When baby boomers were buying their first homes in the 1970s and 1980s, it wasn’t unusual to take on a double-digit interest rate on a 30-year mortgage. And yet, buying a home still felt within reach for many. Today, rates are lower but home values have skyrocketed. New research shows that the gap between income and home prices has grown at an astounding rate in the last 50 years, creating an affordability crisis for younger generations.