Honest error in the face of complex and possibly intractable problems is a far more important source of bad results than are bad motives.
Neighborhoods and communities are complex organisms that will be resilient only if they are healthy along a number of interrelated dimensions, much as a human body cannot be healthy without adequate air, water, rest, and food.
The financial crisis that began in the summer of 2007 was an extraordinarily complex event with multiple causes.
Economic management involves the operation of economic frameworks in real time - for example, in the private sector, the management of complex financial institutions or, in the public sector, the day-to-day supervision of those institutions.