From $1927$ to $2018$ the world stock portfolio offered $\_\_\_\_\_\_\_\_\_\_$ return and $\_\_\_\_\_\_\_\_\_\_$ volatility than the portfolio of large U$.$S$.$ stocks.

From $1927$ to $2018$ the world stock portfolio offered $\_\_\_\_\_\_\_\_\_\_$ return and $\_\_\_\_\_\_\_\_\_\_$ volatility than the portfolio of large U$.$S$.$ stocks.

lower; lower

higher; lower

lower; higher

higher; higher