America’s cities have a problem: There isn’t enough affordably priced housing to go around. Today, city leaders and home-seekers alike are frequently left wondering why builders won’t simply build more housing that is affordable to a wider range of incomes, particularly middle- and lower- income households. For starters, the math doesn’t work. Private developers face an insurmountable gap between the cost of producing new housing and the amount that American households can afford to pay to buy or rent.
Source: Cities Speak