Changes to government rules and regulations can negatively affect P.F. Chang's Bistro… … "Govt Regulations (P.F. Chang's Bistro)" will have a long-term negative impact on this entity, which subtracts from the entity's value. "Govt Regulations (P.F. Chang's Bistro)" is a difficult qualitative factor to overcome, so the investment will have to spend a lot of time trying to overcome this issue.