我认为经济学家是对的。20世纪70年代后期名义利率低于预期通货膨胀率，

I think the economists are right. In the late 1970s nominal interest rates were lower than expected inflation and real interest rates were negative. <br>In the mid-1980s, expected inflation fell much faster than nominal interest rates, when nominal interest rates were higher than expected inflation rates and real interest rates turned positive.

I think economists are right. In the late 1970s, the nominal interest rate was lower than the expected inflation rate, and the real interest rate was negative.<br>In the mid-1980s, the expected inflation rate fell much faster than the nominal interest rate. At this time, the nominal interest rate was higher than the expected inflation rate, and the real interest rate became positive.

I think the economist is right. In the late 1970s, the nominal interest rate was lower than the expected inflation rate, and the real interest rate was negative. In the mid-1980s, the expected inflation rate dropped much faster than the nominal interest rate. At this time, the nominal interest rate was higher than the expected inflation rate, and the real interest rate became positive.