right now on monday, as we look at sport -- the sport of economics is led by michael spence from stanfordrsity. professor spence, thrilled to have you with us. we see a white house looking for wage lift and one of the great thinkings, including what we saw from jamie dimon's letter was the ability to get wage growth in america. how do you get wage growth given technology and how you get wage growth given the concentration of wages like amazon and others? prof. spence: it is a complicated challenge. there are a number of things that are important. the tax system that is affect income. second, you need to strengthen the institution that supports unions and change the bargaining power. that is especially part and when you have buying power. third, you have to deal with the skills challenge that we face. wages will reflect the value of various labor in the marketplace regardless of these changes and bargaining power. we know that as our economy transforms digitally, we need a new set of skills, institutions, public and private, that help us. tom: professor, your wonderful book, what is the ne