Determine how often companies interact in the market.

Evaluate the closeness of competition and bidding behavior.

Help attorneys understand how competition works.

Develop theories of harm.

Assess efficiency arguments.

Demonstrate that data and conclusions are supported by accepted economic methods.

Explain economic analysis in simple terms when presenting to DOJ lawyers and include the source of the information.

Be candid and credible. Do not try to trick the DOJ.

Give the DOJ the information and time it needs to test and verify presented economic work.

Use charts and pictures instead of text slides.

Be wary of using unusual or customized market analysis methods.

Do not pick and choose data from market analysis that may seem statistically significant but was not objectively arrived upon.

Do not substitute economic analysis for other evidence in a case, such as product characteristics, distinct customers, and industry opinion. Judges are more likely to be influenced by non-economic evidence and will look to that evidence if there is a battle of the experts.