and there's a lot that could be done to help, you know, our productivity gains have been very aanemia bicin the last few -- anemic in the last few years. so there's a lot of, there's a lot of things that could be done to make our economy more vibrant, more sure. >> host: what are the two or three things -- i said i only had two more questions. i have more than that. what are the most important things we can do about wealth inequality? union representation? that may be my bias, but it's clear with the deline of uni-- decline of unions we've seen issues of globalization, issues of work force training -- >> guest: well, it's, i just first want to caution that this is a very long-term trend. federal reserve is sometimes accused of exacerbating inequality, i don't think that's true. i think these are long-term trends associatessed with globalization, technical change, a whole variety of things, and it's not going to be easy to reverse that, you know, that oil tanker. i guess the two main tools that we have, and they're not completely satisfactory, are tax and transfer policy, making calls abou