[3] Hamermesh has received numerous grants from the National Science Foundation, other federal agencies, and private foundations, and has served on many panels of the United States National Academy of Sciences.
[citation needed] He has lectured at over 300 universities, in 49 states (missing Alaska) and the District of Columbia and in 37 foreign countries on 6 continents (missing Antarctica), and has co-authored with 80 economists, including in 17 foreign countries.
Hamermesh has published over 100 refereed articles in the major journals of economics.
A number of his papers have offered advice to younger and other scholars on etiquette in the economics profession.
After the University of Texas allowed concealed firearms in classrooms, Hamermesh resigned due to safety concerns, saying that he believed the law has increased the chance of injury or death to him or others in the classroom from the impulsive action of a disgruntled student.