Moshe Vardi gave a talk on this idea recently as it applies to the COVID-19 crisis. His word for slack is "resilience" but it's the same concept. He quotes Will

Moshe Vardi gave a talk on this idea recently as it applies to the COVID-19 crisis. His word for slack is "resilience" but it's the same concept. He quotes William Galston: "Efficiency comes through optimal adaptation to an existing environment, while resilience requires the capacity to adapt to disruptive changes in the environment." You cannot maximize one without sacrificing the other. https://learning.acm.org/techtalks/covid https://learning.acm.org/techtalks/covid