from “East” vs.
We document how a positive shock to investment opportunities at one plant ("treated plant") spills over to other plants within the same firm, but only if the firm is financially constrained. To provide the treated plant with resources, the firm's headquarters withdraws capital and labor from other plants, especially plants that are relatively less productive, not part of the firm's core industries, and located far away from headquarters. As a result of the resource reallocation, aggregate firm-wide productivity increases.
This article reviews the literature on teacher value-added. Although value-added models have been used to measure the contributions of numerous inputs to educational production, their application toward identifying the contributions of individual teachers has been particularly contentious. Our review covers articles on topics ranging from technical aspects of model design to the role that value-added can play in informing teacher evaluations in practice, highlighting areas of consensus and disagreement in the literature.
Past research encourages expatriates to immerse themselves in the host culture, avoiding reminders of their home culture. We counter that, for expatriates still struggling to adjust, home culture stimuli might prime a sense of relational security, emboldening them to reach out to locals and hence boost cultural adjustment. In Study 1, American exchange students in Hong Kong felt more adjusted to Hong Kong after incidental exposure to iconic American practices (vs. Chinese or neutral), an effect partially mediated by relational security and not by other exchange student concerns.
This paper provides a comprehensive and detailed analysis of Central and Eastern European (CEE) equity markets from the mid-1990s until now. Using firm-level data and custom-made indices and indicators, we show that (1) there is considerable heterogeneity in the degree, dynamics, and determinants of market development across the different markets, (2) that especially the smaller markets still offer diversification benefits to global investors, and (3) that there are substantial premiums associated with investing in small, value, low volatility and illiquid CEE stocks.
The current research examined whether cross-national variation in egalitarianism predicts talent levels and organizational performance. We propose that national variation in egalitarianism predicts country-level talent because egalitarianism influences policymaking at the institutional level and everyday social interactions at the psychological level. We compared the relative impact of institutional and psychological measures of equality using the context of international performance in the most popular worldwide sport: football (soccer).
Philosophers and psychologists have long been interested in identifying factors that influence moral judgment. The current analysis compares the literatures on moral psychology and decision-making under uncertainty to propose that utilitarian choices are driven by the same forces that lead to risky choices.
This paper integrates social norm constructs from different disciplines into an integrated model. Norms exist in the objective social environment in the form of behavioral regularities, patterns of sanctioning, and institutionalized practices and rules. They exist subjectively in perceived descriptive norms, perceived injunctive norms, and personal norms. We also distil and delineate three classic theories of why people adhere to norms: internalization, social identity, and rational choice.
In a world where no advantages seem to be sustainable for long, prowess in forming and managing strategic alliances has become one of the most important sources of competitive advantage that firms can develop. Strategic alliances have changed the U.S. industrial landscape as dramatically as the telegraph and railroads did in their respective eras of innovation. Use of strategic alliances has precipitated enduring industry changes — the disruptive impacts of which have been exacerbated by the technological changes that they facilitated.
What is the next step for institutional investors who have already embraced investing in established large hedge fund managers? What are the benefits of embracing smaller emerging hedge fund managers?
This paper identifies cash-flow news and expected-return news in financial statements and shows that stock returns are increasing with positive cash-flow news in the statements and decreasing in the news about increasing expected returns. The identified news measures differ significantly from those identified from decomposing returns based on the Vuoltennaho (2002) framework.
A long stream of papers documents robust correlations between firm characteristics and future stock returns. Most of these characteristics involve accounting numbers. Usually, characteristics have been identified from data analysis, resulting in a proliferation of characteristics. A 2013 survey of published papers and working papers found 186 predictors — a number that the authors said likely under represents the total.
Fraud occurs when there is an incentive and the opportunity to commit fraud and the fraudster can rationalize his behavior. Academic literature in financial economics has investigated incentives and opportunities to commit fraud but has largely ignored the fraudsters' ability to rationalize fraud. We address this gap by positing that economic actors, whose earnings are restricted by regulations, cheat more and rationalize such behavior as an effort to get "out of the hole" that regulations have forced them into.
The current research integrates perspectives on gendered race and person-position fit to introduce the concept of a <em>gender profile</em>. We propose that both the "gender" of a person's biological sex and the "gender" of a person's race (Asians are perceived as feminine and Blacks as masculine) help comprise an individual's gender profile — the overall femininity or masculinity associated with their demographic characteristics. We also propose that occupational positions have gender profiles.
We develop and test hypotheses regarding the role of social contagion in customer adoption of new sales channels. We examine two aspects of social contagion (local contagion and homophily) and two channels (Internet and bricks-and-mortar store). Drawing on diffusion theory, we propose a conceptual framework that identifies the factors associated with new channel adoption.
We do business in a results-oriented world. Our focus on growth is laudable for its clarity, but one of its downsides is that firms can lose sight of the process: how business gets done and the individuals or employees through whom results are achieved. This leads to compromised decisions and unethical behavior. It is not just what we accomplish that matters but also how we accomplish it.
We propose an extension of standard asymmetric volatility models in the generalized autoregressive conditional heteroskedasticity (GARCH) class that admits conditional non-Gaussianities in a tractable fashion. Our "bad environment-good environment" (BEGE) model utilizes two gamma-distributed shocks and generates a conditional shock distribution with time-varying heteroskedasticity, skewness, and kurtosis. The BEGE model features nontrivial news impact curves and closed-form solutions for higher-order moments.