In one case study, the report found that in one zip code in the Mission, 52% of Airbnb guests visited the Mission, while just 17% of hotel guests visited the same area.

FORBES: Airbnb Had $56 Million Impact On San Francisco: Study

The White House released the following report to illustrate, using Maryland as a case study example, the impact investing in infrastructure will have on our nation.

WHITEHOUSE: THE WHITE HOUSE

For the third study, the committee found negligence relating to informed consent, preservation of case report forms, and data collection.

FORBES: JACC Issues Notice of Concern Over Three Poldermans Papers

And the police force, as a report by McKinsey, a consultancy, has found, is a case-study in poor management.

ECONOMIST: South Africa

First, it is a retrospective case-control study and is therefore susceptible to reporting bias, meaning that people with ALS may report their coffee consumption differently from controls.

FORBES: Does Coffee Drinking Really Protect Against Devastating Diseases?