An analysis of the ability of employers to provide care and attention as a way to motivate their employees is done. Workers not only compare their wages, as pointed out in previous literature, but also compare the socio-emotional resources provided by their employer. This provides important...

A literature search shows that robust regression techniques are rarely used in applied econometrics. We present a technique based on Rousseeuw and Van Zomeren [Journal of the American Statistical Association, 85 (1990) 633–639] that removes many of the difficulties in applying such techniques...