The Phillips Curve Is a Relationship in Macroeconomics Between the Inflation

Essay

The Phillips curve is a relationship in macroeconomics between the inflation rate (inf)
and the unemployment rate (ur).Estimating the Phillips curve using quarterly data for
the United States from 1962:I to 1995:IV, you find $\widehat { \operatorname { Inf } _ { t } } = 4.08 + 0.118 u r _ { t } , R ^ { 2 } = 0.003 , \text { SER } = 3.148$
$(1.11)(0.176)$ (a)Explain why, at first glance, this is a surprising result.