Simply search for “restaurants”, “fast food,” etc. to find reports to get a broad understanding of the industry.
Search for Fast Food to find relevant reports that may offer another perspective on the industry.
Below are a few trade sites and organizations that provide useful information on the QSR industry. I will add to the list as I discover additional useful links. Note that these links goe to the free websites. We do not subscribe so some reports may be behind a paywall.