We apply financial and economic analysis to issues that arise in the changing bodog app download and commodities markets, including those related to allegations of market manipulation and price fixing, breach of contract, merger reviews, trading disputes, asset valuation, and environmental impact.

Our extensive network includes top experts from academia and industry.

Our extensive network includes top experts from academia and industry.

James A. Overdahl

Former Chief Economist,
Former Director, Office of bodog app download Analysis,
Securities and Exchange Commission;
Former Chief Economist,
Commodity Futures Trading Commission

James Overdahl is an authority on financial and commodities markets, financial regulation, and securities. His areas of expertise include exchange-traded futures and options, over-the-counter (OTC) derivatives, algorithmic trading, risk management, and short selling.

Dr. Overdahl has testified in complex securities litigation, including matters involving alleged insider trading, market manipulation, and false reporting. He has analyzed class certification, loss causation, and damages in numerous securities class actions. In addition, Dr. Overdahl has significant experience assessing price and volume integrity issues bodog app download context of cryptocurrency exchanges.

For more than three decades, Dr. Overdahl served at U.S. regulatory agencies, including the Securities and Exchange Commission (SEC), the Commodity Futures Trading Commission (CFTC), and the Office bodog app download Comptroller bodog app download Currency (OCC).

As chief economist and director bodog app download Office of Economic Analysis at the SEC, Dr. Overdahl oversaw the Commission’s economic analysis in all areas of policy, rulemaking, and enforcement. He advised on policy and rulemaking related to credit default swaps (CDS) and other OTC derivatives, OTC clearing, algorithmic trading, and securities lending.

Dr. Overdahl has testified before Congress on behalf bodog app download SEC and CFTC. Since leaving government service, he has worked as a consulting expert and appeared before the staff of these agencies on numerous matters.

Widely published, Dr. Overdahl has contributed articles to leading bodog app download and finance journals, including the Journal of Business, the Journal of Law and bodog app download, bodog app download Journal of Financial and Quantitative Analysis. bodog app download is the coauthor of several books on financial derivatives and futures markets, all of which have been reprinted in multiple editions.

Dr. Overdahl has served as an adjunct bodog app download of finance at the George Washington University, the University of Maryland, Johns Hopkins University, Georgetown University, Virginia Tech, and George Mason University.

Our extensive network includes top experts from academia and industry.

Ashley Langer

Associate bodog app download of Economics,
Eller College of Management,
bodog app download Arizona

Ashley Langer is an econometrics, bodog app download, and industrial organization expert. Professor Langer applies sophisticated empirical methods to study regulation, competition, and firm and consumer behavior. She analyzes a range of economic issues, including those involving bodog app download markets, transportation, and the environment. Professor Langer has testified on issues related to class certification and economic damages, including in such high-profile class actions as Guzman et al. v. Polaris Inc. et al and Garcia et al. v. Volkswagen group bodog sports betting.

bodog app download Langer has analyzed consumer decisions, including those related to the automotive and oil industries. She has evaluated decisions on which vehicles to drive, how preferences form, when and where to purchase fuel, and whether to adopt electric vehicles. She has also investigated the impact of consumer demographic group preferences on vehicle pricing.

In her recent research, Professor Langer has assessed bodog app download and environmental policy design issues. For example, she has analyzed international oil markets and the factors that influence pricing, as well as how Clean Air Act regulatory enforcement affects pollution levels and firms’ investment decisions. Further, she has studied the impact of bodog app download policy on durable goods such as automobiles and residential solar. In particular, Professor Langer has examined how households respond to solar subsidies that change over time, how uncertainty surrounding policy enforcement affects coal power plant retirement and upgrade decisions, and how taxing vehicle mileage (rather than fuel consumption) changes Highway Trust Fund revenues. Her earlier work includes assessing the effect of congestion tolling on urban land use.

bodog app download Langer’s research has been published in leading academic journals, including the American bodog app download Review, the Journal of Public bodog app download, bodog app download Review of bodog app download and Statistics. She is a bodog app download associate at the National Bureau of Economic bodog app download (NBER). Lexology Index (formerly Who’s Who Legal or WWL) has named bodog app download Langer a Future Leader among experts in the global competition field.

At the University of Arizona, Professor Langer teaches courses in business strategy, empirical research methods, environmental economics, bodog app download and environmental policy, and government regulation. She has been honored with several teaching and advising awards. In addition, Professor Langer presents on industrial organization and empirical research methods, as well as transportation, bodog app download, and environmental topics, at professional conferences and universities in the United States and internationally.

Professor Langer previously taught at the Ford School of Public Policy at the University of Michigan. She was a visiting scholar at Columbia Business School and the bodog app download Policy Institute of Chicago, University of Chicago.

Our extensive network includes top experts from academia and industry.

Daniel Sumner

Frank H. Buck Jr. Distinguished bodog app download of Agricultural and Resource Economics,
Chair, California Agricultural bodog app download Lab,
bodog app download California, Davis

Daniel Sumner is an expert in national and international competition in agricultural markets as well as agricultural economics and policy. His research and writing focus on the consequences of farm and trade policy for agriculture and the economy. bodog app download Sumner has analyzed markets for beef, dairy, wine, olive oil, rice, wheat, cotton, and many other agricultural products.

He has testified in numerous matters involving agriculture, including cases related to antitrust, false advertising, class certification, and cross-border trade. bodog app download Sumner has experience as an expert witness in depositions and trials in state and federal courts in the United States, with regulatory agencies, and before the U.S. International Trade Commission, the Canadian International Trade Tribunal, and dispute settlement panels and the Appellate Body of the World Trade Organization.

As chair of the California Agricultural Issues Lab, bodog app download Sumner oversees and conducts a university outreach program related to public issues concerning agriculture. Prior to his current positions, bodog app download Sumner was the assistant secretary for economics at the United States Department of Agriculture, where he was involved in policy formulation and analysis on the whole range of topics facing agriculture and rural America, from food and farm programs to trade, resources, and rural development. In his role as supervisor of the Department of Agriculture’s economics and statistics agencies, bodog app download Sumner was also responsible for data collection, outlook, and economic research. He has also served as a senior economist for the President’s Council of Economic Advisers.

bodog app download Sumner is the author or coauthor of more than one hundred academic publications, including articles in the Journal of Political Economy, Agricultural bodog app download, bodog app download Journal of Agricultural and Resource bodog app download. bodog app download has also coauthored and contributed to a number of books and has written widely for industry outlets.

Our extensive network includes top experts from academia and industry.

Gautam Gowrisankaran

bodog app download of Economics,
Columbia bodog app download;
Senior Advisor, Cornerstone bodog app download

Gautam Gowrisankaran is an expert in industrial organization, healthcare economics, and bodog app download and environmental economics. Professor Gowrisankaran has analyzed issues of market definition and market power, the competitive effects of mergers, and claims of attempted monopolization. He has also addressed allegations of tying, foreclosure, and other exclusionary practices arising in such industries as healthcare, consumer goods, high-tech products, payment services, and transportation.

An experienced expert witness, bodog app download Gowrisankaran has been retained by federal and state agencies as well as by private clients in numerous high-profile mergers, antitrust litigation matters, and consumer class actions. His trial testimony includes United States of America et al. v. JetBlue Airways Corporation and Spirit Airlines Inc.United States et al. v. UnitedHealth Group Inc. and Change Healthcare Inc.Sidibe v. Sutter HealthIn re: Purdue Pharma L.P. et al.; and Federal Trade Commission v. Hackensack Meridian Health Inc. and Englewood Healthcare Foundation. He has consulted to the Federal Trade Commission (FTC) on retail and technology issues and the Antitrust Division of the Department of Justice (DOJ) on airline matters and mergers bodog app download healthcare space.

In his research, Professor Gowrisankaran conducts both theoretical and empirical studies of topics related to industrial organization and competition. He has particular expertise in industries that are highly regulated and exhibit rapid technological change, such as healthcare and bodog app download, as well as markets in which prices are negotiated.

One focus of Professor Gowrisankaran’s recent research is bodog app download, including renewable bodog app download integration, electricity regulation in the presence of bodog app download transitions, and enforcement of environmental laws. He has also analyzed a variety of issues in healthcare markets, such as hospital competition, the impact of countervailing health insurer market power, and the price impact of hospital mergers.

A prolific author, bodog app download Gowrisankaran has published research in leading economics journals, including the American bodog app download ReviewEconometrica, bodog app download Journal of Political Economy. bodog app download has served on the editorial boards of several academic journals, including the American bodog app download Review bodog app download RAND Journal of bodog app download. In addition, bodog app download Gowrisankaran has written analyses for a legal audience, including in the Antitrust Law Journal. bodog app download has been honored with best paper awards and recognized by Who’s Who Legal as a leading competition economist.

Global Competition Review recognized bodog app download Gowrisankaran in its inaugural list of the world’s most important antitrust academics. bodog app download was also honored in Lexology’s 2022 Client Choice list.

Prior to joining the faculty at Columbia, bodog app download Gowrisankaran was a tenured bodog app download of economics and the Peter and Nancy Salter Chair in Healthcare Management at the University of Arizona. He has held visiting academic appointments at Northwestern University, the University of Chicago, Yale University, and Harvard University, among others.

bodog app download Gowrisankaran serves on the U.S. Congressional Budget Office Health Advisory Panel. He is a research associate at the National Bureau of Economic Research (NBER) and a research fellow at the Center for Economic and Policy Research (CEPR).

bodog app download and Commodities Capabilities

Cornerstone Research has been involved in many high-profile bodog app download and commodity market manipulation investigations. The combined experience of our staff and experts in bodog app download markets, antitrust, and finance brings a multidisciplinary approach to the evaluation of market manipulation allegations.

Cornerstone bodog app download has extensive experience in handling Commodity Exchange Act (CEA) disputes, enforcement, and commercial litigation. Our team delivers rigorous economic analysis and expert testimony to support clients in regulatory investigations, enforcement actions, and litigation. Through close collaboration with clients, including outside counsel, government agencies, and in-house counsel, we develop targeted economic arguments and strategies that address our clients’ unique needs, whether in regulatory proceedings, civil or criminal litigation, or internal investigations.

Our consultants have analyzed the effects of mergers, price-fixing allegations, and other potentially anticompetitive behavior in the bodog app download industry. Such analysis typically requires applying the sophisticated techniques common in antitrust cases.

We have worked on litigation involving a variety of agricultural commodities, including grains, ethanol, dairy, tobacco, high-fructose corn syrup, and meatpacking. This includes extensive experience bodog app download delivery procedures on physically delivered futures contracts involving shipping certificates and warehouse receipts. In these agricultural matters, we have analyzed antitrust issues, market manipulation, breach of contract claims, and mergers.

Analysis of bodog app download issues and expert testimony on punitive damages form the basis of our work on environmental impact cases. These include litigation involving groundwater contamination, seafood poaching, and product liability.

Building on extensive experience in financial valuation, Cornerstone Research utilizes the financial asset attributes of commodities to develop valuation techniques for bodog app download commodities, assets, liabilities, and risks, and to determine the implications of bodog app download market dynamics for the valuation of firms participating in the industry.

We have applied industry expertise to numerous contract disputes involving bodog app download and commodities. The issues involved in these matters include contract pricing provisions, regulatory impact, insurance coverage, and valuation of derivative contracts.

Cornerstone Research has worked on liability and damages issues in high-profile accounting cases in the bodog app download industry. We address cases with a combination of economic analysis, understanding of industry dynamics, and knowledge of accounting principles.

Featured Cases

Featured Publications

17 July 2024

Price Differences within Retail Gasoline Markets

The authors review pricing strategies for fueling stations and examine related price differentials within gasoline markets.

16 July 2024

Characteristics of U.S. Natural Gas Transactions

Cornerstone bodog app download compiles an annual report based on data from FERC Form 552 submissions. By supplementing the data with proprietary classificat...

16 July 2024

Characteristics of U.S. Natural Gas Transactions: Insights from FERC Form 552 Submissions as of July 17, 2023

Our latest report found that marketed production of natural gas reached record highs bodog app download United States in 2022 as the U.S. became one of the lea...

19 December 2023

Q A with Joanna Tsai

WWL interviewed Joanna Tsai of Cornerstone bodog app download about working at the FTC, the evolution of merger analysis, and her advice for aspiring competi...

18 August 2023

Counterfactual Models: A Key Tool in bodog app download Price Disputes

This article discuss methodological considerations in selecting an appropriate model to estimate counterfactual prices in bodog app download markets.

10 June 2022

From Zero to 100: Crude Oil Price Changes in 2020–2022

This article provides analysis bodog app download market microstructure implications of oil futures and spot prices for market participants.

26 October 2021

Characteristics of U.S. Natural Gas Transactions: FERC Form 552 Submissions as of July 2021

Marketed production of natural gas decreased slightly bodog app download United States in 2020 but remained near the previous year’s record-high levels.

24 February 2021

The Legal and bodog app download Implications from Recent UK Spoofing Cases

The authors discuss the FCA’s increased enforcement focus on spoofing cases.

22 September 2020

Cross-bodog app download Under the Microscope

The authors discuss illustrative cross-market manipulation enforcement cases and their implications for market participants bodog app download EU, UK and US.

3 June 2020

Financial Strategies for Oil and Gas Cos. During the Slump

The authors discuss how the oil price decline due to COVID-19 could lead to changes bodog app download oil and gas industry in this Law360 article.

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