l

α0

 α1

R(0.2)

R(0.4)  

 R(0.7)  

 0.5

 1.10

 1.72

 1.09

 1.06

 1.20

1

 1.10

 1.64

 1.05

 1.06

 1.20

2

 1.10

 1.59

 1.03

 1.06

 1.20

Table 1: Asymptotic efficiency of OLS relative to HT (with 8 categories).