rate of output. If in the US, if the combined effects of the inputs is 4.1%, and US output is growing at 7.4%, Calculate MFP. explain how it arises, define its importance, and provide a policy to raise it.rate of output. If in the US, if the combined effects of the inputs is 4.1%, and US output is growing at 7.4%, Calculate MFP. explain how it arises, define its importance, and provide a policy to raise it